CN107750038B - Volume adjusting method, device, equipment and storage medium - Google Patents
Volume adjusting method, device, equipment and storage medium Download PDFInfo
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- CN107750038B CN107750038B CN201711099712.3A CN201711099712A CN107750038B CN 107750038 B CN107750038 B CN 107750038B CN 201711099712 A CN201711099712 A CN 201711099712A CN 107750038 B CN107750038 B CN 107750038B
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
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Abstract
The embodiment of the invention discloses a volume adjusting method, a volume adjusting device, volume adjusting equipment and a storage medium. The method comprises the following steps: receiving an ambient sound signal collected by at least one microphone; and adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume. By the technical scheme of the invention, the echo interference can be improved, and the user experience is improved.
Description
Technical Field
The present invention relates to audio technologies, and in particular, to a volume adjustment method, apparatus, device, and storage medium.
Background
Audio devices are widely used in various electronic devices as an indispensable part of a sound output function.
In the prior art, the adjustment of the output volume of the electronic equipment is mainly manually completed by manpower, and when a microphone is used on a local machine of the electronic equipment and sound is played through a power amplifier on the local machine, serious echo interference can be generated, and the user experience is reduced.
Disclosure of Invention
The embodiment of the invention provides a volume adjusting method, a device, equipment and a storage medium, which are used for improving echo interference and improving the effect of user experience.
In a first aspect, an embodiment of the present invention provides a volume adjustment method, including:
receiving an ambient sound signal collected by at least one microphone;
and adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume.
In a second aspect, an embodiment of the present invention further provides a volume adjustment device, where the volume adjustment device includes:
the signal receiving module is used for receiving the environmental sound signal collected by at least one microphone;
and the volume adjusting module is used for adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume.
In a third aspect, an embodiment of the present invention further provides an apparatus, where the apparatus includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a volume adjustment method as in any one of the embodiments of the present invention.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the volume adjustment method according to any one of the embodiments of the present invention.
According to the embodiment of the invention, the environmental sound signal collected by at least one microphone is received, and the output volume of the local machine is adjusted according to the environmental sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environmental volume, the advantage that echo can be eliminated by automatically adjusting the output volume of the local machine to be smaller than the environmental volume is utilized, the problems that serious echo interference can be generated and user experience is reduced when the microphone is used and sound is played are solved, the echo interference is improved, and the effect of improving the user experience is realized.
Drawings
Fig. 1 is a schematic flow chart of a volume adjustment method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a volume adjustment method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a volume adjustment device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic flow chart of a volume adjustment method according to an embodiment of the present invention. The method is applicable to the case of adjusting the volume of the device, and can be executed by a volume adjusting device, which can be composed of hardware and/or software, and can be generally integrated in electronic devices and all terminals containing volume adjusting functions. The method specifically comprises the following steps:
and S110, receiving an environment sound signal collected by at least one microphone.
Optionally, the microphone arranged on the electronic device may be used for collecting the ambient sound, or the external microphone and the loudspeaker of the device may be placed in the same place and distributed in different directions to collect the ambient sound. The microphone can convert the collected environment sound wave signals into environment sound electric signals, and the environment sound electric signals are sent to the electronic equipment, so that the electronic equipment can receive the environment sound signals collected by the at least one microphone.
The purpose of receiving the environmental sound signal collected by the at least one microphone is to obtain the sound required to be collected by the electronic device, such as the sound emitted by the person to be recorded and required to be collected during recording, and the speech sound of the user and required to be collected during a telephone conversation.
And S120, adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume.
Optionally, the sound signal output by the local machine may be a sound signal output by the electronic device itself, and the sound signal is amplified by a power amplifier and then played by a loudspeaker. Exemplarily, in order to ensure the sound collection effect of the device, it is necessary to ensure that the volume of the collected sound (i.e., the ambient volume) is greater than the volume of the sound output by the device itself, so as to reduce the collected sound output by the device itself, further solve the problem of echo interference, improve the sound collection effect of the microphone, and improve the user experience.
For example, the volume of the local output sound can be adjusted moderately by comparing the magnitude between the environmental sound signal and the sound signal output by the local machine, so that the volume of the local output sound is always smaller than that of the collected environmental sound. In a specific example, in the process of a telephone conversation between a first user and a second user, for the first user, the volume of the sound of the second user can be properly adjusted by comparing the volume of the collected voice (i.e., the environmental sound) of the first user speaking with the transmitted and played sound (i.e., the local output sound) of the second user, so that the volume of the collected voice of the first user speaking is greater than the volume of the transmitted and played sound of the second user, thereby preventing the second user from hearing the voice of the second user during the conversation, i.e., eliminating echo interference.
Preferably, adjusting the local output volume according to the ambient sound signal and the locally output sound signal so that the local output volume is smaller than the ambient volume includes:
determining the current environment sound intensity according to the environment sound signal;
determining the current local output sound intensity according to the sound signal output by the local machine;
judging whether the current output sound intensity of the local computer is smaller than the current environment sound intensity;
if not, reducing the current output sound intensity of the local computer until the current output sound intensity of the local computer is smaller than the current environment sound intensity, and outputting a sound signal based on the reduced local computer output sound intensity.
For example, the current sound intensity may be determined by analyzing the power value of the sound signal, and then the current ambient sound intensity decibel value and the current local machine output sound intensity decibel value are determined, and it is determined whether the current local machine output sound intensity decibel value is smaller than the current ambient sound intensity decibel value, so as to determine whether the current local machine output sound intensity is smaller than the current ambient sound intensity, if the current local machine output sound intensity decibel value is not smaller than the current ambient sound intensity decibel value, it is indicated that the local machine output sound is collected when the microphone collects the ambient sound due to too large local machine output volume, and the echo interference is caused, so that the current local machine output sound intensity may be reduced appropriately until the current local machine output sound intensity is smaller than the current ambient sound intensity, and the sound signal is output based on the reduced local machine output sound intensity, therefore, echo interference is eliminated, the quality of sound collected by the microphone is improved, and user experience is improved.
According to the technical scheme, the environmental sound signals collected by the at least one microphone are received, the output volume of the local machine is adjusted according to the environmental sound signals and the sound signals output by the local machine, the output volume of the local machine is smaller than the environmental volume, the advantage that echo can be eliminated by automatically adjusting the output volume of the local machine to be smaller than the environmental volume is utilized, the problem that serious echo interference can be generated when the microphone is used and sound is played is solved, the user experience is reduced, the improvement of the echo interference is realized, and the effect of the user experience is improved.
Example two
Fig. 2 is a schematic flow chart of a volume adjustment method according to a second embodiment of the present invention. The present embodiment is optimized based on the above embodiments, and provides a preferable volume adjustment method, specifically, further optimized to determine whether the current local output sound intensity is smaller than the current environment sound intensity. The method specifically comprises the following steps:
and S210, receiving an environment sound signal collected by at least one microphone.
And S220, determining the current environment sound intensity according to the environment sound signal.
And S230, determining the current local output sound intensity according to the sound signal output by the local computer.
S240, judging whether the current environment sound intensity is larger than the preset standard sound intensity, if so, executing S250; if not, go to S270.
For example, there is a case that when the ambient sound intensity is small, even zero, in order to prevent the local output sound intensity from being too low, a standard intensity value, i.e. a preset standard sound intensity, may be set to ensure the minimum local output sound intensity.
The advantage of firstly judging whether the current environmental sound intensity is greater than the preset standard sound intensity is that a new standard, namely the preset standard sound intensity, can be provided for the adjustment of the local output sound intensity when the environmental sound intensity is very small, wherein the preset standard sound intensity can be set as the local maximum output sound intensity which can not cause echo interference to the greatest extent.
S250, judging whether the current output sound intensity of the local computer is smaller than the current environment sound intensity, if so, executing S290; if not, go to S260.
And S260, reducing the current output sound intensity of the local computer until the current output sound intensity of the local computer is smaller than the current environment sound intensity, and outputting a sound signal based on the reduced local computer output sound intensity.
S270, judging whether the current output sound intensity of the local computer is smaller than the preset standard sound intensity, if so, executing S290; if not, go to step S280.
For example, if the current ambient sound intensity is not greater than the preset standard sound intensity, it indicates that the intensity of the ambient sound signal collected by the microphone is too low, and therefore the current ambient sound intensity cannot be used as the basis for the determination. Optionally, when the current environmental sound intensity is too small, the output sound intensity of the local computer can be adjusted by judging whether the current output sound intensity of the local computer is smaller than the preset standard sound intensity, so that echo interference is eliminated to the maximum extent.
And S280, reducing the current output sound intensity of the local computer until the current output sound intensity of the local computer is smaller than the preset standard sound intensity, and outputting a sound signal based on the reduced output sound intensity of the local computer.
For example, if the current local output sound intensity is not less than the preset standard sound intensity, it indicates that outputting the sound signal with the current local output sound intensity may cause echo interference, and thus the current local output sound intensity needs to be reduced until the current local output sound intensity is less than the preset standard sound intensity, so as to output the sound signal based on the reduced local output sound intensity, and provide a good collection environment for the microphone to collect the sound signal without echo interference.
And S290, keeping the current local output sound intensity unchanged, and outputting the sound signal based on the current local output sound intensity.
For example, if the current local output sound intensity is less than the current ambient sound intensity or the preset standard sound intensity, it indicates that outputting the sound signal with the current local output sound intensity does not cause echo interference, so that the current local output sound intensity can be kept unchanged, and the sound signal can be output based on the current local output sound intensity.
According to the technical scheme, whether the current environment sound intensity is larger than the preset standard sound intensity or not is judged firstly, if yes, the current local machine output sound intensity is adjusted according to the current environment sound intensity, if not, the current local machine output sound intensity is adjusted according to the preset standard sound intensity, so that the normal output function of the local machine cannot be influenced due to too small local machine output sound intensity when the current local machine output sound intensity is adjusted, the purpose of eliminating echo interference through proper adjustment of the local machine output sound intensity is achieved, and user experience is improved.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a volume adjustment device according to a third embodiment of the present invention. Referring to fig. 3, the volume adjusting apparatus includes: a signal receiving module 310 and a volume adjusting module 320, which are described in detail below.
A signal receiving module 310, configured to receive an ambient sound signal collected by at least one microphone;
the volume adjusting module 320 is configured to adjust the local output volume according to the environmental sound signal and the sound signal output by the local device, so that the local output volume is smaller than the environmental volume.
Optionally, the volume adjusting module 320 includes:
the environment intensity determination submodule is used for determining the current environment sound intensity according to the environment sound signal;
the output intensity determining submodule is used for determining the current local output sound intensity according to the sound signal output by the local computer;
the intensity judging submodule is used for judging whether the current output sound intensity of the local computer is smaller than the current environment sound intensity;
and the output intensity reducing submodule is used for reducing the current local output sound intensity if the current local output sound intensity is not less than the current environment sound intensity until the current local output sound intensity is less than the current environment sound intensity, and outputting a sound signal based on the reduced local output sound intensity.
Optionally, the strength level determining sub-module includes:
the sound intensity comparison unit is used for judging whether the current environment sound intensity is greater than the preset standard sound intensity or not;
and the first intensity judging unit is used for judging whether the current output sound intensity of the local computer is smaller than the current environment sound intensity or not if the current environment sound intensity is larger than the preset standard sound intensity.
Optionally, the method further includes:
the second intensity judging unit is used for judging whether the current environment sound intensity is greater than the preset standard sound intensity or not, and judging whether the current local output sound intensity is less than the preset standard sound intensity or not if the current environment sound intensity is not greater than the preset standard sound intensity;
and the output intensity reducing unit is used for reducing the current local machine output sound intensity if the current local machine output sound intensity is not less than the preset standard sound intensity until the current local machine output sound intensity is less than the preset standard sound intensity, and outputting a sound signal based on the reduced local machine output sound intensity.
Optionally, the method further includes:
and the output intensity keeping unit is used for keeping the current local output sound intensity unchanged and outputting a sound signal based on the current local output sound intensity if the current local output sound intensity is smaller than the current environment sound intensity or the preset standard sound intensity.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Example four
Fig. 4 is a schematic structural diagram of an apparatus according to a fourth embodiment of the present invention, and as shown in fig. 4, the apparatus according to the fourth embodiment includes: a processor 41 and a memory 42. The number of the processors in the device may be one or more, fig. 4 illustrates one processor 41, the processor 41 and the memory 42 in the device may be connected by a bus or other means, and fig. 4 illustrates the connection by a bus.
The processor 41 of the device in this embodiment integrates the volume adjusting device provided in the above embodiment. In addition, the memory 42 in the device is used as a computer readable storage medium for storing one or more programs, which may be software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the volume adjustment method in the embodiment of the present invention (for example, the modules in the volume adjustment device shown in fig. 3, including the signal receiving module 310 and the volume adjustment module 320). The processor 41 executes various functional applications of the device and data processing by executing software programs, instructions and modules stored in the memory 42, that is, implements the volume adjustment method in the above-described method embodiment.
The memory 42 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 42 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 42 may further include memory located remotely from processor 41, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
And, when the one or more programs included in the above-described apparatus are executed by the one or more processors 41, the programs perform the following operations:
receiving an ambient sound signal collected by at least one microphone; and adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume.
EXAMPLE five
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a volume adjustment device, implements a volume adjustment method according to an embodiment of the present invention, where the method includes: receiving an ambient sound signal collected by at least one microphone; and adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume.
Of course, the computer-readable storage medium provided in the embodiments of the present invention, when being executed, is not limited to implementing the above method operations, and may also implement the relevant operations in the volume adjustment method provided in any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods of the embodiments of the present invention.
It should be noted that, in the embodiment of the volume adjustment device, the units and modules included in the embodiment are merely divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A method of adjusting volume, comprising:
receiving an environment sound signal collected by a microphone, wherein the microphone is a plurality of microphones which are externally connected and are placed at the same place with a loudspeaker of the electronic equipment and are distributed in different directions;
adjusting the output volume of the local machine according to the environment sound signal and the sound signal output by the local machine, so that the output volume of the local machine is smaller than the environment volume; the adjusting local output volume according to the environment sound signal and the sound signal output by the local machine so that the local output volume is smaller than the environment volume comprises:
determining the current environment sound intensity according to the environment sound signal;
determining the current local output sound intensity according to the sound signal output by the local machine;
judging whether the current local output sound intensity is smaller than the current environment sound intensity;
if not, reducing the current local output sound intensity until the current local output sound intensity is smaller than the current environment sound intensity, and outputting a sound signal based on the reduced local output sound intensity; the determining whether the current local output sound intensity is less than the current environmental sound intensity includes:
judging whether the current environment sound intensity is greater than a preset standard sound intensity;
if yes, judging whether the current output sound intensity of the local computer is smaller than the current environment sound intensity.
2. The method of claim 1, after determining whether the current ambient sound intensity is greater than a preset standard sound intensity, further comprising:
if not, judging whether the current output sound intensity of the local computer is smaller than the preset standard sound intensity;
and if the current local machine output sound intensity is not less than the preset standard sound intensity, reducing the current local machine output sound intensity until the current local machine output sound intensity is less than the preset standard sound intensity, and outputting a sound signal based on the reduced local machine output sound intensity.
3. The method of claim 2, further comprising:
if the current local output sound intensity is smaller than the current environment sound intensity or the preset standard sound intensity, keeping the current local output sound intensity unchanged, and outputting a sound signal based on the current local output sound intensity.
4. A volume adjustment device, comprising:
the signal receiving module is used for receiving an environment sound signal collected by a microphone, and the microphone is a plurality of microphones which are externally connected, are placed at the same place with a loudspeaker of the electronic equipment and are distributed in different directions;
the volume adjusting module is used for adjusting the output volume of the local computer according to the environment sound signal and the sound signal output by the local computer, so that the output volume of the local computer is smaller than the environment volume; the volume adjustment module includes:
the environment intensity determination submodule is used for determining the current environment sound intensity according to the environment sound signal;
the output intensity determining submodule is used for determining the current local output sound intensity according to the sound signal output by the local computer;
the intensity judging submodule is used for judging whether the current local output sound intensity is smaller than the current environment sound intensity;
an output intensity reduction submodule, configured to reduce the current local machine output sound intensity until the current local machine output sound intensity is smaller than the current environment sound intensity if the current local machine output sound intensity is not smaller than the current environment sound intensity, and output a sound signal based on the reduced local machine output sound intensity; the strength judgment submodule comprises:
the sound intensity comparison unit is used for judging whether the current environment sound intensity is greater than the preset standard sound intensity or not;
and the first intensity judging unit is used for judging whether the current local output sound intensity is smaller than the current environment sound intensity or not if the current environment sound intensity is larger than the preset standard sound intensity.
5. An electronic device, characterized in that the device comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the volume adjustment method of any one of claims 1-3.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a volume adjustment method according to any one of claims 1 to 3.
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| 基于环境噪声的广播音量自适应控制***;王玉芳;《自动化仪表》;20161231;第37卷(第12期);第14-17页 * |
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