CN118042348A - Audio processing method, device, audio playing equipment and storage medium - Google Patents

Audio processing method, device, audio playing equipment and storage medium Download PDF

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Publication number
CN118042348A
CN118042348A CN202211413927.9A CN202211413927A CN118042348A CN 118042348 A CN118042348 A CN 118042348A CN 202211413927 A CN202211413927 A CN 202211413927A CN 118042348 A CN118042348 A CN 118042348A
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China
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parameter
sound
parameters
volume
audio
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练添富
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202211413927.9A priority Critical patent/CN118042348A/en
Priority to PCT/CN2023/115565 priority patent/WO2024098895A1/en
Publication of CN118042348A publication Critical patent/CN118042348A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The embodiment of the application discloses an audio processing method, an audio processing device, audio playing equipment and a storage medium. The method comprises the following steps: acquiring acoustic parameters of environmental sound; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjustment parameter. The method realizes the configuration of the output volume of the audio playing device according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the method also refers to the intensity of the sound signal currently played by the audio playing device to configure the output volume of the audio playing device, so that the user can better hear the sound under different environmental sound intensities, and further the user experience is improved.

Description

Audio processing method, device, audio playing equipment and storage medium
Technical Field
The present application relates to the field of audio playing technologies, and in particular, to an audio processing method, an apparatus, an audio playing device, and a storage medium.
Background
The environmental noise is a complex variation when the user uses the headset, for example walking in an office, subway or street, and the user is disturbed by the external environmental noise to a different extent when wearing the headset to listen to music/talk. In order to enhance the user experience, more and more headphones are configured with a sound adjusting function to reduce the influence of external environmental noise on the listening of the headphones, however, the existing sound adjusting mode needs to be improved.
Disclosure of Invention
In view of the above, the present application proposes an audio processing method, apparatus, audio playback device, and storage medium to improve the above.
In a first aspect, an embodiment of the present application provides an audio processing method, applied to an audio playing device, where the method includes: acquiring acoustic parameters of environmental sound; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter.
In a second aspect, an embodiment of the present application provides an audio processing method, applied to an audio playing device, where the method includes: acquiring acoustic parameters of environmental sound; and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
In a third aspect, an embodiment of the present application provides an audio processing apparatus, which operates on an audio playing device, where the apparatus includes: the acoustic parameter acquisition module is used for acquiring acoustic parameters of the environmental sound; the volume parameter acquisition module is used for acquiring output volume parameters of the audio playing equipment, wherein the output volume parameters are used for representing the intensity of a sound signal currently played by the audio playing equipment; the adjusting parameter acquisition module is used for determining a volume adjusting parameter based on the acoustic parameter of the environmental sound and the output volume parameter; and the audio processing module is used for configuring the output volume of the audio playing device according to the volume adjusting parameter.
In a fourth aspect, an embodiment of the present application provides an audio processing apparatus, which operates on an audio playing device, where the apparatus includes: an acoustic parameter acquisition unit configured to acquire acoustic parameters of ambient sound; and the audio processing unit is used for configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound.
In a fifth aspect, the present application provides an audio playback device comprising one or more processors and a memory; one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of the first or second aspect described above.
In a sixth aspect, the present application provides a computer readable storage medium having program code stored therein, wherein the method of the first or second aspect is performed when the program code is run.
The application provides an audio processing method, an audio processing device, audio playing equipment and a storage medium, wherein acoustic parameters of ambient sound are obtained; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the configuration of the output volume of the audio playing device according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device is realized, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the configuration of the output volume of the audio playing device according to the intensity of the sound signal currently played by the audio playing device is also referred to, so that the user can better hear the sound under different environmental sound intensities, and further the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for audio processing according to an embodiment of the present application.
Fig. 2 is a flow chart of a method for audio processing according to another embodiment of the present application.
Fig. 3 shows a method flow chart of an audio processing method according to another embodiment of the application.
Fig. 4 is a flowchart of a method for audio processing according to still another embodiment of the present application.
Fig. 5 shows a method flowchart of an audio processing method according to still another embodiment of the present application.
Fig. 6 is a signal processing block diagram of an embodiment of the present application for configuring output volume of an audio playback device according to volume adjustment parameters and configuring sound effect parameters of the audio playback device according to acoustic parameters of ambient sound.
Fig. 7 is a flowchart of a method for audio processing according to still another embodiment of the present application.
Fig. 8 is a flowchart of a method for audio processing according to still another embodiment of the present application.
Fig. 9 shows a schematic diagram of a masking effect provided by an embodiment of the present application.
Fig. 10 is a flowchart of a method for audio processing according to still another embodiment of the present application.
FIG. 11 shows an exemplary diagram of the type of ambient sound provided by an embodiment of the present application.
Fig. 12 shows an exemplary diagram of a filter frequency response curve corresponding to an ambient sound characteristic parameter provided by an embodiment of the present application.
Fig. 13 is a flowchart of a method for audio processing according to still another embodiment of the present application.
Fig. 14 is a block diagram showing an audio processing apparatus according to an embodiment of the present application.
Fig. 15 shows a block diagram of an audio processing apparatus according to an embodiment of the present application.
Fig. 16 shows a block diagram of an audio playback apparatus for performing an audio processing method according to an embodiment of the present application.
Fig. 17 is a memory unit for storing or carrying program codes for implementing an audio processing method according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order to enhance the user experience, more and more TWS (True Wireless Stereo ) headphones are configured with an adaptive volume control function, for example, the output volume of the headphones is adaptively adjusted according to the noise intensity of the environment in which the headphones are located, however, when the user uses the headphones, the external environmental noise is complex to change, for example, walking on an office, a subway or a street, and the user is interfered by the external environmental noise to different degrees when wearing the headphones to listen to music/talk, so that the above adjustment scheme still may cause the user to be unable to hear clearly, and the user experience needs to be improved.
In order to optimize the problems, the inventor provides the audio processing method, the device, the audio playing device and the storage medium provided by the embodiment of the application through long-term research, and the method is applied to the audio playing device, and can realize that the output volume of the audio playing device is configured according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device.
The audio playing device in the embodiment of the application may be a headset, and the specific type of the headset may not be limited, for example, the audio playing device may be a TWS headset, and the TWS may have an ANC (Active Noise Cancellation ) function. In at least one embodiment, the earphone in the embodiment of the present application may include an external microphone, an internal microphone, a speaker, a digital audio signal processing chip, a memory, a power supply, and the like. The audio playing device may be in communication connection with a mobile terminal (the mobile terminal may be a mobile communication device such as a mobile phone, a computer, a tablet, or the like, and specifically may not be limited thereto), and in at least one embodiment, the audio playing device may establish communication connection with the mobile terminal through a short-range wireless communication manner (for example, technologies such as bluetooth and WiFi, zigBee, NFC), or may establish communication connection with the mobile terminal through a wired manner, where the audio playing device may perform data interaction with the mobile terminal when the audio playing device establishes communication connection with the mobile terminal.
The audio playing device in the embodiment of the application can also be a mobile phone, and the specific type of the mobile phone is not limited.
The embodiment of the application is illustrated by taking the audio playing device as an earphone.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
step S110: acoustic parameters of ambient sound are acquired.
The environmental sounds characterize various sounds of the environment surrounding the audio playback device, for example, the environmental sounds may include sounds of the surrounding user speaking, whistling of an automobile, and sounds of an animal, etc. when the audio playback device is in use. The ambient sound varies with the environment in which the audio playback device is used.
The acoustic parameters of the ambient sound characterize the acoustic characteristics of the various sound signals of the environment surrounding the audio playback device.
Step S120: and acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device.
In the embodiment of the application, the output volume parameter of the audio playing device can be understood as the intensity of the sound signal being played by the audio playing device.
In at least one embodiment, the sound signal being played by the audio playback device may comprise a music audio signal in the case of audio playback by the audio playback device. For example, the sound signal being played by the audio playback device may include music signals such as ballad, dance music, light music, and the like.
In at least one embodiment, the sound signal being played by the audio playback device may include a voice audio signal in the event that the audio playback device is engaged in a conversation.
Step S130: a volume adjustment parameter is determined based on the acoustic parameter of the ambient sound and the output volume parameter.
The intensity of the sound signal being played by the audio playing device may be further understood as the current playing volume of the audio playing device, and as a way, the volume adjustment parameter may be determined based on the acoustic parameter of the ambient sound and the current playing volume of the audio playing device, so that the subsequent playing volume (for example, the next playing volume) of the audio playing device may be adjusted according to the volume adjustment parameter.
As an embodiment, there may be a correspondence between the acoustic parameter of the ambient sound and the output volume parameter, which may be obtained by calculation or may be obtained by configuration of an empirical value, which is not limited herein, and in this manner, a volume adjustment parameter corresponding to the acoustic parameter of the ambient sound and the output volume parameter may be obtained from preset correspondence information.
Step S140: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
In configuring the output volume of the audio playback device according to the volume adjustment parameter, the output volume of the audio playback device may be adjusted from the first output volume to the second output volume based on the volume adjustment parameter.
The first output volume may be understood as a current playing volume of the audio playing device, and the second output volume may be understood as a playing volume of the audio playing device at a next time (may be a period or a moment), where the audio playing device will play audio at the next time according to the second output volume.
In at least one embodiment, the first output volume may be greater than the second output volume, the first output volume may be less than the second output volume, or the first output volume may be equal to the second output volume, and the specific value of the first output volume and the specific value of the second output volume may not be limited.
In at least one embodiment, in the case that the audio playing device is a mobile phone, the volume adjustment parameter may be determined by calculating by the mobile phone, and then the output volume of the mobile phone is configured according to the volume adjustment parameter.
According to the audio processing method provided by the application, acoustic parameters of ambient sound are obtained; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the configuration of the output volume of the audio playing device according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device is realized, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the configuration of the output volume of the audio playing device according to the intensity of the sound signal currently played by the audio playing device is also referred to, so that the user can better hear the sound under different environmental sound intensities, and further the user experience is improved.
Referring to fig. 2, another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
step S210: an acoustic parameter of ambient sound is acquired, the acoustic parameter of ambient sound comprising an ambient sound intensity parameter.
In at least one embodiment, the acoustic parameters of the ambient sound may include ambient sound intensity parameters that characterize the intensity of various sound signals in the environment (which may be understood as the environment surrounding the audio playback device). The types of the sound signals are different, and the corresponding environmental sound intensity parameters are different. In an embodiment of the present application, the number of ambient sound intensity parameters is a plurality.
As one way, the intensity characteristics of various sound signals of the surrounding environment of the audio playback device may be obtained, and the ambient sound intensity parameter may be obtained according to the intensity characteristics.
Step S220: and acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device, and the output volume parameter comprises a volume configuration parameter of the audio playing device.
The volume configuration parameter is the current configured output volume of the audio playing device, which can be understood as the current output volume obtained from the pre-configured output volume, the value of the volume configuration parameter includes a range, the audio playing device can play the sound signal by using any value in the range, and the specific value of the volume configuration parameter can not be limited. The volume configuration parameters may be stored as a configuration file.
As one way, a certain value within the above range may be configured as a default volume configuration parameter, which may be understood as the optimal listening volume for the human ear, where the default volume configuration parameter includes a default identifier (the specific form of the identifier and the content may not be limited), and the audio playing device may currently play various types of sound signals with the default volume configuration parameter. In this way, the volume configuration parameters of the audio playback device may be obtained by identifying the value in the configuration file that corresponds to the default identification.
If the user has other listening demands, the current playing volume of the audio playing device can be adjusted (including turning up or turning down) from the default volume configuration parameters to other volume configuration parameters, and the adjusted volume configuration parameters fall in the range of the volume configuration parameters. In this way, the adjusted volume configuration parameter may be acquired as the output volume parameter of the audio playback apparatus in response to the adjustment operation by the user.
In at least one embodiment, the volume configuration parameters corresponding to different types of sound signals may be the same default value. For example, the audio playing device plays the sound signal a with the volume configuration parameter a, and the audio playing device plays the sound signal B with the volume configuration parameter a, where the sound signal a and the sound signal B are different types of sound signals.
In at least one embodiment, the volume configuration parameters corresponding to different types of sound signals may be different default values. For example, the audio playing device plays the sound signal a with the volume configuration parameter a, and the audio playing device plays the sound signal B with the volume configuration parameter B.
Step S230: the volume adjustment parameter is determined based on the ambient sound intensity parameter and the volume configuration parameter.
It can be understood that, as the use environments of the audio playing device are different, the noisy degree of the environmental sound is also different, and the interference degree to the audio playing device is also different, so as to better improve the influence of different environmental sounds on listening, as a way, the volume adjustment parameter can be determined based on the environmental sound intensity parameter and the volume configuration parameter, so that the signal-to-noise ratio of the sound signal played by the audio playing device can be determined by combining the volume configuration parameter, and then the volume adjustment parameter can be determined for adjusting the output volume of the audio playing device at the next time.
In determining the volume adjustment parameter based on the ambient sound intensity parameter and the volume configuration parameter, as one way, the determination of the volume adjustment parameter may be performed by comparing the ambient sound intensity parameter with the volume configuration parameter. For example, in at least one embodiment, if the value of the ambient sound intensity parameter is greater than the first threshold value and the value of the volume configuration parameter is less than the first threshold value, then the second threshold value may be determined as the volume adjustment parameter, in which way the second threshold value is greater than the first threshold value, and the specific value of the first threshold value and the specific value of the second threshold value may be unlimited.
In at least one embodiment, if the value of the environmental sound intensity parameter is greater than the first threshold value and the value of the volume configuration parameter is less than the second threshold value, then the third threshold value may be determined as the volume adjustment parameter, in which way the first threshold value is greater than the third threshold value, the third threshold value is greater than the second threshold value, and the specific value of the first threshold value, the specific value of the second threshold value, and the specific value of the third threshold value may be unlimited.
In at least one embodiment, if the value of the ambient sound intensity parameter is smaller than the first threshold value and the value of the volume configuration parameter is larger than the first threshold value, the second threshold value may be determined as the volume adjustment parameter, in this way, the first threshold value is larger than the second threshold value, and the specific value of the first threshold value and the specific value of the second threshold value may not be limited.
In at least one embodiment, if the value of the environmental sound intensity parameter is smaller than the first threshold value and the value of the volume configuration parameter is larger than the second threshold value, the third threshold value may be determined as the volume adjustment parameter, in this way, the second threshold value is larger than the third threshold value, the third threshold value is larger than the first threshold value, and the specific value of the first threshold value, the specific value of the second threshold value, and the specific value of the third threshold value may be not limited.
As another way, there may be a correspondence between the ambient sound intensity parameter and the volume configuration parameter, in which way the volume adjustment parameter corresponding to the ambient sound intensity parameter and the volume configuration parameter may be obtained from preset correspondence information.
In the case that the audio playing device is a headset, the audio playing device may include a first headset and a second headset, that is, in the case that the audio playing device is a dual headset, the ambient sound intensities around the dual headset are generally different, for example, when the user a uses the dual headset to listen to music, if the user B calls near the headset on one side of the user a, the ambient sound intensities around the headset on both sides of the user a may be different, so as to affect the listening effect of the audio playing device or impair the hearing of the user.
In order to improve the above problem, before determining the volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter (for example, before determining the volume adjustment parameter based on the ambient sound intensity parameter and the volume configuration parameter, or before determining the volume adjustment parameter based on the ambient sound intensity parameter and the audio energy parameter, which is described in the following embodiments), the first earpiece may accept the second ambient sound intensity parameter sent by the second earpiece, the second ambient sound intensity parameter being detected by the second earpiece, and then the first earpiece determines the final ambient sound intensity parameter based on the first ambient sound intensity parameter and the second ambient sound intensity parameter, where the first ambient sound intensity parameter is detected by the first earpiece, and in this way, the volume adjustment parameter may be determined based on the finally determined ambient sound intensity parameter of the first earpiece and the volume configuration parameter described above.
When the first earphone determines the environmental sound intensity parameter according to the first environmental sound intensity parameter and the second environmental sound intensity parameter, an average value of the first environmental sound intensity parameter and the second environmental sound intensity parameter can be calculated, and the average value is used as a final environmental sound intensity parameter.
In at least one embodiment, the first earphone may be a master earphone, and the second earphone may be a slave earphone, where in this manner, the master earphone determines the ambient sound intensity parameter according to the first ambient sound intensity parameter and the second ambient sound intensity parameter, so as to increase the determination speed of the ambient sound intensity parameter.
In at least one embodiment, the first earphone may be a slave earphone, and the second earphone may be a master earphone, in which manner, the slave earphone determines the ambient sound intensity parameter according to the first ambient sound intensity parameter and the second ambient sound intensity parameter, so as to reduce the computing pressure of the master earphone.
In at least one embodiment, the ambient sound loudness parameter may be sent by the side headphones with the greater corresponding ambient sound loudness parameter to the side headphones with the relatively smaller corresponding ambient sound loudness parameter, so that the user may hear more clearly by more adjusting (e.g., turning up) the volume when in a loud ambient sound scene. The noisy environmental sound scene can comprise scenes such as an airport, a subway station, a high-speed rail station and the like.
In at least one embodiment, the ambient sound loudness parameter may be sent by the side headphones with the smaller corresponding ambient sound loudness parameter to the side headphones with the relatively larger corresponding ambient sound loudness parameter, so that the user's hearing may be protected by less adjusting (e.g., turning down) the volume when in a quieter ambient sound scene. The quieter environmental sound scene can comprise a library, a study room, an office and the like.
Step S240: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
The specific implementation of step S240 may refer to the corresponding description of step S140, which is not described herein.
In at least one embodiment, the present application may also adaptively adjust the ANC level (active noise cancellation) according to an ambient sound (e.g., ambient noise) intensity parameter, e.g., adjust the magnitude of the ANC level to be large when the ambient sound intensity parameter is large and adjust the magnitude of the ANC level to be small when the ambient sound intensity parameter is small, so as to balance the ear pressure brought by the ANC.
According to the audio processing method, acoustic parameters of ambient sound are obtained, wherein the acoustic parameters of the ambient sound comprise ambient sound intensity parameters; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device, and the output volume parameter comprises a volume configuration parameter of the audio playing device; determining the volume adjustment parameter based on the ambient sound intensity parameter and the volume configuration parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the configuration of the output volume of the audio playing device according to the environmental sound intensity parameter and the current volume configuration parameter of the audio playing device is realized, and compared with the configuration of the output volume of the audio playing device only depending on environmental sound, the configuration of the output volume of the audio playing device according to the current volume configuration parameter of the audio playing device is also referred to, so that the configuration of the output volume of the audio playing device can be realized more specifically, and a user can better hear sound under different environmental sound intensities, thereby improving user experience.
Referring to fig. 3, a further embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and the method includes:
step S310: an acoustic parameter of the ambient sound is acquired, the acoustic parameter of the ambient sound comprising an ambient sound intensity parameter, the ambient sound intensity parameter comprising an ambient sound intensity level.
The types of sound signals in the surroundings of the audio playback apparatus vary widely, and the intensity of each sound signal varies, and if the sound signal of each type and all the parameters of each type of sound signal are considered in determining the sound volume adjustment parameter based on the acoustic parameter and the output sound volume parameter of the ambient sound, the calculation amount is inevitably increased, and thus the calculation resources are wasted, and in order to optimize this problem, the present embodiment classifies the ambient sound intensity parameter into different ambient sound intensity levels.
As an implementation manner, the environmental sound intensity parameter may be divided into different intensity levels according to the intensity of the sound signal, so as to obtain a plurality of environmental sound intensity levels, where the intensity corresponding to each environmental sound intensity level is in a range, and the specific value of the intensity range corresponding to each environmental sound intensity level may not be limited.
For example, in at least one embodiment, assuming that the ambient sound intensity parameter includes a to k, the ambient sound intensity parameter is divided into an ambient sound intensity level 1, an ambient sound intensity level 2, and an ambient sound intensity level 3 according to intensity levels of the sound signals, the sound signal intensity level corresponding to the ambient sound intensity level 1 may be a to c, the sound signal intensity level corresponding to the ambient sound intensity level 2 may be d to g, and the sound signal intensity level corresponding to the ambient sound intensity level 3 may be h to k, wherein the ambient sound intensity level 3 is greater than the ambient sound intensity level 2, the ambient sound intensity level 2 is greater than the ambient sound intensity level 1, and the corresponding ambient sound is more noisy. In the above embodiment, if the ambient sound is noise, the ambient sound (noise) intensity level 3 may be understood as a heavy noise level (representing a noise level affecting sleep and rest), the ambient sound (noise) intensity level 2 may be understood as a medium noise level (representing a relatively quiet normal noise level), and the ambient sound (noise) intensity level 1 may be understood as a light noise level (representing a noise level not affecting the user's listening).
As an embodiment, the environmental sound intensity parameter may be divided into different intensity levels according to the intensity of the environmental sound type (type), resulting in a plurality of environmental sound intensity levels. For example, the intensity of the booming sound of the vehicles such as an airplane, a subway, a bus, etc. is large and the intensity of the booming sound of the vehicles such as an airplane, a subway, a bus, etc. is close, and the intensity of the booming sound of the scenes such as a street, a road, a canteen, etc. is smaller than the intensity of the booming sound of the vehicles such as an airplane, a subway, a bus, etc., and the intensity of the environment sound of the scenes such as a street, a road, a canteen, etc. is close, and the intensity of the environment sound of the scenes such as a library, a house, an office, etc. is smaller than the intensity of the environment sound of the scenes such as a street, a road, a canteen, etc. is close, and the intensity of the environment sound of the scenes such as a library, a house, an office, etc. is close, and the intensity of the environment sound of the scenes such as a street, a road, a canteen, etc. is classified into one.
As one way, the acoustic parameters of the ambient sound may be acquired in the case where the audio playback device performs audio playback. The audio played by the audio playing device may be music audio described in the foregoing embodiment, or speech audio in the case of talking by the audio playing device described in the foregoing embodiment.
In the case that the audio playing device performs music audio playing, the acoustic parameters of the environmental sound may be acquired when the audio player is detected to be turned on, or the acoustic parameters of the environmental sound may be acquired when the audio playing application is detected to be turned on.
Step S320: the method comprises the steps of obtaining output volume parameters of the audio playing device, wherein the output volume parameters are used for representing the intensity of a sound signal currently played by the audio playing device, the output volume parameters comprise volume configuration parameters of the audio playing device, and the volume configuration parameters comprise volume configuration grades.
It can be understood that, with different product specifications and user requirements, the volume configuration parameters of different audio playing devices may be different, and even the same audio playing device may have numerous volume configuration parameters to meet the adjustment requirement of finer granularity of the user. In at least one embodiment, each volume configuration level may correspond to one or more volume configuration parameters.
The volume configuration level of the audio playing device can be determined according to the output volume configured by the earphone and the digital gain corresponding to each output volume. For example, as shown in table 1 below, the output volumes of headphones configured may be divided into 16 levels, each type of headphones configured output volume corresponding to a digital gain (the digital gain corresponding to each type of headphones configured output volume may be different), and then the volume configuration level of the headphones may be determined according to the divided headphones configured output volumes and the digital gain corresponding thereto.
Table 1 volume configuration level mapping table
As can be seen from table 1, the output volumes of the headphones corresponding to the different volume arrangement levels are different, for example, the output volume of the headphone corresponding to the volume arrangement level u is "0", the output volume of the headphone corresponding to the volume arrangement level a is "1 to 3", the output volume of the headphone corresponding to the volume arrangement level b is "4 to 6", the output volume of the headphone corresponding to the volume arrangement level c is "7 to 11", and the output volume of the headphone corresponding to the volume arrangement level d is "12 to 16". The output volumes configured by the headphones corresponding to the same volume configuration level may be different, for example, the output volumes configured by the headphones corresponding to the volume configuration level a include 1, 2, 3, the output volumes configured by the headphones corresponding to the volume configuration level b include 4,5, 6, the output volumes configured by the headphones corresponding to the volume configuration level c include 7, 8, 9, 10, 11, and the output volumes configured by the headphones corresponding to the volume configuration level d include 12, 13, 14, 15, 16.
Step S330: and acquiring volume adjustment parameters corresponding to the environmental sound intensity level and the volume configuration level from preset corresponding information.
In the case where the environmental sound intensity parameter includes an environmental sound intensity level, the volume adjustment parameter may be determined based on the environmental sound intensity level and the volume configuration level, and as one implementation, the volume adjustment parameter corresponding to the environmental sound intensity level and the volume configuration level may be acquired from preset correspondence information. In a specific application scenario, as shown in the following table 2, a mapping relation adaptation table for determining a volume gain (i.e., a volume adjustment parameter) based on an ambient sound intensity level and a volume configuration level may be constructed in advance, so that the volume gain corresponding to the ambient sound intensity level and the volume configuration level may be quickly searched from the mapping relation adaptation table as the volume adjustment parameter.
Table 2 volume gain adaptation table
If the environmental sound intensity levels are the same and the volume configuration levels are different, the adapted volume gains are different; if the volume configuration level is the same and the ambient sound intensity level is different, then the adapted volume gain is also different.
As shown in table 2, when the ambient sound intensity level is a, if the sound volume configuration level is a, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is α, if the sound volume configuration level is b, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is β, and if the sound volume configuration level is c, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is γ, wherein the values of α, β, and γ are different, i.e., if the ambient sound intensity level is the same and the sound volume configuration level is different, the adapted sound volume gains are different. When the sound volume configuration level is B, if the ambient sound intensity level is a, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is β, if the ambient sound intensity level is B, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is λ, and if the ambient sound intensity level is C, the sound volume gain adapted according to the ambient sound intensity level and the sound volume configuration level is δ, wherein the values of β, λ, and δ are different, i.e., if the sound volume configuration levels are the same and the ambient sound intensity levels are different, the adapted sound volume gains are also different.
In at least one embodiment, the order of the size of each column of letters or characters shown in table 2 may not be limited, e.g., the order of the size of the ambient sound intensity levels A, B, C may be from large to small or from small to large, the order of the size of the volume configuration levels a, b, c, d may be from large to small or from small to large, and the order of the size of the volume gains α, β,..rho, τ may be from large to small or from small to large.
The volume gain is determined by combining the volume configuration level of the earphone, so that the signal to noise ratio of sound in the ear is judged, and the mode of judging the volume gain according to the sound content played by the earphone is more convenient and stable.
Step S340: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
As an embodiment, after the volume gain is determined as the volume adjustment parameter, the current output volume of the audio playing device may be gain processed based on the volume gain, i.e., the output volume of the audio playing device is adjusted from the first output volume to the second output volume based on the volume gain. The audio playing device will play the audio at the next time according to the second output volume.
The value of the volume gain may be a positive number or a negative number, and if the value of the volume gain is a positive number, positive gain processing may be performed on the current output volume of the audio playing device (i.e., the output volume of the audio playing device is increased at the next time relative to the current output volume); if the value of the volume gain is negative, then the current output volume of the audio playing device may be subjected to negative gain processing (i.e., the next time the output volume of the audio playing device is reduced relative to the current output volume).
According to the audio processing method, acoustic parameters of ambient sound are obtained, wherein the acoustic parameters of the ambient sound comprise ambient sound intensity parameters, and the ambient sound intensity parameters comprise ambient sound intensity levels; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device, the output volume parameter comprises a volume configuration parameter of the audio playing device, and the volume configuration parameter comprises a volume configuration grade; acquiring volume adjustment parameters corresponding to the environmental sound intensity level and the volume configuration level from preset corresponding information; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the method and the device can determine the volume adjustment parameters according to the current volume configuration level configured by the earphone and the environmental sound intensity level of the environmental sound, and then configure the output volume of the earphone at the next time according to the volume adjustment parameters, so that the output volume of the earphone can be automatically adjusted, and meanwhile, a user can better listen to the sound under the environments with different noise intensities.
Referring to fig. 4, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S410: an acoustic parameter of ambient sound is acquired, the acoustic parameter of ambient sound comprising an ambient sound intensity parameter.
In an embodiment of the present application, the audio playing device may include an external microphone, in which manner an ambient sound signal may be collected by the microphone, and further, an acoustic parameter of the ambient sound may be obtained based on the ambient sound signal.
Taking an audio playing device as an example of an earphone, the environmental sound signals around the earphone can be collected through an external microphone of the earphone, the collected environmental sound signals are converted into digital signals, acoustic characteristics such as amplitude, intensity or envelope energy characteristics of the environmental sound are calculated according to the digital signals, and then acoustic parameters of the environmental sound are obtained according to the acoustic characteristics.
In the embodiment of the application, if the audio playing device is provided with the microphone, the microphone can be directly multiplexed without increasing the hardware cost additionally.
Step S420: and acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device, and the output volume parameter comprises an audio energy parameter.
In an embodiment of the present application, the output volume parameter of the audio playing device may further include an audio energy parameter of a sound signal played by the audio playing device, where the audio energy parameter characterizes energy of the sound signal played by the audio playing device. In at least one embodiment, the audio energy parameter may comprise time domain energy or frequency domain energy of a sound signal played by the audio playback device.
As one way, a time domain signal or a frequency domain signal of the played sound signal is collected through a microphone of the audio playing device, and then time domain energy or frequency domain energy of the played sound signal is obtained through calculation of the audio playing device, so as to be used for obtaining audio energy parameters of the sound signal played by the audio playing device.
Step S430: the volume adjustment parameter is determined based on the ambient sound intensity parameter and the audio energy parameter.
As one way, the volume adjustment parameter may be determined based on the ambient sound intensity parameter and the audio energy parameter, so that the signal-to-noise ratio of the sound signal played by the audio playing device may be determined in combination with the audio energy parameter, and thus the volume adjustment parameter may be determined for adjusting the output volume of the audio playing device at the next time.
As one way, there may be a correspondence relation between the ambient sound intensity parameter and the audio energy parameter, in which way the volume adjustment parameter corresponding to the ambient sound intensity parameter and the audio energy parameter may be obtained from preset correspondence information.
In at least one embodiment, with respect to the volume configuration parameters of the audio playing device described in the foregoing embodiment, the audio energy parameters of the sound signal played by the audio playing device are parameters for measuring the stability of the sound signal, where the audio energy parameters of the sound signal played by the audio playing device include multiple parameters, where the multiple parameters are unchanged under the condition that the sound signal played by the audio playing device is unchanged, and the volume configuration parameters of the audio playing device are changed within a range, so that by determining the volume adjustment parameters based on the environmental sound intensity parameter and the audio energy parameter, the output volume of the adaptively configured audio playing device can be made more accurate (that is, the volume gain adapted based on the environmental sound intensity parameter and the audio energy parameter is more accurate), so that the output volume configuration effect of the audio playing device can be improved.
Step S440: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
The specific implementation of step S440 may refer to the corresponding description of step S140, which is not described herein.
According to the audio processing method, acoustic parameters of ambient sound are obtained, wherein the acoustic parameters of the ambient sound comprise ambient sound intensity parameters; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device, and the output volume parameter comprises an audio energy parameter of the sound signal played by the audio playing device; determining the volume adjustment parameter based on the ambient sound intensity parameter and the audio energy parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the method can configure the output volume of the audio playing device according to the environmental sound intensity parameter and the audio energy parameter of the sound signal played by the audio playing device, and compared with the method which configures the output volume of the audio playing device only depending on the environmental sound, the method also configures the output volume of the audio playing device according to the audio energy parameter of the sound signal played by the audio playing device, so that the output volume of the audio playing device can be more accurately configured, and a user can better hear sound under different environmental sound intensities, and further user experience is improved.
Referring to fig. 5, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S510: acoustic parameters of ambient sound are acquired.
The specific implementation of step S510 may refer to the corresponding descriptions in step S110, step S210, step S310, and step S410 in the foregoing embodiments, which are not described herein.
Step S520: and acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device.
The specific implementation of step S520 may refer to the corresponding description in step S120 in the foregoing embodiment, which is not described herein.
Step S530: a volume adjustment parameter is determined based on the acoustic parameter of the ambient sound and the output volume parameter.
The specific implementation of step S530 may refer to the corresponding description in step S130 in the foregoing embodiment, which is not described herein.
Step S540: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
The specific implementation of step S540 may refer to the corresponding description in step S140 in the foregoing embodiment, and will not be described herein.
Step S550: and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
In this way, the sound effect parameters of the audio playing device can be configured according to the environmental sound characteristic parameters, that is, the output sound effect (tone quality) of the audio playing device is optimized according to the environmental sound characteristic parameters.
As an implementation mode, the frequency band distribution condition of the environmental sound of the current environment of the audio playing device can be identified, and then the sound signal in the frequency band is optimized in sound quality, so that the frequency band of the environmental sound can be covered by the audio played by the audio playing device in the frequency band, and the sound can be better heard.
In at least one embodiment, when the audio playing device is a headphone, the headphone may be a binaural headphone, and the binaural headphone may include a first headphone and a second headphone, in this manner, in order to avoid that the environmental sound characteristic parameters of the first headphone side and the second headphone side are different and affect the sound effect configuration effect, the first headphone may first accept the second environmental sound characteristic parameter sent by the second headphone before configuring the sound effect parameter of the audio playing device according to the environmental sound characteristic parameter, the second environmental sound characteristic parameter is detected by the second headphone, and then the first headphone determines the final environmental sound characteristic parameter according to the first environmental sound characteristic parameter and the second environmental sound characteristic parameter, where the first environmental sound characteristic parameter is detected by the first headphone, in this manner, the sound effect parameter of the audio playing device may be configured based on the environmental sound characteristic parameter finally determined by the first headphone.
When the first earphone determines the environmental sound characteristic parameter according to the first environmental sound characteristic parameter and the second environmental sound characteristic parameter, an average value of the first environmental sound characteristic parameter and the second environmental sound characteristic parameter can be calculated, and the average value is used as a final environmental sound characteristic parameter.
In at least one embodiment, the ambient sound characteristic parameter may comprise an ambient sound type, in which way the sound effect parameter of the audio playback device may be configured in accordance with the ambient sound type.
In a specific application scenario, please refer to fig. 6, which shows a signal processing block diagram of configuring output volume of an audio playing device according to a volume adjustment parameter and configuring sound effect parameters of the audio playing device according to an acoustic parameter of ambient sound according to an embodiment of the present application, where an earphone and an electronic device (the electronic device shown in fig. 6 is a mobile phone) may be connected through bluetooth. As shown in fig. 6, the external environmental noise signal can be collected through the external microphone, and then analog-digital conversion is performed, and then the environmental sound intensity level and the environmental sound type are determined; meanwhile, the volume configuration level of the audio playing device can be determined according to the output volume configured by the earphone and the digital gain, then the volume gain is adapted according to the environmental sound intensity level and the volume configuration level, the filter is adapted according to the environmental sound type, and further the self-adaptive volume adjustment and the tone quality adjustment are carried out, so that the listening effect of the audio played by the audio playing device can be improved.
According to the audio processing method provided by the application, acoustic parameters of ambient sound are obtained; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; configuring the output volume of the audio playing device according to the volume adjusting parameter; and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound. Therefore, the configuration of the output volume of the audio playing device according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device is realized, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the configuration of the output volume of the audio playing device according to the intensity of the sound signal currently played by the audio playing device is also referred to, so that the user can better hear the sound under different environmental sound intensities, and further the user experience is improved.
Meanwhile, filters with different tone qualities are adapted according to the spectrum characteristic (frequency band) difference of the environmental sound, so that the masking effect of the sound in the ear can be improved, the signal to noise ratio of the sound played by the earphone is improved according to the environmental sound characteristic, and the listening effect of the audio played by the audio playing device is improved.
Referring to fig. 7, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S610: acoustic parameters of ambient sound are acquired.
The specific implementation of step S610 may refer to the corresponding description in step S510 in the foregoing embodiment, and will not be described herein.
Step S620: and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
The sound effect parameter may be understood as a sound quality effect parameter of a sound signal played by the audio playing device.
In the process of configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound, as an implementation mode, the frequency band distribution condition of the environmental sound of the environment where the audio playing device is currently located can be identified, and then sound signals in the frequency band are optimized in terms of sound quality, so that the frequency band of the environmental sound can be covered by the audio played by the audio playing device in the frequency band, and sound can be better heard.
According to the audio processing method provided by the application, acoustic parameters of ambient sound are obtained; and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound. Therefore, the method can optimize the sound quality of the sound signals in the frequency band according to the frequency band distribution condition of the environmental sound, so that the signal-to-noise ratio of the sound signals in the frequency band can be improved, and the listening effect of the audio played by the audio playing equipment is improved.
Referring to fig. 8, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S710: an acoustic parameter of the ambient sound is acquired, the acoustic parameter of the ambient sound comprising an ambient sound characteristic parameter.
In an embodiment of the present application, the acoustic parameters of the ambient sound may include ambient sound characteristic parameters, which are used to characterize what frequency band the ambient sound is focused on or which spectral characteristics the ambient sound includes.
As a way, the frequency band distribution condition of various environmental sounds of the environment where the audio playing device is located can be identified, so as to obtain the respective corresponding environmental sound characteristic parameters of the various environmental sounds, and the corresponding environmental sound characteristic parameters of different environmental sounds can be different.
Step S720: and configuring sound effect parameters of the audio playing equipment according to the environmental sound characteristic parameters.
In at least one embodiment, in different noise environments, the spectral components of the environmental sound are different, the characteristic parameters of the environmental sound are also different, the masking effect on the audio signal played by the earphone (as shown in fig. 9, a schematic diagram of the masking effect is shown, generally, the stronger the masking sound is, the closer the frequency of the masking sound is to the frequency of the masked sound, the more obvious the masking effect is, and when the frequencies of the masking sound and the masking sound are the same, the masking effect is the largest), in order to help the user hear more clearly under the masking noise, the sound effect parameters of the audio playing device can be configured according to the characteristic parameters of the environmental sound so as to improve the signal to noise ratio of the noise masking frequency band.
As an implementation manner, in the case of configuring the sound effect parameters of the audio playing device according to the environmental sound feature parameters, if the acoustic parameters of the environmental sound include the environmental sound feature parameter 1, the environmental sound feature parameter 2 and the environmental sound feature parameter 3, where the environmental sound corresponding to the environmental sound feature parameter 1 is concentrated in the a frequency band, the environmental sound corresponding to the environmental sound feature parameter 2 is concentrated in the B frequency band, and the environmental sound corresponding to the environmental sound feature parameter 3 is concentrated in the C frequency band, then the sound quality of the sound signal in the a frequency band may be optimized according to the environmental sound feature parameter 1, the sound quality of the sound signal in the B frequency band may be optimized according to the environmental sound feature parameter 2, and the sound quality of the sound signal in the C frequency band may be optimized according to the environmental sound feature parameter 3.
In an embodiment of the present application, the audio playing device may include a first earphone and a second earphone, where before the audio playing device is configured according to the environmental sound feature parameter, the first earphone may first accept the second environmental sound feature parameter sent by the second earphone, where the second environmental sound feature parameter is detected by the second earphone, and then the first earphone determines a final environmental sound feature parameter according to the first environmental sound feature parameter and the second environmental sound feature parameter, where the first environmental sound feature parameter is detected by the first earphone, and in this way, the audio playing device may be configured based on the environmental sound feature parameter finally determined by the first earphone.
When the first earphone determines the environmental sound characteristic parameter according to the first environmental sound characteristic parameter and the second environmental sound characteristic parameter, an average value of the first environmental sound characteristic parameter and the second environmental sound characteristic parameter can be calculated, and the average value is used as a final environmental sound characteristic parameter.
According to the audio processing method, acoustic parameters of the environmental sound are obtained, wherein the acoustic parameters of the environmental sound comprise environmental sound characteristic parameters; and configuring sound effect parameters of the audio playing equipment according to the environmental sound characteristic parameters. Therefore, the method can optimize the sound quality of the sound signals in the frequency band according to the frequency band distribution condition of the environmental sound, so that the signal-to-noise ratio of the sound signals in the frequency band can be improved, and the listening effect of the audio played by the audio playing equipment is improved.
Referring to fig. 10, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S810: an acoustic parameter of the ambient sound is acquired, the acoustic parameter of the ambient sound comprising an ambient sound characteristic parameter, the ambient sound characteristic parameter comprising an ambient sound type.
The human ear basement membrane can be divided into a number of small portions, each portion corresponding to a cluster of frequencies, for example, the 20-22050 Hz frequency band can be divided into 25 clusters of frequencies, as shown in table 3 below, according to the auditory critical band definition.
TABLE 3 auditory critical band partitioning table
Frequency group number Center frequency/Hz Critical bandwidth/Hz Lower limit frequency/Hz Upper limit frequency/Hz
1 50 80 20 100
2 150 100 100 200
3 250 100 200 300
4 350 100 300 400
5 450 110 400 510
6 570 120 510 630
7 700 140 630 770
8 840 150 770 920
9 1000 160 920 1080
10 1170 190 1080 1270
11 1370 210 1270 1480
12 1600 240 1480 1720
13 1850 280 1720 2000
14 2150 320 2000 2320
15 2500 380 2320 2700
16 2900 450 2700 3150
17 3400 550 3150 3700
18 4000 700 3700 4400
19 4800 900 4400 5300
20 5800 1100 5300 6400
21 7000 1300 6400 7700
22 8500 1800 7700 9500
23 10500 2500 9500 12000
24 13500 300 12000 15500
25 18775 6550 15500 22050
In at least one example, the environmental sound in this embodiment may be environmental noise, and referring to table 3, in order to reduce the computing resources in the acoustic quality optimization process, as a way, the environmental noise may be classified into environmental sound types such as low-frequency noise, middle-high-frequency noise, and the like according to different frequency band weights of the noise in combination with the auditory critical band. For example, as shown in fig. 11, the aircraft noise may be weighted more heavily at low frequencies, the office talk noise may be weighted more heavily at medium frequencies, and the office noise may be divided into medium frequency noise. In this way, the sound effect parameters of the audio playback device can be configured according to the ambient sound type.
Step S820: and configuring sound effect parameters of the audio playing equipment according to the environmental sound type.
As a way, sound quality optimization can be performed on sound signals in a certain frequency band according to the environmental sound type, so as to configure sound effect parameters of the audio playing device. As an implementation manner, different filters can be adapted based on the frequency band to which the environmental sound type belongs, so that the sound signals in the corresponding frequency band are subjected to equalization filtering processing through the adapted filters, the signal-to-noise ratio of the sound signals is improved, and then the listening effect of the sound signals played by the audio playing device is improved.
For example, in the foregoing embodiment, the filter adapted to aircraft noise may be a compensating low-frequency noise filter, and the filter adapted to office talk noise may be a compensating intermediate-frequency noise filter. In at least one embodiment, the ambient sound types are different and the type of filter adapted is different. And then, performing equalization filtering processing on the sound effect parameters of the audio playing equipment through the adaptive filter so as to improve the signal to noise ratio of the noise masking frequency band. Exemplary filter frequency response curves corresponding to low-band aircraft environmental acoustic signature parameters are shown in fig. 12.
In at least one embodiment, the compensating low frequency noise filter may perform an equalization filtering process on audio sound parameters of the low frequency band [ 20-200 ] Hz, and the compensating intermediate frequency noise filter may perform an equalization filtering process on audio sound parameters of the intermediate frequency band [ 200-1080 ] Hz.
According to the audio processing method, acoustic parameters of ambient sound are obtained, wherein the acoustic parameters of the ambient sound comprise ambient sound characteristic parameters, and the ambient sound characteristic parameters comprise ambient sound types; and configuring sound effect parameters of the audio playing equipment according to the environmental sound type. Therefore, according to the mode, different sound equalization filters can be adapted according to the spectrum characteristic difference of the environmental noise, the masking effect of the sound in the ear is improved, the signal to noise ratio of the sound played by the earphone is improved according to the noise characteristic, the hearing of a user is clearer and clearer, and the user experience is enhanced.
Referring to fig. 13, still another embodiment of the present application provides an audio processing method, which is applicable to an audio playing device, and includes:
Step S910: acoustic parameters of ambient sound are acquired.
The specific implementation of step S910 may refer to the corresponding descriptions in step S610, step S710, and step S810 in the foregoing embodiments, which are not described herein.
Step S920: and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
The specific implementation of step S920 may refer to the corresponding descriptions in step S620, step S720 and step S820 in the foregoing embodiments, which are not repeated herein.
Step S930: and acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device.
The specific implementation of step S930 may refer to the corresponding descriptions in step S130, step S230, step S330, step S430 and step S530 in the foregoing embodiments, which are not described herein.
Step S940: a volume adjustment parameter is determined based on the acoustic parameter of the ambient sound and the output volume parameter.
In at least one embodiment, the acoustic parameters of the ambient sound may include ambient sound intensity parameters, the output volume parameters may include volume configuration parameters of the audio playback device, in which way the volume adjustment parameters may be determined based on the ambient sound intensity parameters and the volume configuration parameters, and reference may be made to the relevant description of the previous embodiments.
In at least one embodiment, the ambient sound intensity parameter may include an ambient sound intensity level, and the volume configuration parameter may include a volume configuration level, in which manner volume adjustment parameters corresponding to the ambient sound intensity level and the volume configuration level may be obtained from preset correspondence information.
In at least one embodiment, the acoustic parameters of the ambient sound may include ambient sound intensity parameters and the output volume parameters may include audio energy parameters of the sound signal played by the audio playback device, in which way the volume adjustment parameters may be determined based on the ambient sound intensity parameters and the audio energy parameters.
Step S950: and configuring the output volume of the audio playing device according to the volume adjusting parameter.
The configuration of the output volume of the audio playing device according to the volume adjustment parameter may refer to the relevant description in one or more embodiments, which is not described herein.
According to the audio processing method provided by the application, acoustic parameters of ambient sound are obtained; configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the filter with different tone qualities can be adapted according to the spectrum characteristic (frequency band) difference of the environmental sound, the masking effect of the sound in the ear can be improved, the signal-to-noise ratio of the sound played by the earphone can be improved according to the environmental sound characteristic, and the listening effect of the audio played by the audio playing device can be improved.
Meanwhile, the output volume of the audio playing device is configured according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the method also refers to the intensity of the sound signal currently played by the audio playing device to configure the output volume of the audio playing device, so that a user can better hear sound under different environmental sound intensities, and further user experience is improved.
Referring to fig. 14, an embodiment of the present application provides an audio processing apparatus 1000, which is operated in an audio playing device, where the apparatus 1000 includes:
an acoustic parameter acquisition module 1010, configured to acquire an acoustic parameter of the ambient sound.
In at least one embodiment, the audio playback device may include a microphone, in which way the acoustic parameter acquisition module 1010 may be used to collect ambient acoustic signals through the microphone; and acquiring acoustic parameters of the ambient sound based on the ambient sound signal.
As one way, the acoustic parameter acquisition module 1010 may be configured to acquire acoustic parameters of ambient sound in the case of music playing.
And a volume parameter obtaining module 1020, configured to obtain an output volume parameter of the audio playing device, where the output volume parameter is used to characterize the intensity of the sound signal currently played by the audio playing device.
And the adjustment parameter acquisition module 1030 is configured to determine a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter.
In at least one embodiment, the adjustment parameter obtaining module 1030 may be configured to obtain, from preset corresponding information, a volume adjustment parameter corresponding to the acoustic parameter of the ambient sound and the output volume parameter.
In at least one embodiment, the acoustic parameters of the environmental sound may include an environmental sound intensity parameter, where the environmental sound intensity parameter characterizes intensities of various sound signals in the environment, and the output volume parameter may include a volume configuration parameter of the audio playing device, where the volume configuration parameter is an output volume currently configured by the audio playing device, and in this manner, the adjustment parameter obtaining module 1030 may be configured to obtain, from preset corresponding information, a volume adjustment parameter corresponding to the environmental sound intensity parameter and the volume configuration parameter.
In at least one embodiment, the environmental sound intensity parameter may include an environmental sound intensity level, and the volume configuration parameter may include a volume configuration level, in this manner, the adjustment parameter obtaining module 1030 may be specifically configured to obtain, from preset corresponding information, a volume adjustment parameter corresponding to the environmental sound intensity level and the volume configuration level.
In at least one embodiment, the audio playing device may be a headset, where the headset may include a first headset and a second headset, and the apparatus 1000 may further include a parameter calculation module configured to, before determining the volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter, the first headset receives a second ambient sound intensity parameter transmitted by the second headset, where the second ambient sound intensity parameter is detected by the second headset, and determine the ambient sound intensity parameter according to a first ambient sound intensity parameter and the second ambient sound intensity parameter, where the first ambient sound intensity parameter is detected by the first headset.
In at least one embodiment, the acoustic parameters of the ambient sound may include an ambient sound intensity parameter, and the output volume parameter may include an audio energy parameter, where the audio energy parameter characterizes energy of a sound signal played by the audio playing device, and in this manner, the adjustment parameter obtaining module 1030 may be configured to obtain volume adjustment parameters corresponding to the ambient sound intensity parameter and the audio energy parameter from preset corresponding information.
And the audio processing module 1040 is configured to configure the output volume of the audio playing device according to the volume adjustment parameter.
As one approach, the audio processing module 1040 may also be used to configure the sound effect parameters of the audio playback device according to the acoustic parameters of the ambient sound.
The acoustic parameters of the environmental sound may include environmental sound characteristic parameters, and the configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound may include: and configuring sound effect parameters of the audio playing equipment according to the environmental sound characteristic parameters.
In at least one embodiment, the audio playing device may be a headset, where the headset may include a first headset and a second headset, and the apparatus 1000 may further include a parameter calculation module configured to, before configuring the sound effect parameter of the audio playing device according to the ambient sound feature parameter, receive a second ambient sound feature parameter sent by the second headset, where the second ambient sound feature parameter is detected by the second headset, and determine, by the first headset, the ambient sound feature parameter according to a first ambient sound feature parameter and the second ambient sound feature parameter, where the first ambient sound feature parameter is detected by the first headset.
In at least one embodiment, the ambient sound characteristic parameter may include an ambient sound type, and in this manner, configuring the sound effect parameter of the audio playing device according to the ambient sound characteristic parameter may include: and configuring sound effect parameters of the audio playing equipment according to the environmental sound type.
Referring to fig. 15, an embodiment of the present application provides an audio processing apparatus 1100, which is operated in an audio playing device, the apparatus 1100 includes:
an acoustic parameter acquiring unit 1110, configured to acquire an acoustic parameter of ambient sound.
In at least one embodiment, the audio playback device may include a microphone, in which way the acoustic parameter acquisition unit 1110 may be used to collect ambient sound signals through the microphone; and acquiring acoustic parameters of the ambient sound based on the ambient sound signal.
As one way, the acoustic parameter acquisition unit 1110 may be used to acquire acoustic parameters of ambient sound in the case of music playback.
An audio processing unit 1120, configured to configure sound effect parameters of the audio playing device according to acoustic parameters of the ambient sound.
In at least one embodiment, the acoustic parameters of the ambient sound may comprise ambient sound characteristic parameters, in which way the audio processing unit 1120 may be used to configure the sound effect parameters of the audio playback device in accordance with the ambient sound characteristic parameters.
In at least one embodiment, the ambient sound characteristic parameter may comprise an ambient sound type, in which way the audio processing unit 1120 may be specifically configured to configure the sound effect parameter of the audio playback device according to the ambient sound type.
In at least one embodiment, the audio playing device may be a headset, where the headset may include a first headset and a second headset, and the apparatus 1100 may further include a parameter calculating unit, configured to, before configuring the sound effect parameter of the audio playing device according to the ambient sound feature parameter, receive a second ambient sound feature parameter sent by the second headset, where the second ambient sound feature parameter is detected by the second headset, and determine, by the first headset, the ambient sound feature parameter according to a first ambient sound feature parameter and the second ambient sound feature parameter, where the first ambient sound feature parameter is detected by the first headset.
In at least one embodiment, the apparatus 1100 may further include a volume parameter obtaining unit and an adjustment parameter obtaining unit, where the volume parameter obtaining unit is configured to obtain an output volume parameter of the audio playing device, where the output volume parameter is used to characterize an intensity of a sound signal currently played by the audio playing device; the adjusting parameter obtaining unit is used for determining a volume adjusting parameter based on the acoustic parameter of the environmental sound and the output volume parameter; in this manner, the audio processing unit 1120 may be configured to configure the output volume of the audio playback device according to the volume adjustment parameter.
In at least one embodiment, the adjustment parameter obtaining unit may be specifically configured to obtain, from preset corresponding information, a volume adjustment parameter corresponding to the acoustic parameter of the ambient sound and the output volume parameter.
In at least one embodiment, the acoustic parameters of the ambient sound may include an ambient sound intensity parameter, and the output volume parameter may include a volume configuration parameter of the audio playing device, in this manner, the audio processing unit 1120 may be specifically configured to obtain, from preset corresponding information, a volume adjustment parameter corresponding to the ambient sound intensity parameter and the volume configuration parameter.
In at least one embodiment, the audio playing device may be a headset, the headset may include a first headset and a second headset, and the apparatus 1100 may further include a parameter calculating unit, configured to, before determining the volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter, the first headset receives a second ambient sound intensity parameter transmitted by the second headset, the second ambient sound intensity parameter being detected by the second headset, and the first headset determines the ambient sound intensity parameter according to a first ambient sound intensity parameter and the second ambient sound intensity parameter, the first ambient sound intensity parameter being detected by the first headset.
In at least one embodiment, the ambient sound intensity parameter may include an ambient sound intensity level, and the volume configuration parameter may include a volume configuration level, in which manner, the audio processing unit 1120 may be configured to obtain a volume adjustment parameter corresponding to the ambient sound intensity level and the volume configuration level from preset corresponding information.
In at least one embodiment, the acoustic parameters of the ambient sound include an ambient sound intensity parameter, and the output volume parameter includes an audio energy parameter, where the audio energy parameter characterizes energy of a sound signal played by the audio playing device, and in this way, the audio processing unit 1120 may be configured to obtain volume adjustment parameters corresponding to the ambient sound intensity parameter and the audio energy parameter from preset corresponding information.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the apparatus and modules described above may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
In the several embodiments provided by the present application, the illustrated or discussed coupling or direct coupling or communication connection of the modules to each other may be through some interfaces, indirect coupling or communication connection of devices or modules, electrical, mechanical, or other forms.
In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module. The integrated modules may be implemented in hardware or in software functional modules.
Referring to fig. 16, based on the above-mentioned audio processing method and apparatus, an embodiment of the present application further provides an audio playing device 100 capable of executing the above-mentioned audio processing method. The audio playback device 100 comprises a memory 102 and one or more (only one is shown in the figure) processors 104 coupled to each other, the communication lines connecting the memory 102 and the processors 104. The memory 102 stores therein a program that can execute the contents of the foregoing embodiments, and the processor 104 can execute the program stored in the memory 102.
Wherein the processor 104 may include one or more processing cores. The processor 104 connects various portions of the overall audio playback device 100 using various interfaces and lines, performs various functions of the audio playback device 100 and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 102, and invoking data stored in the memory 102. Alternatively, the processor 104 may be implemented in hardware in at least one of digital signal Processing (DIGITAL SIGNAL Processing, DSP), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 104 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for being responsible for rendering and drawing of display content; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 104 and may be implemented solely by a single communication chip.
Memory 102 may include random access Memory (Random Access Memory, RAM) or Read-Only Memory (ROM). Memory 102 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 102 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the foregoing embodiments, etc. The storage data area may also store data created by the audio playback device 100 in use (e.g., phonebook, audio-video data, chat-record data), and so forth.
Referring to fig. 17, a block diagram of a computer readable storage medium according to an embodiment of the present application is shown. The computer readable storage medium 1200 has stored therein program code that can be invoked by a processor to perform the methods described in the method embodiments described above.
The computer readable storage medium 1200 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Optionally, the computer readable storage medium 1200 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). The computer readable storage medium 1200 has memory space for program code 1210 that performs any of the method steps described above. The program code can be read from or written to one or more computer program products. Program code 1210 may be compressed, for example, in a suitable form.
In summary, the audio processing method, the device, the audio playing equipment and the storage medium provided by the application acquire the acoustic parameters of the environmental sound; acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device; determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter; and configuring the output volume of the audio playing device according to the volume adjusting parameter. Therefore, the configuration of the output volume of the audio playing device according to the acoustic parameters of the environmental sound and the intensity of the sound signal currently played by the audio playing device is realized, and compared with the configuration of the output volume of the audio playing device only depending on the environmental sound, the configuration of the output volume of the audio playing device according to the intensity of the sound signal currently played by the audio playing device is also referred to, so that the user can better hear the sound under different environmental sound intensities, and further the user experience is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (19)

1. An audio processing method, applied to an audio playing device, comprising:
Acquiring acoustic parameters of environmental sound;
Acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device;
Determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter;
And configuring the output volume of the audio playing device according to the volume adjusting parameter.
2. The method of claim 1, wherein the determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter comprises:
and acquiring volume adjustment parameters corresponding to the acoustic parameters of the environmental sound and the output volume parameters from preset corresponding information.
3. The method of claim 2, wherein the acoustic parameters of the ambient sound include an ambient sound intensity parameter, the output volume parameter includes a volume configuration parameter of the audio playback device, the volume configuration parameter is an output volume currently configured by the audio playback device, and the determining the volume adjustment parameter based on the acoustic parameters of the ambient sound and the output volume parameter includes:
and acquiring volume adjustment parameters corresponding to the environmental sound intensity parameters and the volume configuration parameters from preset corresponding information.
4. The method of claim 2, wherein the acoustic parameters of the ambient sound include ambient sound intensity parameters, wherein the output volume parameters include audio energy parameters that characterize energy of the sound signal played by the audio playback device, and wherein determining volume adjustment parameters based on the acoustic parameters of the ambient sound and the output volume parameters comprises:
And acquiring volume adjustment parameters corresponding to the environmental sound intensity parameters and the audio energy parameters from preset corresponding information.
5. The method of claim 3 or 4, wherein the audio playback device comprises a first earpiece and a second earpiece, and wherein before determining the volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter, further comprises:
The first earphone receives a second environmental sound intensity parameter sent by the second earphone, and the second environmental sound intensity parameter is detected by the second earphone;
The first earpiece determines the ambient sound intensity parameter from a first ambient sound intensity parameter and the second ambient sound intensity parameter, the first ambient sound intensity parameter being detected by the first earpiece.
6. The method of claim 1, wherein the acquiring acoustic parameters of the ambient sound comprises:
In the case of music playing, acoustic parameters of the ambient sound are acquired.
7. The method according to claim 1, wherein the method further comprises:
and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
8. The method of claim 7, wherein the acoustic parameters of the environmental sound further comprise environmental sound characteristic parameters, the environmental sound characteristic parameters characterize a frequency band distribution of the environmental sound, and the configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound comprises:
And configuring sound effect parameters of the audio playing equipment according to the environmental sound characteristic parameters.
9. An audio processing method, applied to an audio playing device, comprising:
Acquiring acoustic parameters of environmental sound;
and configuring sound effect parameters of the audio playing equipment according to the acoustic parameters of the environmental sound.
10. The method of claim 9, wherein the acoustic parameters of the environmental sound include environmental sound characteristic parameters, the environmental sound characteristic parameters characterize a frequency band distribution of the environmental sound, and the configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound includes:
And configuring sound effect parameters of the audio playing equipment according to the environmental sound characteristic parameters.
11. The method of claim 10, wherein the audio playback device comprises a first earpiece and a second earpiece, and wherein prior to configuring the sound effect parameters of the audio playback device in accordance with the ambient sound characteristic parameters, further comprising:
The first earphone receives a second environmental sound characteristic parameter sent by the second earphone, and the second environmental sound characteristic parameter is detected by the second earphone;
The first earphone determines the ambient sound characteristic parameter according to a first ambient sound characteristic parameter and the second ambient sound characteristic parameter, and the first ambient sound characteristic parameter is detected by the first earphone.
12. The method according to claim 9, wherein the method further comprises:
Acquiring an output volume parameter of the audio playing device, wherein the output volume parameter is used for representing the intensity of a sound signal currently played by the audio playing device;
Determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter;
And configuring the output volume of the audio playing device according to the volume adjusting parameter.
13. The method of claim 12, wherein the determining a volume adjustment parameter based on the acoustic parameter of the ambient sound and the output volume parameter comprises:
and acquiring volume adjustment parameters corresponding to the acoustic parameters of the environmental sound and the output volume parameters from preset corresponding information.
14. The method of claim 13, wherein the acoustic parameters of the ambient sound further comprise an ambient sound intensity parameter, the output volume parameter comprises a volume configuration parameter of the audio playback device, the volume configuration parameter is an output volume currently configured by the audio playback device, and the determining the volume adjustment parameter based on the acoustic parameters of the ambient sound and the output volume parameter comprises:
and acquiring volume adjustment parameters corresponding to the environmental sound intensity parameters and the volume configuration parameters from preset corresponding information.
15. The method of claim 13, wherein the acoustic parameters of the ambient sound further comprise ambient sound intensity parameters, wherein the output volume parameters comprise audio energy parameters that characterize energy of the sound signal played by the audio playback device, wherein determining volume adjustment parameters based on the acoustic parameters of the ambient sound and the output volume parameters comprises:
And acquiring volume adjustment parameters corresponding to the environmental sound intensity parameters and the audio energy parameters from preset corresponding information.
16. An audio processing apparatus operable with an audio playback device, the apparatus comprising:
the acoustic parameter acquisition module is used for acquiring acoustic parameters of the environmental sound;
The volume parameter acquisition module is used for acquiring output volume parameters of the audio playing equipment, wherein the output volume parameters are used for representing the intensity of a sound signal currently played by the audio playing equipment;
the adjusting parameter acquisition module is used for determining a volume adjusting parameter based on the acoustic parameter of the environmental sound and the output volume parameter;
And the audio processing module is used for configuring the output volume of the audio playing device according to the volume adjusting parameter.
17. An audio processing apparatus operable with an audio playback device, the apparatus comprising:
an acoustic parameter acquisition unit configured to acquire acoustic parameters of ambient sound;
And the audio processing unit is used for configuring the sound effect parameters of the audio playing device according to the acoustic parameters of the environmental sound.
18. An audio playback device comprising one or more processors and memory;
one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the methods of any of claims 1-8 or claims 9-15.
19. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a program code, wherein the program code, when being executed by a processor, performs the method of any of claims 1-8 or 9-15.
CN202211413927.9A 2022-11-11 2022-11-11 Audio processing method, device, audio playing equipment and storage medium Pending CN118042348A (en)

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US20170195811A1 (en) * 2015-12-30 2017-07-06 Knowles Electronics Llc Audio Monitoring and Adaptation Using Headset Microphones Inside User's Ear Canal
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