CN107919132A - Ambient sound monitor method, device and earphone - Google Patents
Ambient sound monitor method, device and earphone Download PDFInfo
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- CN107919132A CN107919132A CN201711144937.6A CN201711144937A CN107919132A CN 107919132 A CN107919132 A CN 107919132A CN 201711144937 A CN201711144937 A CN 201711144937A CN 107919132 A CN107919132 A CN 107919132A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005236 sound signal Effects 0.000 claims abstract description 76
- 230000007613 environmental effect Effects 0.000 claims abstract description 68
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 238000000605 extraction Methods 0.000 claims abstract description 23
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 8
- 238000012806 monitoring device Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 241001342895 Chorus Species 0.000 claims 1
- HAORKNGNJCEJBX-UHFFFAOYSA-N cyprodinil Chemical compound N=1C(C)=CC(C2CC2)=NC=1NC1=CC=CC=C1 HAORKNGNJCEJBX-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 11
- 239000000284 extract Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Classifications
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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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a kind of ambient sound monitor method, device and earphone, belong to ear phone technology field.The described method includes：In the listen mode, environmental sound signal is obtained；Extraction meets the voice signal of preset condition from the environmental sound signal；Voice signal is mixed according to the output signal generation of the voice signal for meeting preset condition and the earphone；Export the mixing voice signal.Using the present invention, user is when using earphone, without removing earphone with regard to that can hear the sound of surrounding.
Description
【Technical field】
The present invention relates to sound processing techniques field, more particularly to a kind of ambient sound monitor method, device and earphone.
【Background technology】
Become today of mobile phone standard preparation in bluetooth, the popularity rate of earphone is higher and higher, and more and more people like using
Earphone listens to music.Music is ubiquitous, when being in such as leisure, in office, and when going sightseeing, when coming off duty by bus, aircraft fire
It can be listened to music under scene using earphone during car long-distance travel ... etc..But have on one occurred around when earphone listens to music
Cut and seem unrelated with controlling oneself, user even can't hear others and cry out the sound of oneself name.But in some scenarios, people
Be also desirable to, when putting on earphone and listening to music, can also hear the number voice of surrounding, particularly and related sound of controlling oneself, example
Such as：Multiply the sound that public transport subway is called out the stops, relatives' one's voice in speech of being in, sound of your name etc. is cried out in proprietor of an establishment colleague.
Thus, it is necessary to provide a kind of ambient sound monitor method, device and earphone, solve user in the prior art and use
When earphone listens to music, the problem of ambient sound can not be listened to.
【The content of the invention】
In view of this, it is existing to solve it is an object of the invention to provide a kind of ambient sound monitor method, device and earphone
When thering is the technical user to be listened to music using earphone, the problem of ambient sound can not be listened to.
Technical solution is as follows used by the present invention solves above-mentioned technical problem：
According to the first aspect of the invention, there is provided a kind of ambient sound monitor method, suitable for earphone, institute
The method of stating includes：
In the listen mode, environmental sound signal is obtained；
Extraction meets the voice signal of preset condition from the environmental sound signal；
Voice signal is mixed according to the output signal generation of the voice signal for meeting preset condition and the earphone；
Export the mixing voice signal.
Preferably, the acquisition environmental sound signal, including：
Receive the instruction into listening mode；
Open the microphone being arranged on the earphone case；
Obtain the environmental sound signal of the microphone pickup.
Preferably, it is described to be mixed according to the output signal generation of the voice signal for meeting preset condition and the earphone
Voice signal, including：
Judge whether the volume of the voice signal for meeting preset condition exceedes predetermined threshold value；
If so, reduce the volume of the output signal according to preset algorithm；
Output signal after reduction volume is mixed into the generation compound voice with the voice signal for meeting preset condition
Sound signal；
Otherwise, the output signal is mixed into generation institute according to original volume with the voice signal for meeting preset condition
State mixing voice signal.
Preferably, the extraction from the environmental sound signal meets the voice signal of preset condition, including：
According to preset algorithm eliminate the environmental sound signal ambient noise and reserve frequency predeterminated frequency sound
Signal.
Preferably, the extraction from the environmental sound signal meets the voice signal of preset condition, including：
The background noise of the environmental sound signal is eliminated according to preset algorithm；
Extraction meets the voice signal of preset condition, the default bar from the environmental sound signal for eliminate background noise
Part includes matching with default voice signal and/or volume reaches the threshold value of setting.
According to the second aspect of the invention, there is provided a kind of environmental sound signal monitoring device, suitable for earphone,
Described device includes：
Signal acquisition module, in the listen mode, obtaining environmental sound signal；
Signal extraction module, the voice signal of preset condition is met for being extracted from the environmental sound signal；
Sound mix module, for being given birth to according to the output signal of the voice signal for meeting preset condition and the earphone
Into mixing voice signal；
Output module, for exporting the mixing voice signal.
Preferably, described device further includes：
Command reception module, for receiving the instruction into listening mode；
Microphone control module, for opening the microphone being arranged on the earphone case；
The signal acquisition module, is additionally operable to obtain the environmental sound signal of the microphone pickup.
Preferably, the sound mix module, including：
Whether judging submodule, the volume for judging the voice signal for meeting preset condition exceed pre- gating
Limit value；
Audio mixing submodule, for when the determination result is yes, reducing the volume of the output signal according to preset algorithm, and
Output signal after reduction volume is mixed into the generation mixing voice signal with the voice signal for meeting preset condition, or
Person is used for when the judgment result is No, by the output signal according to original volume and the voice signal for meeting preset condition
Mixing generates the mixing voice signal.
Preferably, the signal extraction module, is additionally operable to eliminate the background of the environmental sound signal according to preset algorithm
The voice signal of noise and reserve frequency in predeterminated frequency.
Preferably, the signal extraction module, is additionally operable to eliminate the background of the environmental sound signal according to preset algorithm
Noise, extracts the voice signal for meeting preset condition, the preset condition from the environmental sound signal for eliminate background noise
Including matching with default voice signal and/or volume reaches the threshold value of setting.
According to the third aspect of the present invention, there is provided a kind of earphone, it is characterised in that the earphone is equipped with digital signal
Reason device, on-chip system chip and it is at least one be used for gather the microphone of ambient sound and at least one loudspeaker：
Integrated on the digital signal processor just like the device described in second aspect, the digital signal processor and institute
State on-chip system chip and at least one microphone for being used to gather ambient sound is electrically connected；
The on-chip system chip is equipped with antenna, the on-chip system chip and the microphone for gathering call sound
It is electrically connected.
Environmental sound signal monitor method, device and the earphone of the embodiment of the present invention, can obtain environmental sound signal, and
Extract useful signal in environmental sound signal and with output signal mix generation and mix voice signal and play out, user is existed
During using earphone, without removing earphone with regard to that can hear the sound of surrounding.
【Brief description of the drawings】
Fig. 1 is a kind of flow chart for ambient sound monitor method that the embodiment of the present invention one provides；
Fig. 2 provides a kind of modular structure schematic diagram of environmental sound signal monitoring device for the embodiment of the present invention two；
Fig. 3 is a kind of structure diagram for earphone that the embodiment of the present invention three provides.
【Embodiment】
In order to make technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
The embodiment of the present invention one provides a kind of ambient sound monitor method, suitable for earphone, referring to Fig. 1, this method
Including：
S101, in the listen mode, obtains environmental sound signal；
S102, extraction meets the voice signal of preset condition from the environmental sound signal；
The output signal generation mixing voice signal of S103, the voice signal for meeting according to this preset condition and the earphone；
S104, export the mixing voice signal.
In a scheme that can be feasible, environmental sound signal step S101, is obtained, including：
Receive the instruction into listening mode；
Open the microphone being arranged on earphone case；
Obtain the environmental sound signal of microphone pickup.
In the present embodiment, the operating mode of earphone includes normal mode and listening mode.Under normal mode, earphone will not be right
Ambient sound is monitored.
In practical application, operation select button can be set on earphone, input to enter by the button and monitor mould
The instruction of formula/normal mode.Instruction into listening mode/normal mode can also be inputted by mobile terminal, such as mobile phone.
In practical application, at least one microphone can be respectively placed on the left and right housing of earphone and is used to pick up all directions
Voice signal.The voice signal of pickup can pass through digital signal processor (the DSP Digital signal of earphone
Processor, DSP) handled.
In practical application, 2 microphones can also be set to provide uplink decrease of noise functions on earphone and improve the clear of call
Spend the interference of low environment noise.The distance between more microphones on earphone and position can be designed according to actual needs and
Adjust so as to fulfill certain direction or the pickup of some angular range.
In a feasible scheme, step S103, according to this meet preset condition voice signal and the earphone it is defeated
Go out signal generation mixing voice signal, including：
Judge that this meets whether the volume of the voice signal of preset condition exceedes predetermined threshold value；
If so, reduce the volume of the output signal according to preset algorithm；
Output signal after reduction volume is met that the voice signal of preset condition mixes with this and generates the compound voice message
Number；
Otherwise, which is met that the voice signal of preset condition mixes with this according to original volume and generates the mixing
Voice signal.
In practical application, output signal refers to sound of music, partner that earphone is currently played etc..
In practical application, after the environmental sound signal to surrounding is picked up, the volume of output signal can be adjusted simultaneously
From loudspeaker output after the environmental sound signal that pickup is arrived and output signal mixing.I.e. when the environmental sound signal of surrounding increases to
Starting default algoritic module when setting threshold value makes the volume reduction of output signal and the voice signal with meeting preset condition
Exported after synthesis from loudspeaker.Enable users to clearly hear the sound of surrounding, and when the sound of surrounding is reduced to the thresholding of setting
Music can recover original volume output again during value.
In the scheme that one is seen feasible, step S102, from the environmental sound signal, extraction meets the sound of preset condition
Sound signal, including：
According to preset algorithm eliminate the environmental sound signal ambient noise and reserve frequency in predeterminated frequency (such as 300HZ
To 4KHZ) voice signal.
In a feasible scheme, step S102, from the environmental sound signal, extraction meets the sound of preset condition
Signal, including：
The background noise of the environmental sound signal is eliminated according to preset algorithm；
Extraction meets the voice signal of preset condition, the preset condition from the environmental sound signal for eliminate background noise
Including matching with default voice signal and/or volume reaches the threshold value of setting.
In practical application, default voice signal includes：The audio-frequency information of non-voice class and the audio-frequency information of voice class.It is non-
The audio-frequency information of voice class includes at least the tone and tone color of one of the following：Tucket, the railway crossing siren of motor vehicle
Sound, bicycle the tinkle of bells, collision of motor-driven vehicles sound and alarm song；The audio-frequency information of voice class includes at least the sound of one of the following
Reconciliation tone color：Voice and animal sound.
In practical application, voice can also be identified, and identify keyword therein, when the keyword of identification includes
When in preset keyword, confirm that the voice meets default voice signal.
Match with default voice signal, including：In default voice signal, the sound with the useful signal is found
Reconciliation tone color all same or similar audio-frequency information.
In practical application, unlatching/closing mode of listening mode can also be set, for example waken up, passed through by keyword
Key wakeup etc..
The ambient sound monitor method of the present embodiment, can obtain environmental sound signal, and extract environmental sound signal
In useful signal with output signal mix generation mixing voice signal play out, make user use earphone when, without taking
Lower earphone is with regard to that can hear the sound of surrounding.
On the basis of previous embodiment, the embodiment of the present invention two provides a kind of environmental sound signal monitoring device, fits
For earphone, referring to Fig. 2, the device includes：
Signal acquisition module 201, in the listen mode, obtaining environmental sound signal；
Signal extraction module 202, the voice signal of preset condition is met for being extracted from the environmental sound signal；
Sound mix module 203, for meeting that the voice signal of preset condition and the output signal of the earphone are given birth to according to this
Into mixing voice signal；
Output module 204, for exporting the mixing voice signal.
In a scheme that can be feasible, which further includes：
Command reception module, for receiving the instruction into listening mode；
Microphone control module, for opening the microphone being arranged on earphone case；
The signal acquisition module 201, is additionally operable to obtain the environmental sound signal of microphone pickup.
In the present embodiment, the operating mode of earphone is included into normal mode and listening mode.Under normal mode, earphone will not
Ambient sound is monitored.
In practical application, operation select button can be set on earphone, input to enter by the button and monitor mould
The instruction of formula/normal mode.By mobile terminal, such as mobile phone, the instruction of listening mode/normal mode can also be inputted.
In practical application, at least one microphone can be respectively placed on the left and right housing of earphone and is used to pick up all directions
Voice signal.The voice signal of pickup can pass through digital signal processor (the DSP Digital signal of earphone
Processor, DSP) handled.
In practical application, 2 microphones can also be set to provide uplink decrease of noise functions on earphone and improve the clear of call
Spend the interference of low environment noise.The distance between more microphones on earphone and position can be designed according to actual needs and
Adjust so as to fulfill certain direction or the pickup of some angular range.
In a feasible scheme, the sound mix module 203, including：
Judging submodule, for judging that this meets whether the volume of the voice signal of preset condition exceedes pre-determined threshold
Value；
Audio mixing submodule, for when the determination result is yes, reducing the volume of the output signal according to preset algorithm, and will
Output signal after reduction volume meets that the voice signal of preset condition mixes with this and generates the mixing voice signal, or is used for
When the judgment result is No, which is met that the voice signal of preset condition mixes generation and is somebody's turn to do according to original volume with this
Mix voice signal.
In practical application, output signal refers to sound of music, partner that earphone is currently played etc..
In practical application, the volume of music can be adjusted after environmental sound signal of the pickup to surrounding and pickup
The voice signal and music mix arrived is exported from loudspeaker.Start when the environmental sound signal of surrounding increases to setting threshold value
Corresponding algoritic module makes the volume of music reduce and make to listen with meeting that the voice signal of preset condition exports after synthesizing from loudspeaker
The people of music can clearly hear the voice signal of surrounding, and the music when the voice signal of surrounding is reduced to the threshold value of setting
It can recover original volume output again.
In the scheme that one is seen feasible, the signal extraction module 202, is additionally operable to eliminate the ambient sound according to preset algorithm
Voice signal of the ambient noise and reserve frequency of sound signal in predeterminated frequency (such as 300HZ to 4KHZ).
In a feasible scheme, the signal extraction module 202, is additionally operable to eliminate the ambient sound according to preset algorithm
The background noise of signal, extracts the voice signal for meeting preset condition from the environmental sound signal for eliminate background noise, should
Preset condition includes matching with default voice signal and/or volume reaches the threshold value of setting.
In practical application, default voice signal includes：The audio-frequency information of non-voice class and the audio-frequency information of voice class.It is non-
The audio-frequency information of voice class includes at least the tone and tone color of one of the following：Tucket, the railway crossing siren of motor vehicle
Sound, bicycle the tinkle of bells, collision of motor-driven vehicles sound and alarm song；The audio-frequency information of voice class includes at least the sound of one of the following
Reconciliation tone color：Voice and animal sound.
Match with default voice signal, including：In default voice signal, the sound with the useful signal is found
Reconciliation tone color all same or similar audio-frequency information.
The ambient sound monitoring device of the present embodiment, can obtain environmental sound signal, and extract environmental sound signal
In useful signal with output signal mix generation mixing voice signal play out, make user use earphone when, without taking
Lower earphone is with regard to that can hear the sound of surrounding.
On the basis of previous embodiment, the embodiment of the present invention three provides a kind of earphone referring to Fig. 3, earphone includes：
For gather the microphone 301 of ambient sound, digital signal processor 302, on-chip system chip 303, for adopting
Microphone 304, antenna 305, L channel loudspeaker 306, R channel loudspeaker 307 and power supply 308, the button 309 of collection call sound.
Wherein digital signal processor 302 respectively with microphone 301, power supply 308, on-chip system chip 303 and left and right acoustic channels loudspeaker
306th, 307 it is electrically connected；On-chip system chip 303 is electrically connected with power supply 308, button 309, antenna 305 and microphone 304 respectively
Connect.
The ambient sound monitoring device of previous embodiment can be integrated on digital signal processor 302.At digital signal
Manage device 302 and receive the environmental sound signal of the collection of microphone 301 and the output signal that bluetooth headset is current.Digital signal processor
It with output signal mix generation after handling and mixes voice signal by the environmental signals of 302 pairs of receptions exports to left and right
Sound channel loudspeaker 306,307.
On-chip system chip 303 can realize bluetooth communication by antenna 305 and intelligent terminal, and to Digital Signal Processing
Device 302 is transmitted into the instruction of listening mode/normal mode.
In practical application, the microphone of 2 or more than 2 can be set to provide uplink decrease of noise functions on bluetooth headset and carried
The interference of the clarity low environment noise of height call.The distance between more microphones on bluetooth headset and position can be according to realities
Border needs to be designed and adjust the collection of the sound so as to fulfill certain direction or some angular range.
The bluetooth headset of the present embodiment, can obtain environmental sound signal, and extract useful in environmental sound signal
Signal mixes generation mixing voice signal with output signal and plays out, and makes user when using bluetooth headset, without removing indigo plant
Tooth earphone is with regard to that can hear the sound of surrounding.
Above by reference to the preferred embodiment of the present invention has been illustrated, not thereby limit to the interest field of the present invention.This
Field technology personnel do not depart from all any modification, equivalent and improvement made in the scope of the present invention and essence, should all be at this
Within the interest field of invention.
Claims (11)
- A kind of 1. ambient sound monitor method, suitable for earphone, it is characterised in that the described method includes：In the listen mode, environmental sound signal is obtained；Extraction meets the voice signal of preset condition from the environmental sound signal；Voice signal is mixed according to the output signal generation of the voice signal for meeting preset condition and the earphone；Export the mixing voice signal.
- 2. ambient sound monitor method as claimed in claim 1, it is characterised in that the acquisition environmental sound signal, including：Receive the instruction into listening mode；Open the microphone being arranged on the earphone case；Obtain the environmental sound signal of the microphone pickup.
- 3. ambient sound monitor method as claimed in claim 1, it is characterised in that described " to meet preset condition according to described Voice signal and the earphone output signal generation mixing voice signal " the step of, including：Judge whether the volume of the voice signal for meeting preset condition exceedes predetermined threshold value；If so, reduce the volume of the output signal according to preset algorithm；Output signal after reduction volume is mixed into the generation compound voice message with the voice signal for meeting preset condition Number.
- 4. such as claims 1 to 3 any one of them ambient sound monitor method, it is characterised in that described " from the ambient sound Extraction meets the voice signal of preset condition in sound signal " the step of, including：According to preset algorithm eliminate the environmental sound signal ambient noise and reserve frequency predeterminated frequency voice signal.
- 5. such as claims 1 to 3 any one of them ambient sound monitor method, it is characterised in that described " from the ambient sound Extraction meets the voice signal of preset condition in sound signal " the step of, including：The background noise of the environmental sound signal is eliminated according to preset algorithm；Extraction meets the voice signal of preset condition, the preset condition bag from the environmental sound signal for eliminate background noise Include and match with default voice signal and/or volume reaches the threshold value of setting.
- A kind of 6. environmental sound signal monitoring device, suitable for earphone, it is characterised in that the environmental sound signal monitoring device Including：Signal acquisition module, in the listen mode, obtaining environmental sound signal；Signal extraction module, the voice signal of preset condition is met for being extracted from the environmental sound signal；Sound mix module, for being mixed according to the output signal generation of the voice signal for meeting preset condition and the earphone Chorus sound signal；Output module, for exporting the mixing voice signal.
- 7. environmental sound signal monitoring device as claimed in claim 6, it is characterised in that the environmental sound signal monitors dress Put and further include：Command reception module, for receiving the instruction into listening mode；Microphone control module, for opening the microphone being arranged on the earphone case；The signal acquisition module, is additionally operable to obtain the environmental sound signal of the microphone pickup.
- 8. environmental sound signal monitoring device as claimed in claim 6, it is characterised in that the sound mix module, including：Whether judging submodule, the volume for judging the voice signal for meeting preset condition exceed pre-determined threshold Value；Audio mixing submodule, for when the determination result is yes, reducing the volume of the output signal according to preset algorithm, and will subtract Output signal after small volume mixes the generation mixing voice signal, Huo Zheyong with the voice signal for meeting preset condition In when the judgment result is No, the output signal is mixed according to original volume with the voice signal for meeting preset condition Generate the mixing voice signal.
- 9. such as claim 6 to 8 any one of them environmental sound signal monitoring device, it is characterised in that the signal extraction Module, be additionally operable to according to preset algorithm eliminate the environmental sound signal ambient noise and reserve frequency predeterminated frequency sound Sound signal.
- 10. as right wants 6 to 8 any one of them environmental sound signal monitoring devices, it is characterised in that the signal extraction mould Block, is additionally operable to eliminate the background noise of the environmental sound signal according to preset algorithm, from the ambient sound for eliminating background noise Extraction meets the voice signal of preset condition in sound signal, the preset condition include matching with default voice signal and/ Or volume reaches the threshold value of setting.
- 11. a kind of earphone, it is characterised in that the earphone is equipped with digital signal processor, on-chip system chip and at least one For the microphone for gathering ambient sound and at least one loudspeaker：Integrated on the digital signal processor just like claim 6 to 10 any one of them device, at the digital signal Reason device and the on-chip system chip, described at least one be used to gather the microphone of ambient sound and at least one loudspeaker Electrical connection；The on-chip system chip is equipped with antenna, and the on-chip system chip connects with the microphone for gathering call sound Connect.
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Cited By (8)
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| CN108429963A (en) * | 2018-05-08 | 2018-08-21 | 歌尔股份有限公司 | A kind of earphone and noise-reduction method |
| CN109348334A (en) * | 2018-10-26 | 2019-02-15 | 歌尔科技有限公司 | A kind of wireless headset and its ambience listening method and apparatus |
| CN109686367A (en) * | 2018-12-17 | 2019-04-26 | 科大讯飞股份有限公司 | A kind of earphone noise-reduction method, device, equipment and readable storage medium storing program for executing |
| CN111063363A (en) * | 2018-10-16 | 2020-04-24 | 湖南海翼电子商务股份有限公司 | Voice acquisition method, audio equipment and device with storage function |
| CN111586515A (en) * | 2020-04-30 | 2020-08-25 | 歌尔科技有限公司 | Sound monitoring method, equipment and storage medium based on wireless earphone |
| CN111616733A (en) * | 2020-05-28 | 2020-09-04 | 广州爱听贝科技有限公司 | Wearable wireless auscultation device |
| CN112954105A (en) * | 2021-02-18 | 2021-06-11 | 立讯智造(浙江)有限公司 | Wireless earphone and sound mixing method thereof |
| CN113038315A (en) * | 2019-12-25 | 2021-06-25 | 荣耀终端有限公司 | Voice signal processing method and device |
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