WO2020034544A1 - 检测耳机佩戴状态的方法、装置及耳机 - Google Patents

检测耳机佩戴状态的方法、装置及耳机 Download PDF

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Publication number
WO2020034544A1
WO2020034544A1 PCT/CN2018/124139 CN2018124139W WO2020034544A1 WO 2020034544 A1 WO2020034544 A1 WO 2020034544A1 CN 2018124139 W CN2018124139 W CN 2018124139W WO 2020034544 A1 WO2020034544 A1 WO 2020034544A1
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WO
WIPO (PCT)
Prior art keywords
earphone
sound pressure
headset
feedforward
environment
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PCT/CN2018/124139
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English (en)
French (fr)
Inventor
温晓峰
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歌尔股份有限公司
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Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Priority to US17/267,562 priority Critical patent/US11470416B2/en
Publication of WO2020034544A1 publication Critical patent/WO2020034544A1/zh

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices
    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Definitions

  • the present invention relates to the technical field of acoustics, and more particularly, to a method, a device, and a headset for detecting a wearing state of a headset.
  • headphones have become an indispensable electronic device in people's daily life and work.
  • the headphones convert electrical signals into acoustic signals, and at the same time, can actively perform noise reduction processing on external noise.
  • the noise reduction effect and sound quality of the headphones using the feedback noise reduction method are related to the state of the user wearing the headphones. Specifically, when the user wears the headset correctly, that is, when the wearing coupling is good, the noise reduction effect of the headset is good. At the same time, the low frequency response of the speakers in the headphones is good, that is, the sound quality of the headphones is good. When the user wears the headset incorrectly, that is, when the coupling is poor, the noise reduction effect of the headset is poor, and the sound quality of the headset is also poor.
  • An object of the present invention is to provide a method, a device, and a headset for detecting a wearing state of a headset, which can detect a wearing state of the headset.
  • a method for detecting a wearing state of a headset includes:
  • the environment type includes a noise environment type and a non-noise environment type; when the earphone is in a non-noise environment type, the earphone plays a preset audio signal;
  • the feedforward sound pressure is a value picked up by a feedforward microphone of the earphone A sound pressure of a sound signal, where the feedback sound pressure is a sound pressure of a sound signal picked up by a feedback microphone of the headset;
  • the earphone includes a left ear earphone and a right ear earphone, and obtaining the feedforward sound pressure and the feedback sound pressure of the earphone to determine a difference between the feedforward sound pressure and the feedback sound pressure includes:
  • the determining whether the wearing of the headset is qualified according to a comparison result between the difference and a preset first threshold range corresponding to the environment type includes:
  • the type of environment where the headset is located includes:
  • the third threshold it is determined that the earphone is in a noise environment type; if the sound pressure of the sound signal picked up by the feedforward microphone is not greater than the first Three thresholds, it is determined that the earphone is in a non-noisy environment type.
  • the type of environment where the headset is located includes:
  • the input instruction signifies that the type of environment in which the headset is located is a noise environment type, it is determined that the type of environment in which the headset is located is a noise environment type; if the input instruction indicates that the type of environment in which the headset is located is a non-noise environment , It is determined that the type of environment in which the headset is located is a non-noise environment type.
  • the method further includes: outputting prompt information corresponding to whether the headset is qualified to be worn.
  • the preset audio signal is a frequency sweep signal, pink noise, or white noise.
  • a device for detecting a wearing state of a headset including a memory and a processor, where the memory stores a computer program, and the processor implements any of the foregoing when the computer program is executed.
  • a headset including a speaker, a feedforward microphone, a feedback microphone, and a device for detecting a wearing state of the headset according to the foregoing;
  • the feedforward microphone is used to pick up a sound signal outside the back cavity of the earphone
  • the feedback microphone is used to pick up a sound signal in the front cavity of the earphone
  • the processor is respectively connected to the feedforward microphone and the feedback microphone to obtain a sound signal picked up by the feedforward microphone and a sound signal picked up by the feedback microphone;
  • the processor is connected to the speaker to control the speaker to play a preset audio signal when the earphone is in a non-noise environment type.
  • the headset further includes an environment type setting device connected to the processor, and the environment type setting device is used for a user to set the environment type.
  • the method, the device and the earphone for detecting the wearing state of the earphone provided by the embodiments of the present invention can be used to detect whether the user wears the earphone correctly, so as to improve the coupling degree between the earphone and the human ear, thereby improving the noise reduction effect and sound quality of the earphone.
  • FIG. 1 is a schematic flowchart of a method for detecting a wearing state of an earphone according to an embodiment of the present invention
  • FIG. 2 is a block diagram of an apparatus for detecting a wearing state of a headset according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an earphone provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an earphone according to another embodiment of the present invention.
  • any specific value should be construed as exemplary only and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.
  • the method for detecting the wearing state of the earphone is an apparatus for detecting the wearing state of the earphone.
  • the device can be a variety of headphones, such as Bluetooth headphones, headphones, and in-ear headphones.
  • the earphone may be a mono earphone or a binaural earphone.
  • the device may also be various electronic devices including headphones, such as electronic devices such as mobile phones.
  • the device may also be a hardware module and / or a software module in the headset or the aforementioned electronic device. It should be noted that, in the following embodiments, a headset is used as an execution subject of the method for detecting the wearing state of the headset, and the method provided in this application will be described.
  • FIG. 1 is a schematic flowchart of a method for detecting a wearing state of an earphone. The method includes the following steps:
  • S101 Obtain an environment type of an environment in which the earphone is located, where the environment type includes a noise environment type and a non-noise environment type; when the earphone is in a non-noise environment type, the earphone plays a preset audio signal.
  • the external environment may be relatively quiet or noisy.
  • the embodiment of the present invention provides two types of environments, including a noisy environment type (corresponding to a relatively noisy environment) and a non-noise environment type (corresponding to a relatively quiet environment).
  • a noisy environment type corresponding to a relatively noisy environment
  • a non-noise environment type corresponding to a relatively quiet environment.
  • the environment type is obtained in the following two ways:
  • an environment type in which the earphone is located is determined.
  • the sound pressure of the sound signal picked up by the feedforward microphone is greater than the third threshold, it is determined that the earphone is in a noise environment type; if the sound pressure of the sound signal picked up by the feedforward microphone is not greater than the third threshold, it is determined that the earphone is in a non-noise environment Types of.
  • the earphone when the environment type of the environment in which the earphone is located is obtained based on the foregoing manner, the earphone detects the sound pressure of the sound signal picked up by the feedforward microphone of the earphone to obtain the feedforward sound pressure. The earphone compares the feedforward sound pressure with a third threshold. If the sound pressure is greater than the third threshold, it is determined that the earphone is in a noise environment type. Instead, make sure the headset is in a non-noisy environment.
  • the earphone when obtaining the environment type of the earphone based on the above method 1, the earphone can use the left ear earphone or the right ear earphone to pick up the sound pressure of the sound signal picked up by the feedforward microphone.
  • the foregoing method for determining the type of environment in which the earphones are located to determine the type of environment in which the earphones are located.
  • the type of environment in which the headphones are located can also be determined based on the sound pressure of the signals picked up by the two feedforward microphones in the left-ear headphones and the right-ear headphones.
  • the earphone detects the sound pressure of the sound signal picked up by the feed-forward microphone in the left-ear earphone and the right-ear earphone, and determines a result of the earphone according to a result of comparing the average or larger value of the two sound pressures with a third threshold
  • the environment type of the environment is the same.
  • the above-mentioned third threshold value can be set manually.
  • the third threshold may be set to 40 dB.
  • Get input instructions if the input instruction indicates that the environment type of the headset is a noise environment type, determine the environment type of the headset is a noise environment type; if the input instruction indicates that the environment type of the headset is a non-noise environment type, determine the environment where the headset is located The environment type is a non-noise environment type.
  • the foregoing input instruction is an instruction input by a user of the headset.
  • the user determines whether the environment type of the environment in which the headset is located is a noise environment type or a non-noise environment type through the perception of the external environment.
  • the user can input instructions to the headset through related buttons on the headset. For example, when the user presses the button, the button is pressed, and then the user inputs an input instruction of the noise environment type to the headset; when the user presses the button again, the button is popped up, and then the user sends the headset to the headset.
  • Input command for the environment type where the headset is located is a non-noise environment type.
  • the instruction input can also be implemented in other ways, for example, the instruction input can be implemented by a toggle switch. In this regard, the embodiments of the present invention are not limited.
  • the earphone plays a preset audio signal.
  • the earphone may or may not play the preset audio signal.
  • the preset audio signal may be a frequency sweep signal, pink noise, or white noise.
  • the preset audio signal may also be a piece of music.
  • the feedforward sound pressure is the sound pressure of a sound signal picked up by the feedforward microphone of the headset
  • the feedback sound pressure is the sound pressure of the sound signal picked up by the feedback microphone of the headset.
  • the aforementioned feedforward sound pressure and feedback sound pressure refer to the sound pressure of a sound signal picked up by a feedforward microphone and a feedback microphone of the same earphone.
  • the earphone performs signal processing on the sound signal picked up by the microphone to obtain the feedforward sound pressure and feedback sound pressure of the earphone.
  • the difference when calculating the difference, the difference may be calculated by subtracting the feedback sound pressure from the feedforward sound pressure of the earphone on the same side, or the method of subtracting the feedforward sound pressure from the feedback sound pressure of the earphone on the same side. Calculate the above difference. Passing the headset means that the effect of noise on the sound signal played by the headset is within the user's acceptable range. In contrast, the failure of wearing the headset means that the effect of noise on the sound signal played by the headset is beyond the acceptable range of the user and cannot satisfy the user.
  • the value of the first threshold range is also different. The specific determination process of the first threshold range is as follows.
  • the first threshold range corresponding to the noise environment type is determined as follows:
  • the user wears the headset so that the headset is in an ideal wearing state.
  • the ideal wearing state means that the ear canal of the user is in the middle of the ear cup.
  • the speaker in the headset plays the preset audio signal or does not play the audio signal.
  • the preset audio signal may be a frequency sweep signal, pink noise, or white noise.
  • ⁇ Ndiff determines the acceptable range of the difference between the feedforward sound pressure and the feedback sound pressure when the environment type of the headset is a noise environment type and in an ideal wearing state, ⁇ Ndiff, and use ⁇ Ndiff as corresponding to the noise environment
  • the first threshold range In a specific example, ⁇ Ndiff is an interval (a-3dB, a + 3dB).
  • the speakers in the headphones preferably play the same audio signal.
  • the environment type is a noisy environment type and the first threshold range is determined when the speaker does not play audio signals in the headset, during the execution of the above S101-S103, when the environment type of the headset is noise In the environment type, the speaker in the headset preferably does not play audio signals.
  • the standard value a is the feedforward sound pressure minus the feedback sound pressure
  • the difference determined in S102 is also the feedforward sound pressure minus the feedback sound pressure.
  • the difference determined in S102 is also the feedback sound pressure minus the feedforward sound pressure.
  • the first threshold range corresponding to the non-noise environment type is determined as follows:
  • the user wears the headset so that the headset is in an ideal wearing state.
  • the speaker in the headset plays a preset audio signal.
  • the preset audio signal may be a frequency sweep signal, pink noise, or white noise.
  • the acceptable difference range ⁇ Sdiff between the feedforward sound pressure and the feedback sound pressure difference value, and ⁇ Sdiff is taken as a NAND
  • ⁇ Sdiff is an interval (b-3dB, b + 3dB).
  • the difference determined in S102 is also the feedforward sound pressure minus the feedback sound pressure.
  • the difference determined in S102 is also the feedback sound pressure minus the feedforward sound pressure.
  • the first threshold range corresponding to the determined environment type is first selected according to the environment type determined in S101; and then the difference in S103 is compared with that of the corresponding environment type.
  • the first threshold range is compared; when the difference exceeds the first threshold range, it is determined that the headset is unqualified, and correspondingly, when the difference is within the first threshold range, the headset is determined to be suitable.
  • the earphones are binaural earphones, whether the earphones on one side are worn properly can be determined according to the earphones on either side, and the result can be used as the wearing state of the earphones.
  • the method for detecting the wearing state of the earphone provided by the present invention can detect the wearing state of the earphone by using the hardware device of the earphone itself. Based on this, the user can determine whether the posture of the headset needs to be adjusted according to the detection result, so that the coupling degree between the headset and the human ear can be improved, and the noise reduction effect and sound quality of the headset can be further improved.
  • the binaural headphones are more widely used than monophones.
  • the binaural headphones include left-ear headphones and right-ear headphones.
  • the present invention provides a method for detecting the wearing state of the binaural earphones. The method includes:
  • S2033. Determine whether the wearing of the left ear headset and the right ear headset is consistent according to a comparison result between the first difference value and the second difference value and a preset second threshold range corresponding to the environment type.
  • the aforementioned consistent wearing of the earphones means that the posture of the left ear headphones relative to the left ear is similar to that of the right ear headphones relative to the right ear. Conversely, if the posture of the left ear headset relative to the left ear is different from the posture of the right ear headset relative to the right ear, it means that the left ear headset and the right ear headset are inconsistently worn.
  • the pose here may include position and / or attitude.
  • the value of the second threshold range may also be different. The specific determination process for the second threshold range is as follows.
  • the second threshold range corresponding to the noise environment type is determined as follows:
  • the user wears the headset so that the headset is in an ideal wearing state and the left and right ear headsets are worn consistently.
  • the speaker in the headset plays audio signals or does not play audio signals.
  • the method for determining the left ear earphone standard value a and the right ear earphone standard value a is the same as the method for determining the standard value a involved in the first threshold range when the environment type is a noise environment type.
  • an acceptable difference range ⁇ Ndiff (LR) is determined and ⁇ Ndiff (LR) is used as the second threshold value range corresponding to the noise environment type.
  • ⁇ Ndiff (LR) is an interval (aa-3dB, aa + 3dB).
  • the second threshold range corresponding to the non-noise environment type is determined as follows:
  • the user wears the headset so that the headset is in an ideal wearing state and the left and right ear headsets are worn consistently.
  • the speakers in the headphones play audio signals.
  • the audio signal to be played may be a frequency sweep signal, pink noise, or white noise.
  • the method for determining the left-ear earphone standard value b and the right-ear earphone standard value b is the same as the above-mentioned method for determining the standard value b involved in the first threshold range when the environment type is a non-noise environment type.
  • an acceptable difference range ⁇ Sdiff (LR) is determined and ⁇ Sdiff (LR) is used as the second threshold value range corresponding to the non-noise environment type.
  • ⁇ Sdiff (LR) is an interval (bb-3dB, bb + 3dB).
  • the method for detecting the wearing status of the binaural headphones provided in this embodiment can not only detect whether the left ear headphones and the right ear headphones are qualified to be worn, but also the left ear headphones and the right ear headphones.
  • the consistency check can improve the user experience.
  • the headset in order to promptly and effectively inform the user of the wearing state of the headset, so as to prompt the user to adjust the posture of the headset, the headset prompts the specific wearing state after determining whether the wearing of the headset is qualified. That is, after the above S103 and / or S2031-S2032, the following steps are further included:
  • the voices indicating that the earphones are qualified may be output through voice, for example, “Left earphones are not qualified”, “Earphones are not qualified”, and “Earphones are inconsistently worn”.
  • the present invention provides a headset, as shown in FIG. 2, including: a memory and a processor, the memory stores right computer instructions; and the processor implements the following steps when the computer program is executed:
  • the environment type includes a noisy environment type and a non-noise environment type; when the headset is in a non-noise environment type, the headset plays a preset audio signal;
  • the feedforward sound pressure is the sound pressure of the sound signal picked up by the feedforward microphone of the earphone, The sound pressure of the sound signal picked up by the feedback microphone of the headset;
  • the earphone includes a left ear earphone and a right ear earphone
  • the processor also implements the following steps when the computer program is executed:
  • the processor executes the computer program to further implement the following steps:
  • the earphone is in a noise environment type; if the sound pressure of the sound signal picked up by the feedforward microphone is not greater than the third threshold, it is determined that the earphone is in a non-noise environment Types of.
  • the processor executes the computer program to further implement the following steps:
  • the input command indicates that the type of environment in which the headset is located is a noisy environment type, determine that the type of environment in which the headset is located is a type of noise environment; if the input command indicates that the type of environment where the headset is located is a non-noise environment type, determine that the type of environment in which the headset is located is non Noise environment type.
  • the processor executes the computer program to further implement the following steps:
  • the preset audio signal is a frequency sweep signal, pink noise, or white noise.
  • the present invention provides a headset, as shown in FIG. 3, including a speaker, a feedforward microphone, a feedback microphone, a memory, and a processor, wherein:
  • Feedforward microphone for picking up sound signals outside the back cavity of the headset
  • the processor is respectively connected to the feedforward microphone and the feedback microphone to obtain a sound signal picked up by the feedforward microphone and a sound signal picked up by the feedback microphone;
  • Memory for storing preset audio signals
  • the processor is respectively connected to the speaker and the memory to control the speaker to play a preset audio signal when the headset is in a non-noise environment type.
  • the aforementioned feedforward microphone includes a feedforward microphone of a left ear headset and a feedforward microphone of a right ear headset
  • the feedback microphone includes a feedback microphone of a left ear headset and a right ear headset.
  • Feedback microphone, speakers include: the left ear headphones and right ear headphones;
  • the feedforward microphone of the left ear headset is used to pick up the sound signal outside the back cavity of the left ear headset;
  • the feedforward microphone of the right ear headset is used to pick up the sound signal outside the back cavity of the right ear headset;
  • the feedback microphone of the left ear headset is used to pick up the sound signal in the front cavity of the left ear headset;
  • the feedback microphone of the right ear headset is used to pick up the sound signal in the front cavity of the right ear headset;
  • the processor is respectively connected to the feedforward microphone of the left ear headset and the feedforward microphone of the right ear headset, the feedback microphone of the left ear headset, and the feedback microphone of the right ear headset to obtain the feedforward microphone of the left ear headset and Feedback microphone, feedback microphone for left ear headphones, and feedback microphone for right ear headphones;
  • the processor is respectively connected to the speaker of the left ear headset and the speaker of the right ear headset to control the speaker of the left ear headset to play a preset audio signal when the left ear headset is in a non-noise environment type, and / or the right ear headset When in a non-noise environment type, control the speaker of the right ear headset to play a preset audio signal.
  • the headset further includes an environment type setting device connected to the processor, and the environment type setting device is used for a user to set the environment type.
  • the invention may be a computer program product.
  • the computer program product may include a computer-readable storage medium having computer-readable program instructions for causing a processor to implement various aspects of the present invention.
  • the computer-readable storage medium may be a tangible device that can hold and store instructions used by the instruction execution device.
  • the computer-readable storage medium may be, for example, but not limited to, an electric storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing.
  • Non-exhaustive list of computer-readable storage media include: portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM) Or flash memory), static random access memory (SRAM), portable compact disc read only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical encoding device, such as a printer with instructions stored thereon A protruding structure in the hole card or groove, and any suitable combination of the above.
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read-only memory
  • flash memory flash memory
  • SRAM static random access memory
  • CD-ROM compact disc read only memory
  • DVD digital versatile disc
  • memory stick floppy disk
  • mechanical encoding device such as a printer with instructions stored thereon A protruding structure in the hole card or groove, and any suitable combination of the above.
  • Computer-readable storage media used herein are not to be interpreted as transient signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (for example, light pulses through fiber optic cables), or via electrical wires Electrical signal transmitted.
  • the computer-readable program instructions described herein can be downloaded from a computer-readable storage medium to various computing / processing devices, or downloaded to an external computer or external storage device via a network, such as the Internet, a local area network, a wide area network, and / or a wireless network.
  • the network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers, and / or edge servers.
  • the network adapter card or network interface in each computing / processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in each computing / processing device .
  • the computer program instructions for performing the operations of the present invention may be assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine related instructions, microcode, firmware instructions, state setting data, or in one or more programming languages.
  • the programming languages include object-oriented programming languages—such as Smalltalk, C ++, and the like—and conventional procedural programming languages—such as the "C" language or similar programming languages.
  • Computer-readable program instructions may be executed entirely on a user's computer, partly on a user's computer, as a stand-alone software package, partly on a user's computer, partly on a remote computer, or entirely on a remote computer or server carried out.
  • the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through an Internet service provider using the Internet connection).
  • LAN local area network
  • WAN wide area network
  • an electronic circuit such as a programmable logic circuit, a field-programmable gate array (FPGA), or a programmable logic array (PLA), can be personalized by using state information of computer-readable program instructions.
  • FPGA field-programmable gate array
  • PDA programmable logic array
  • the electronic circuit can Computer-readable program instructions are executed to implement various aspects of the invention.
  • These computer-readable program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, or other programmable data processing device, thereby producing a machine such that when executed by a processor of a computer or other programmable data processing device , Means for implementing the functions / actions specified in one or more blocks in the flowcharts and / or block diagrams.
  • These computer-readable program instructions may also be stored in a computer-readable storage medium, and these instructions cause a computer, a programmable data processing apparatus, and / or other devices to work in a specific manner. Therefore, a computer-readable medium storing instructions includes: An article of manufacture that includes instructions to implement various aspects of the functions / acts specified in one or more blocks in the flowcharts and / or block diagrams.
  • Computer-readable program instructions can also be loaded onto a computer, other programmable data processing device, or other device, so that a series of operating steps can be performed on the computer, other programmable data processing device, or other device to produce a computer-implemented process , So that the instructions executed on the computer, other programmable data processing apparatus, or other equipment can implement the functions / actions specified in one or more blocks in the flowchart and / or block diagram.
  • each block in the flowchart or block diagram may represent a module, a program segment, or a part of an instruction, which contains one or more components for implementing a specified logical function.
  • Executable instructions may also occur in a different order than those marked in the drawings. For example, two consecutive blocks may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved.
  • each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts can be implemented in a dedicated hardware-based system that performs the specified function or action. , Or it can be implemented with a combination of dedicated hardware and computer instructions. It is well known to those skilled in the art that the implementation by hardware, the implementation by software, and the implementation by combination of software and hardware are all equivalent.

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Abstract

本发明公开了一种检测耳机佩戴状态的方法和装置、以及耳机。所述方法包括：获取耳机所处的环境类型，环境类型包括噪声环境类型和非噪声环境类型；当耳机处于非噪声环境类型时，耳机播放预设的音频信号；获取耳机的前馈声压和反馈声压，以确定前馈声压和所述反馈声压的差值；其中，前馈声压为耳机的前馈麦克风拾取的声音信号的声压，反馈声压为所述耳机的反馈麦克风拾取的声音信号的声压；根据差值与预设的与环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格。

Description

检测耳机佩戴状态的方法、装置及耳机
本申请要求于2018年8月16日提交中国专利局、申请号为201810937202.7、发明名称为“检测耳机佩戴状态的方法、装置及耳机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及声学技术领域，更具体地，涉及一种检测耳机佩戴状态的方法、装置及耳机。
背景技术
随着生活水平的提高，耳机已经成为人们日常生活和工作中必不可少的电子设备。对于降噪耳机，在使用耳机的过程中，耳机将电信号转换成声信号，同时还可以对外界噪声进行主动降噪处理。
目前，耳机在进行主动降噪时，通常分为前馈降噪、反馈降噪以及两者组合的混合降噪这三种降噪方式。其中，利用反馈降噪方式的耳机的降噪效果以及音质与用户佩戴耳机的状态有关。具体的，当用户佩戴耳机方式正确时，即佩戴耦合良好时，耳机的降噪效果良好。同时耳机中扬声器的低频响应良好，即耳机的音质良好。当用户佩戴耳机方式不正确时，即佩戴耦合较差时，耳机的降噪效果差，同时耳机的音质也比较差。
综上所述，为了提高耳机的降噪效果以及音质，对耳机佩戴耦合状态进行检测成为亟待解决的问题。
发明内容
本发明的一个目的是提供一种检测耳机佩戴状态的方法、装置及耳机，能够对耳机的佩戴状态进行检测。
根据本发明的第一方面，提供了一种检测耳机佩戴状态的方法，包括：
获取耳机所处环境的环境类型，所述环境类型包括噪声环境类型和非噪 声环境类型；当所述耳机处于非噪声环境类型时，所述耳机播放预设的音频信号；
获取所述耳机的前馈声压和反馈声压，以确定所述前馈声压和所述反馈声压的差值；其中，所述前馈声压为所述耳机的前馈麦克风拾取的声音信号的声压，所述反馈声压为所述耳机的反馈麦克风拾取的声音信号的声压；
根据所述差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格。
可选地，所述耳机包括左耳耳机和右耳耳机，所述获取所述耳机的前馈声压和反馈声压，以确定所述前馈声压和反馈声压的差值，包括：
获取所述左耳耳机的前馈声压和反馈声压，以确定所述左耳耳机的前馈声压和反馈声压的第一差值；
获取所述右耳耳机的前馈声压和反馈声压，以确定所述右耳耳机的前馈声压和反馈声压的第二差值；
所述根据所述差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格，包括：
根据所述第一差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述左耳耳机的佩戴是否合格；
根据所述第二差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述右耳耳机的佩戴是否合格；
和/或，根据所述第一差值与第二差值之间的差值，与预设的与所述环境类型对应的第二阈值范围的比较结果，确定所述左耳耳机与所述右耳耳机的佩戴是否一致。
可选地，所述获取耳机所处的环境类型，包括：
根据所述前馈麦克风拾取的声音信号的声压与预设的第三阈值的比较结果，确定所述耳机所处的环境类型；
其中，若所述前馈麦克风拾取的声音信号的声压大于所述第三阈值，则确定所述耳机处于噪音环境类型；若所述前馈麦克风拾取的声音信号的声压不大于所述第三阈值，则确定所述耳机处于非噪音环境类型。
可选地，所述获取耳机所处的环境类型，包括：
获取输入指令；
若所述输入指令表征所述耳机所处环境类型为噪音环境类型，则确定所述耳机所处环境类型为噪音环境类型；若所述输入指令表征所述耳机所处环境类型为非噪声环境类型，则确定所述耳机所处环境类型为非噪音环境类型。
可选地，所述方法还包括：输出与所述耳机佩戴是否合格对应的提示信息。
可选地，所述预设的音频信号为扫频信号、粉噪声或白噪声。
根据本发明的第二方面，还提供了一种检测耳机佩戴状态的装置，包括存储器和处理器，所述存储器存储有计算机程序，所述处理器执行所述计算机程序时实现前述任一项所述的检测耳机佩戴状态的方法。
根据本发明的第三方面，提供了一种耳机，包括喇叭、前馈麦克风、反馈麦克风、以及根据前述所述的检测耳机佩戴状态的装置；
所述前馈麦克风，用于拾取所述耳机后腔外的声音信号；
所述反馈麦克风，用于拾取所述耳机前腔内的声音信号；
所述处理器分别与所述前馈麦克风、所述反馈麦克风连接，以获取所述前馈麦克风拾取的声音信号和所述反馈麦麦克风拾取的声音信号；
所述处理器与所述喇叭连接，以当所述耳机处于非噪声环境类型时，控制所述喇叭播放预设的音频信号。
可选地，所述耳机还包括与所述处理器连接的环境类型设置装置，所述环境类型设置装置用于供用户设置所述环境类型。
本发明实施例提供的检测耳机佩戴状态的方法、装置及耳机，可用于检测用户是否正确佩戴耳机，以提高耳机与人耳的耦合程度，从而提高耳机的降噪效果和音质。
通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍。应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定。对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1是本发明实施例提供的检测耳机佩戴状态的方法的流程示意图；
图2是本发明实施例提供的检测耳机佩戴状态的装置的框图；
图3是本发明一个实施例提供的耳机的结构示意图；
图4是本发明另一个实施例提供的耳机结构示意图。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例子可以具有不同的值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
本发明实施例提供的检测耳机佩戴状态的方法的执行主体为检测耳机佩戴状态的装置。该装置可以为各种耳机，例如蓝牙耳机、头戴式耳机以及入耳式耳机等。此外，耳机可以为单耳耳机，也可以为双耳耳机。该装置还可以为包含耳机的各种电子设备，例如手机等电子设备。或者，该装置还可以为耳机或者前述电子设备中的硬件模块和/或软件模块。需要说明的是，下述实施例中将以耳机作为检测耳机佩戴状态的方法的执行主体，对本申请提供的方法进行说明。
如图1所示的检测耳机佩戴状态的方法的流程示意图，该方法包括如下步骤：
S101、获取耳机所处环境的环境类型，所述环境类型包括噪声环境类型和非噪声环境类型；当耳机处于非噪声环境类型时，耳机播放预设的音频信号。
具体的，在用户使用耳机的实际应用场景中，外界环境可能是比较安静 的，也可能比较嘈杂的。本发明实施例设置了两种环境类型，包括噪声环境类型(对应于较为嘈杂的环境)和非噪声环境类型(对应于较为安静的环境)。为了确定出耳机所处环境的环境类型，可选的,通过下述两种方式实现所处环境类型的获取：
方式一：
根据前馈麦克风拾取的声音信号的声压与预设的第三阈值的比较结果，确定耳机所处的环境类型。其中，若前馈麦克风拾取的声音信号的声压大于第三阈值，则确定耳机处于噪音环境类型；若前馈麦克风拾取的声音信号的声压不大于第三阈值，则确定耳机处于非噪音环境类型。
具体的，若耳机为单耳耳机，基于上述方式一获取耳机所处环境的环境类型时，耳机对耳机的前馈麦克风拾取到声音信号的声压进行检测，得到前馈声压。耳机将该前馈声压与第三阈值进行比较，若该声压大于第三阈值，则确定耳机处于噪音环境类型。相反的，则确定耳机处于非噪音环境类型。
若耳机为双耳耳机，基于上述方式一获取耳机所处的环境类型时，耳机可通过左耳耳机，或者右耳耳机中的任一个中的前馈麦克风拾取到的声音信号的声压，按照上述单耳耳机确定耳机所处的环境类型的方法，以确定双耳耳机所处的环境类型。当然，也可以根据左耳耳机和右耳耳机中的两个前馈麦克风拾取到的信号的声压，确定耳机所处的环境类型。具体的，耳机检测左耳耳机和右耳耳机中前馈麦克风拾取到的声音信号的声压，根据这两个声压的平均值或者较大值与第三阈值进行比较的结果，确定耳机所处环境的环境类型。
需要说明的是，上述的第三阈值可以由人为进行设定。在一个具体的例子中，第三阈值可以设置为40dB。
方式二：
获取输入指令；若输入指令表征耳机所处环境类型为噪音环境类型，则确定耳机所处环境类型为噪音环境类型；若输入指令表征耳机所处环境类型为非噪声环境类型，则确定耳机所处环境类型为非噪音环境类型。
具体的，上述的输入指令为耳机用户输入的指令。用户通过对外界环境的感知，确定耳机所处环境的环境类型为噪声环境类型还是非噪声环境类型。用户向耳机输入指令可以通过耳机上的相关按钮实现。例如，当用户按下按 钮，使得按钮被按下，此时用户向耳机输入耳机所处环境类型为噪声环境类型的输入指令；当用户再次按压按钮，使得按钮被弹上，此时用户向耳机输入耳机所处环境类型为非噪声环境类型的输入指令。当然，也可以通过其他方式实现指令输入，例如通过拨动开关实现指令输入等。对此，本发明实施例不做限定。
基于上述的两种实现方式，当确定耳机所处的环境类型为非噪声环境类型时，耳机播放预设的音频信号。当确定耳机所处的环境类型为噪声环境类型时，耳机可播放预设的音频信号，也可不播放预设的音频信号。可选的，为了更好的模拟真实噪声环境，上述预设的音频信号可以为扫频信号、粉噪声或白噪声等。当然，上述预设的音频信号也可以为一段音乐等。
S102、获取耳机的前馈声压和反馈声压，以确定前馈声压和所述反馈声压的差值。
其中，所述前馈声压为耳机的前馈麦克风拾取的声音信号的声压，所述反馈声压为耳机的反馈麦克风拾取的声音信号的声压。
具体的，上述的前馈声压和反馈声压是指同一侧耳机的前馈麦克风和反馈麦克风拾取到的声音信号的声压。在实现上述步骤S102时，耳机对麦克风拾取到的声音信号进行信号处理，以获取耳机的前馈声压和反馈声压。
S103、根据所述差值与预设的与环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格。
具体的，在计算上述差值时，可以通过同一侧耳机的前馈声压减去反馈声压的方式计算上述差值，也可以通过同一侧耳机的反馈声压减去前馈声压的方式计算上述差值。耳机佩戴合格是指，噪声对耳机播放声音信号的影响在用户可接受的范围之内。相对的，耳机佩戴不合格是指，噪声对耳机播放声音信号的影响超出了用户可接受的范围，不能让用户满意。此外，当环境类型不同以及上述差值计算过程不同时，第一阈值范围的取值也不相同。关于第一阈值范围的具体确定过程如下述内容。
当环境类型为噪声环境类型时，与噪声环境类型对应的第一阈值范围的确定方式如下：
用户佩戴耳机，使耳机处于理想佩戴状态。以头戴式耳机为例，理想佩 戴状态指的是，用户的耳道口处于耳罩的正中。耳机中的喇叭播放预设的音频信号，或者不播放音频信号。该预设的音频信号可以为扫频信号、粉噪声或者白噪声等。
获取位于同一侧耳机的前馈麦克风和反馈麦克风拾取到的声音信号的声压，记为前馈声压N(FF)standard和反馈声压N(FB)standard。
计算前馈声压N(FF)standard和反馈声压N(FB)standard的差值△Nstandard，并记为标准值a。
根据上述标准值a，确定耳机所处环境类型为噪声环境类型且处于理想佩戴状态时，前馈声压和反馈声压的差值的可接受范围△Ndiff，并将△Ndiff作为与噪声环境对应的第一阈值范围。在一个具体的例子中，△Ndiff为区间(a-3dB，a+3dB)。
需要说明的是，当环境类型为噪声环境类型，且第一阈值范围为在耳机中喇叭播放音频信号的情况下确定的，则在执行上述S101-S103过程中，当耳机所处的环境类型为噪音环境类型时，耳机中的喇叭优选播放同样的音频信号。对应的，当环境类型为噪声环境类型，且第一阈值范围为在耳机中喇叭不播放音频信号的情况下确定的，在执行上述S101-S103的过程中，当耳机所处的环境类型为噪声环境类型时，耳机中的喇叭优选不播放音频信号。此外，当标准值a为前馈声压减去反馈声压时，S102中确定的差值也为前馈声压减去反馈声压。当标准值a为反馈声压减去前馈声压时，S102中确定的差值也为反馈声压减去前馈声压。
当环境类型为非噪声环境类型时，与非噪声环境类型对应的第一阈值范围的确定方式如下：
用户佩戴耳机，使耳机处于理想佩戴状态。耳机中的喇叭播放预设的音频信号。该预设的音频信号可以为扫频信号、粉噪声或者白噪声等。
获取位于同一侧耳机的前馈麦克风和反馈麦克风拾取到的声音信号的声压，记为前馈声压S(FF)standard和反馈声压S(FB)standard。
计算前馈声压S(FF)standard和反馈声压S(FB)standard的差值△Sstandard，并记为标准值b。
根据上述标准值b，确定耳机所处环境类型为非噪声环境类型且处于理想佩戴状态时，前馈声压和反馈声压差值的可接受的差异范围△Sdiff，并将△ Sdiff作为与非噪声环境对应的第一阈值范围。在一个具体的例子中，△Sdiff为区间(b-3dB，b+3dB)。
需要说明的是，当标准值b为前馈声压减去反馈声压时，S102中确定的差值也为前馈声压减去反馈声压。当标准值b为反馈声压减去前馈声压时，S102中确定的差值也为反馈声压减去前馈声压。
在实现上述S103时，当耳机为单耳耳机时，首先根据S101确定出的环境类型，选择与确定出的环境类型相对应的第一阈值范围；然后将S103中的差值与对应环境类型的第一阈值范围进行比较；当该差值超出第一阈值范围时，则确定耳机佩戴不合格，对应的，当该差值处于第一阈值范围内时，则确定耳机佩戴合适。当耳机为双耳耳机时，可根据任一侧的耳机按照上述方法，确定该一侧耳机的佩戴是否合适，并将该结果作为双耳耳机的佩戴状态。
本发明提供的检测耳机佩戴状态的方法，能够利用耳机自身的硬件装置，对耳机的佩戴状态进行检测。基于此，用户可根据检测结果确定是否需要调整耳机的位姿，从而可提高耳机与人耳的耦合程度，进一步的提高耳机的降噪效果和音质。
在实际生活中，双耳耳机较单耳耳机应用更为广泛。其中，双耳耳机包括左耳耳机和右耳耳机。为了精准的判断双耳耳机中的每一侧的耳机是否佩戴合格，在上述实施中S102和S103的基础上，本发明提供了一种检测双耳耳机佩戴状态的方法，该方法包括：
S201、获取左耳耳机的前馈声压和反馈声压，以确定左耳耳机的前馈声压和反馈声压的第一差值。
S202、获取右耳耳机的前馈声压和反馈声压，以确定右耳耳机的前馈声压和反馈声压的第二差值。
具体的，上述S201和S202的具体实现方法与上述S102的实现相同，这里不再赘述。
基于上述内容，上述S103被替换为：
S2031、根据第一差值与预设的与环境类型对应的第一阈值范围的比较结果，确定左耳耳机的佩戴是否合格。
S2032、根据第二差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定右耳耳机的佩戴是否合格。
具体的，上述S2031和S2032的实现与上述S103的实现相同，这里不再赘述。
S2033、根据第一差值与第二差值之间的差值，与预设的与环境类型对应第二阈值范围的比较结果，确定左耳耳机与右耳耳机的佩戴是否一致。
具体的，上述的耳机佩戴一致指的是，左耳耳机相对于左耳的位姿与右耳耳机相对于右耳的位姿相似。反之，如果左耳耳机相对于左耳的位姿与右耳耳机相对于右耳的位姿不相似，则说明左耳耳机与右耳耳机佩戴不一致。这里的位姿可以包括位置和/或姿态。此外，当环境类型不同时，第二阈值范围的取值也可以不相同，关于第二阈值范围的具体确定过程如下述内容。
当环境类型为噪声环境类型时，与噪声环境类型对应的第二阈值范围的确定方式如下：
用户佩戴耳机，使耳机处于理想佩戴状态并且左右耳耳机的佩戴一致。耳机中的喇叭播放音频信号，或者不播放音频信号。
计算左耳耳机标准值a和右耳耳机标准值a的差值，记为标准差值aa。其中，左耳耳机标准值a和右耳耳机标准值a的确定方法，与上述当环境类型为噪声环境类型时，确定第一阈值范围的过程中涉及的标准值a的方法相同。
根据上述标准差值aa，确定可接受的差异范围△Ndiff(LR)并将△Ndiff(LR)作为与噪声环境类型对应的第二阈值范围。在一个具体的例子中，△Ndiff(LR)为区间(aa-3dB，aa+3dB)。
当环境类型为非噪声环境类型时，与非噪声环境类型对应的第二阈值范围的确定方式如下：
用户佩戴耳机，使耳机处于理想佩戴状态并且左右耳耳机的佩戴一致。耳机中的喇叭播放音频信号。其中，播放的音频信号可以为扫频信号、粉噪声或者白噪声等。
计算左耳耳机标准值b和右耳耳机标准值b的差值，记为标准差值bb。其中，左耳耳机标准值b和右耳耳机标准值b的确定方法，与上述当环境类型为非噪声环境类型时，确定第一阈值范围的过程中涉及的标准值b的方法相同。
根据上述标准差值bb，确定可接受的差异范围△Sdiff(LR)并将△Sdiff (LR)作为与非噪声环境类型对应的第二阈值范围。在一个具体例子中△Sdiff(LR)为区间(bb-3dB，bb+3dB)。
在实现上述S2033时，若第一差值与第二差值之间的差值，在第二阈值范围内时，则确定左耳耳机和右耳耳机佩戴一致。反之，若第一差值与第二差值之间的差值，超出第二阈值范围时，确定左耳耳机和右耳耳机佩戴不一致。
基于上述内容可知，本实施例中提供的检测双耳耳机佩戴状态的方法，不仅仅可以实现对左耳耳机和右耳耳机佩戴是否合格的检测，还可实现对左耳耳机和右耳耳机佩戴是否一致的检测，从而可提高用户的使用体验度。
在一种实施例中，为了及时有效的告知用户耳机的佩戴状态，以促使用户调整耳机的位姿，耳机在确定自身的佩戴是否合格之后，对具体佩戴状态进行相应的提示。也就是说，在上述S103，和/或S2031-S2032之后，还包括如下步骤：
S104、输出与耳机佩戴是否合格对应的提示信息。
具体的，在确定耳机佩戴不合格时，可通过语音的方式，输出表征佩戴合格的语音，例如“左耳耳机佩戴不合格”、“耳机佩戴不合格”以及“耳机佩戴不一致”等。当然，也可以通过灯光闪烁、不同颜色的灯光等方式进行提示。
在一种实施例中，本发明提供一种耳机，如图2所示，包括：储存器和处理器，存储器存储右计算机指令；处理器执行计算机程序时实现以下步骤：
获取耳机所处的环境类型，环境类型包括噪声环境类型和非噪声环境类型；当耳机处于非噪声环境类型时，耳机播放预设的音频信号；
获取耳机的前馈声压和反馈声压，以确定前馈声压和反馈声压的差值；其中，前馈声压为耳机的前馈麦克风拾取的声音信号的声压，反馈声压为耳机的反馈麦克风拾取的声音信号的声压；
根据差值与预设的与环境类型对应的第一阈值范围的比较结果，确定耳机的佩戴是否合格。
在一个实施例中，耳机包括左耳耳机和右耳耳机，处理器执行计算机程序时还实现以下步骤：
获取左耳耳机的前馈声压和反馈声压，以确定左耳耳机的前馈声压和反馈声压的第一差值；
获取右耳耳机的前馈声压和反馈声压，以确定右耳耳机的前馈声压和反馈声压的第二差值；
根据第一差值与预设的与环境类型对应的第一阈值范围的比较结果，确定左耳耳机的佩戴是否合格；
根据第二差值与预设的与环境类型对应的第一阈值范围的比较结果，确定右耳耳机的佩戴是否合格；
和/或，根据第一差值与第二差值之间的差值，与预设的与环境类型对应第二阈值范围的比较结果，确定左耳耳机与右耳耳机的佩戴是否一致。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
根据前馈麦克风拾取的声音信号的声压与预设的第三阈值的比较结果，确定耳机所处的环境类型；
其中，若前馈麦克风拾取的声音信号的声压大于第三阈值，则确定耳机处于噪音环境类型；若前馈麦克风拾取的声音信号的声压不大于第三阈值，则确定耳机处于非噪音环境类型。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
获取输入指令；
若输入指令表征耳机所处环境类型为噪音环境类型，则确定耳机所处环境类型为噪音环境类型；若输入指令表征耳机所处环境类型为非噪声环境类型，则确定耳机所处环境类型为非噪音环境类型。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
输出与耳机佩戴是否合格对应的提示信息。
在一个实施例中，预设的音频信号为扫频信号、粉噪声或白噪声。
在一种实施例中，本发明提供一种耳机，如图3所示，包括：喇叭、前馈麦克风、反馈麦克风、存储器和处理器，其中：
前馈麦克风，用于拾取耳机后腔外的声音信号；
反馈麦克风，用于拾取耳机前腔内的声音信号；
处理器分别与前馈麦克风、反馈麦克风连接，以获取前馈麦克风拾取的声音信号和反馈麦麦克风拾取的声音信号；
存储器，用于存储预设的音频信号；
处理器分别与喇叭、存储器连接，以当耳机处于非噪声环境类型时，控制喇叭播放预设的音频信号。
在一种实施例中，如图4所示，上述的前馈麦克风包括：左耳耳机的前馈麦克风和右耳耳机的前馈麦克风，反馈麦克风包括：左耳耳机的反馈麦克风和右耳耳机的反馈麦克风，喇叭包括：左耳耳机的喇叭和右耳耳机的喇叭；
左耳耳机的前馈麦克风，用于拾取左耳耳机后腔外的声音信号；右耳耳机的前馈麦克风，用于拾取右耳耳机后腔外的声音信号；
左耳耳机的反馈麦克风，用于拾取左耳耳机前腔内的声音信号；所述右耳耳机的反馈麦克风，用于拾取右耳耳机前腔内的声音信号；
处理器分别与左耳耳机的前馈麦克风和右耳耳机的前馈麦克风、左耳耳机的反馈麦克风和右耳耳机的反馈麦克风连接，以获取左耳耳机的前馈麦克风、右耳耳机的前馈麦克风、左耳耳机的反馈麦克风以及右耳耳机的反馈麦麦克风；
处理器分别与左耳耳机的喇叭和右耳耳机的喇叭连接，以当左耳耳机处于非噪声环境类型时，控制左耳耳机的喇叭播放预设的音频信号，和/或以当右耳耳机处于非噪声环境类型时，控制右耳耳机的喇叭播放预设的音频信号。
在一个实施例中，所述耳机还包括与处理器连接的环境类型设置装置，该环境类型设置装置用于供用户设置所述环境类型。
本发明可以是计算机程序产品。计算机程序产品可以包括计算机可读存储介质，其上载有用于使处理器实现本发明的各个方面的计算机可读程序指令。
计算机可读存储介质可以是可以保持和存储由指令执行设备使用的指令的有形设备。计算机可读存储介质例如可以是但不限于电存储设备、磁存储设备、光存储设备、电磁存储设备、半导体存储设备或者上述的任意合适的组合。计算机可读存储介质的更具体的例子(非穷举的列表)包括：便携式计算机盘、硬盘、随机存取存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、静态随机存取存储器(SRAM)、便携式压缩盘只读存储器(CD-ROM)、数字多功能盘(DVD)、记忆棒、软盘、机械编码设备、例如其上存储有指令的打孔卡或凹槽内凸起结构、以及 上述的任意合适的组合。这里所使用的计算机可读存储介质不被解释为瞬时信号本身，诸如无线电波或者其他自由传播的电磁波、通过波导或其他传输媒介传播的电磁波(例如，通过光纤电缆的光脉冲)、或者通过电线传输的电信号。
这里所描述的计算机可读程序指令可以从计算机可读存储介质下载到各个计算/处理设备，或者通过网络、例如因特网、局域网、广域网和/或无线网下载到外部计算机或外部存储设备。网络可以包括铜传输电缆、光纤传输、无线传输、路由器、防火墙、交换机、网关计算机和/或边缘服务器。每个计算/处理设备中的网络适配卡或者网络接口从网络接收计算机可读程序指令，并转发该计算机可读程序指令，以供存储在各个计算/处理设备中的计算机可读存储介质中。
用于执行本发明操作的计算机程序指令可以是汇编指令、指令集架构(ISA)指令、机器指令、机器相关指令、微代码、固件指令、状态设置数据、或者以一种或多种编程语言的任意组合编写的源代码或目标代码，所述编程语言包括面向对象的编程语言—诸如Smalltalk、C++等，以及常规的过程式编程语言—诸如“C”语言或类似的编程语言。计算机可读程序指令可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络—包括局域网(LAN)或广域网(WAN)—连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。在一些实施例中，通过利用计算机可读程序指令的状态信息来个性化定制电子电路，例如可编程逻辑电路、现场可编程门阵列(FPGA)或可编程逻辑阵列(PLA)，该电子电路可以执行计算机可读程序指令，从而实现本发明的各个方面。
这里参照根据本发明实施例的方法、装置(***)和计算机程序产品的流程图和/或框图描述了本发明的各个方面。应当理解，流程图和/或框图的每个方框以及流程图和/或框图中各方框的组合，都可以由计算机可读程序指令实现。
这些计算机可读程序指令可以提供给通用计算机、专用计算机或其它可 编程数据处理装置的处理器，从而生产出一种机器，使得这些指令在通过计算机或其它可编程数据处理装置的处理器执行时，产生了实现流程图和/或框图中的一个或多个方框中规定的功能/动作的装置。也可以把这些计算机可读程序指令存储在计算机可读存储介质中，这些指令使得计算机、可编程数据处理装置和/或其他设备以特定方式工作，从而，存储有指令的计算机可读介质则包括一个制造品，其包括实现流程图和/或框图中的一个或多个方框中规定的功能/动作的各个方面的指令。
也可以把计算机可读程序指令加载到计算机、其它可编程数据处理装置、或其它设备上，使得在计算机、其它可编程数据处理装置或其它设备上执行一系列操作步骤，以产生计算机实现的过程，从而使得在计算机、其它可编程数据处理装置、或其它设备上执行的指令实现流程图和/或框图中的一个或多个方框中规定的功能/动作。
附图中的流程图和框图显示了根据本发明的多个实施例的***、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段或指令的一部分，所述模块、程序段或指令的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个连续的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或动作的专用的基于硬件的***来实现，或者可以用专用硬件与计算机指令的组合来实现。对于本领域技术人员来说公知的是，通过硬件方式实现、通过软件方式实现以及通过软件和硬件结合的方式实现都是等价的。
以上已经描述了本发明的各实施例，上述说明是示例性的，并非穷尽性的，并且也不限于所披露的各实施例。在不偏离所说明的各实施例的范围和精神的情况下，对于本技术领域的普通技术人员来说许多修改和变更都是显而易见的。本文中所用术语的选择，旨在最好地解释各实施例的原理、实际应用或对市场中的技术改进，或者使本技术领域的其它普通技术人员能理解本文披露的各实施例。本发明的范围由所附权利要求来限定。

Claims (11)

  1. 一种检测耳机佩戴状态的方法，其特征在于，包括：
    获取耳机所处环境的环境类型，所述环境类型包括噪声环境类型和非噪声环境类型；当所述耳机处于非噪声环境类型时，所述耳机播放预设的音频信号；
    获取所述耳机的前馈声压和反馈声压，以确定所述前馈声压和所述反馈声压的差值；其中，所述前馈声压为所述耳机的前馈麦克风拾取的声音信号的声压，所述反馈声压为所述耳机的反馈麦克风拾取的声音信号的声压；
    根据所述差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格。
  2. 根据权利要求1所述的方法，其特征在于，所述耳机包括左耳耳机和右耳耳机，所述获取所述耳机的前馈声压和反馈声压，以确定所述前馈声压和反馈声压的差值，包括：
    获取所述左耳耳机的前馈声压和反馈声压，以确定所述左耳耳机的前馈声压和反馈声压的第一差值；
    获取所述右耳耳机的前馈声压和反馈声压，以确定所述右耳耳机的前馈声压和反馈声压的第二差值；
    所述根据所述差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述耳机的佩戴是否合格，包括：
    根据所述第一差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述左耳耳机的佩戴是否合格；
    根据所述第二差值与预设的与所述环境类型对应的第一阈值范围的比较结果，确定所述右耳耳机的佩戴是否合格；
    和/或，根据所述第一差值与第二差值之间的差值，与预设的与所述环境类型对应的第二阈值范围的比较结果，确定所述左耳耳机与所述右耳耳机的佩戴是否一致。
  3. 根据权利要求1或2所述的方法，其特征在于，所述获取耳机所处的环境类型，包括：
    根据所述前馈麦克风拾取的声音信号的声压与预设的第三阈值的比较结 果，确定所述耳机所处的环境类型；
    其中，若所述前馈麦克风拾取的声音信号的声压大于所述第三阈值，则确定所述耳机处于噪音环境类型；若所述前馈麦克风拾取的声音信号的声压不大于所述第三阈值，则确定所述耳机处于非噪音环境类型。
  4. 根据权利要求3所述的方法，其特征在于，所述第三阈值为40dB。
  5. 根据权利要求1或2所述的方法，其特征在于，所述获取耳机所处的环境类型，包括：
    获取输入指令；
    若所述输入指令表征所述耳机所处环境类型为噪音环境类型，则确定所述耳机所处环境类型为噪音环境类型；若所述输入指令表征所述耳机所处环境类型为非噪声环境类型，则确定所述耳机所处环境类型为非噪音环境类型。
  6. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    输出与所述耳机佩戴是否合格对应的提示信息。
  7. 根据权利要求1所述的方法，其特征在于，所述预设的音频信号为扫频信号、粉噪声或白噪声。
  8. 一种检测耳机佩戴状态的装置，其特征在于，包括存储器和处理器，所述存储器存储有计算机程序，所述处理器执行所述计算机程序时实现权利要求1-7任一项所述的方法。
  9. 一种耳机，其特征在于，包括喇叭、前馈麦克风、反馈麦克风、以及根据权利要求7所述的装置；
    所述前馈麦克风，用于拾取所述耳机后腔外的声音信号；
    所述反馈麦克风，用于拾取所述耳机前腔内的声音信号；
    所述处理器分别与所述前馈麦克风、所述反馈麦克风连接，以获取所述前馈麦克风拾取的声音信号和所述反馈麦麦克风拾取的声音信号；
    所述处理器与所述喇叭连接，以当所述耳机处于非噪声环境类型时，控制所述喇叭播放预设的音频信号。
  10. 根据权利要求9所述的耳机，其特征在于，所述耳机还包括与所述处理器连接的环境类型设置装置，所述环境类型设置装置用于供用户设置所 述环境类型。
  11. 一种存储有计算机程序的计算机可读存储介质，其特征在于，所述计算机程序被执行时，可实现权利要求1-7任一项所述方法中的步骤。
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