CN108834033A - Noise-reduction method and device, the hearing aid of apparatus for processing audio - Google Patents
Noise-reduction method and device, the hearing aid of apparatus for processing audio Download PDFInfo
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- CN108834033A CN108834033A CN201810508471.1A CN201810508471A CN108834033A CN 108834033 A CN108834033 A CN 108834033A CN 201810508471 A CN201810508471 A CN 201810508471A CN 108834033 A CN108834033 A CN 108834033A
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- noise
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- noise circumstance
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- sound wave
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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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
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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
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
Abstract
The embodiment of the present invention proposes the noise-reduction method and device, electronic equipment, computer readable storage medium of a kind of apparatus for processing audio, and the apparatus for processing audio includes microphone, and the noise-reduction method includes the following steps：The first environment noise of the first noise circumstance is obtained using the microphone；It is used to neutralize the first reverse phase sound wave of the first environment noise according to the first environment noise calculation；The first reverse phase sound wave is associated with first noise circumstance, and saves the first reverse phase sound wave；If the second locating noise circumstance is identical as first noise circumstance after detecting the apparatus for processing audio preset time, then using the first reverse phase sound wave to the second noise circumstance noise reduction, noise reduction process speed can be improved in the embodiment of the present invention, reduces the processing load of apparatus for processing audio.
Description
Technical field
This application involves audio defeat technical fields, more particularly to the noise-reduction method and dress of a kind of apparatus for processing audio
It sets, hearing aid.
Background technique
People wear apparatus for processing audio, such as hearing impaired listener's wear hearing aid, inevitably will receive surrounding
The influence of ambient noise, this can receive target sound such as people's voice to people and cause large effect.
Traditional noise-reduction method detects ambient noise every time, noise reduction system can all be allowed to calculate a phase and the ring
Border noise phase is opposite, amplitude is equal reverse phase noise neutralizes the ambient noise.It is calculated due to every time according to ambient noise anti-
Phase noise needs the time, can lag to ambient noise noise reduction process every time in this way, and the processing that also will increase apparatus for processing audio is negative
Lotus.
Summary of the invention
Based on this, it is necessary to provide the noise-reduction method, device, hearing aid of a kind of apparatus for processing audio.
A kind of noise-reduction method of apparatus for processing audio, the apparatus for processing audio include microphone, which is characterized in that described
Noise-reduction method includes the following steps：
The first environment noise of the first noise circumstance is obtained using the microphone；
It is used to neutralize the first reverse phase sound wave of the first environment noise according to the first environment noise calculation；
The first reverse phase sound wave is associated with first noise circumstance, and saves the first reverse phase sound wave；
If locating the second noise circumstance and first noise ring after detecting the apparatus for processing audio preset time
Border is identical, then using the first reverse phase sound wave to the second noise circumstance noise reduction.
The noise-reduction method of above-mentioned apparatus for processing audio can will be anti-if calculating reverse phase sound wave corresponding with ambient noise
Phase sound wave preserves, and goes in a same noise circumstance if user adorns oneself with apparatus for processing audio, using previously
The reverse phase sound wave of preservation eliminates the ambient noise collected at this time, without calculating reverse phase sound wave again, improves noise reduction process speed
Degree, also reduces the processing load of apparatus for processing audio.
Described the step of being associated with the first reverse phase sound wave with first noise circumstance in one of the embodiments,
It is that the first environment noise correlation of the first reverse phase sound wave and first noise circumstance and is saved into the first reverse phase sound
Wave and the first environment noise；
If the second noise circumstance of detection step identical as first noise circumstance includes：
The second environment noise of second noise circumstance is obtained, and compares the second environment noise and first ring
Border noise；
If the difference of the second environment noise and the first environment noise is less than preset value, determine that described second makes an uproar
Acoustic environment is identical as first noise circumstance.
The method also includes following steps in one of the embodiments,：Obtain the position of first noise circumstance
Information；
Obtain the location information of the second noise circumstance；
Then the first reverse phase sound wave is associated with first noise circumstance, and saves the first reverse phase sound wave step
It suddenly is to be associated with the location information and the first reverse phase sound wave of first noise circumstance, and save first noise circumstance
Location information and the first reverse phase sound wave；
The second noise circumstance of detection step whether identical as first noise circumstance include：If the second noise ring
The position consistency of the position in border and the first noise circumstance then determines second noise circumstance and the first noise circumstance phase
Together.
The second noise circumstance and the whether identical step packet of first noise circumstance are detected in one of the embodiments,
It includes：
The voice messaging inputted when user is in second noise circumstance is obtained using the microphone；
Identify whether the second noise circumstance and first noise circumstance are identical according to the voice messaging of user input.
The second noise circumstance and the whether identical step packet of first noise circumstance are detected in one of the embodiments,
It includes：
Obtain the key information of user's input when user is in second noise circumstance；
Identify whether the second noise circumstance and first noise circumstance are identical according to the key information of user input.
The noise-reduction method is further comprising the steps of in one of the embodiments,：
If second noise circumstance is different from first noise circumstance, used according to the second environment noise calculation
In the second reverse phase sound wave for neutralizing the second environment noise；
The second environment noise is neutralized using the second reverse phase sound wave；
The second reverse phase sound wave is associated with second noise circumstance, and saves the second reverse phase sound wave.
The noise-reduction method is further comprising the steps of in one of the embodiments,：
The first amplification factor is provided according to first noise circumstance；
First amplification factor is associated with first noise circumstance, and saves first amplification factor；
If second noise circumstance is identical as first noise circumstance, amplify institute according to first amplification factor
It states apparatus for processing audio and is in the target sound that the microphone is collected when second noise circumstance.
If second noise circumstance is different from first noise circumstance in one of the embodiments, according to institute
It states the second noise circumstance and the second amplification factor is provided；
Amplify the wheat when apparatus for processing audio is in second noise circumstance according to second amplification factor
The target sound that gram wind is collected；
Second amplification factor is associated with second noise circumstance, and saves second amplification factor.
A kind of denoising device of apparatus for processing audio is also provided.
A kind of denoising device of apparatus for processing audio, including：
First environment noise obtains module, and the first environment for obtaining the first noise circumstance using the microphone is made an uproar
Sound；
First reverse phase sound wave computing module, for being used to neutralize the first environment according to the first environment noise calculation
First reverse phase sound wave of noise；
First reverse phase sound wave preserving module, for the first reverse phase sound wave to be associated with first noise circumstance, and
Save the first reverse phase sound wave；
Second noise circumstance noise reduction module, if for detecting locating second after the apparatus for processing audio preset time
Noise circumstance is identical as first noise circumstance, then using the first reverse phase sound wave to the second noise circumstance noise reduction.
It also proposes a kind of hearing aid, including memory and processor, stores computer program in the memory, it is described
When computer program is executed by the processor, so that the processor executes the dress of audio processing described in any embodiment as above
The step of noise-reduction method set.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the noise-reduction method of one embodiment middle pitch frequency processing device；
Fig. 2 is the Schematic flow diagram of one embodiment middle pitch frequency processing device noise reduction；
Fig. 3 is the flow chart of the noise-reduction method of one embodiment middle pitch frequency processing device；
Fig. 4 is the timing diagram of periodical ambient noise in one embodiment；
Fig. 5 is the process that the second noise circumstance Yu the whether identical step of first noise circumstance are surveyed in one embodiment
Figure；
Fig. 6 is the stream that the second noise circumstance Yu the whether identical step of first noise circumstance are surveyed in another embodiment
Cheng Tu；
Fig. 7 is the flow chart of the noise-reduction method of a specific embodiment middle pitch frequency processing device；
Fig. 8 is the flow chart of the noise-reduction method of another specific embodiment middle pitch frequency processing device；
Fig. 9 is the structural block diagram of the denoising device of one embodiment middle pitch frequency processing device.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
Fig. 1 is the flow chart of the noise-reduction method of one embodiment middle pitch frequency processing device.Audio processing in the present embodiment
The noise-reduction method of device is described for running on apparatus for processing audio, such as hearing aid.As shown in Fig. 2, at audio
Managing device includes microphone 210, loudspeaker 220 and processor 230, and microphone 210 can pass through processor 230 and loudspeaker
220 connections, for the sound that microphone 210 is collected after noise reduction, human ear finally listens to target sound.As shown in Figure 1, audio processing fills
The noise-reduction method set includes step 102 to step 110.
Step 102, the first environment noise of the first noise circumstance is obtained using microphone.
Specifically, the first noise circumstance be the execution of apparatus for processing audio noise reduction process environment, can be factory's ring
Border, meeting room environmental, food market environment, corresponding, first environment noise is around the first noise circumstance of apparatus for processing audio
Noise, such as environment of plant noise, meeting room ambient noise, locomotive ambient noise, food market ambient noise etc..
Apparatus for processing audio has microphone, therefore can collect the first environment noise using microphone.
Step 104, it is used to neutralize the first reverse phase sound wave of first environment noise according to first environment noise calculation.
Specifically, the first reverse phase sound wave is the sound wave opposite with first environment noise phase, the amplitude of the first reverse phase sound wave
The amplitude of first environment noise can be equal to, such first reverse phase sound wave can offset first environment noise, reach the effect of noise reduction
Fruit.It can use neural network algorithm and calculate the first reverse phase sound wave, first environment noise exports the first reverse phase as network inputs
Sound wave.
Step 106, the first reverse phase sound wave is associated with the first noise circumstance, and saves the first reverse phase sound wave.
Specifically, apparatus for processing audio is equipped with memory, and memory is connected with processor 230, closes with the first noise circumstance
First reverse phase sound wave of connection saves in memory, and subsequent step is waited to call.
Specifically, the vocal print characterisitic parameter of the first reverse phase sound wave can be saved, for example, save the first reverse phase sound wave it is each when
Between the parameters such as frequency and amplitude.Because audio can occupy more memory, preservation vocal print characteristic parameter data can reduce memory and account for
With improving the processing speed of apparatus for processing audio, can also save the reverse phase sound wave under more different noise circumstances.
Step 108, if the second noise circumstance and the first noise ring locating after detecting apparatus for processing audio preset time
Border is identical, then utilizes the first reverse phase sound wave noise reduction.
Accordingly, it if the second noise circumstance is different from the first noise circumstance, is used for according to second environment noise calculation
With the second reverse phase sound wave of second environment noise.Then using in the second reverse phase sound wave and second environment noise.Then by second
Reverse phase sound wave is associated with the second noise circumstance, and saves the second reverse phase sound wave.
Specifically, the second noise circumstance and the first noise circumstance phase locating after apparatus for processing audio preset time are detected
With after, it can star the first noise pattern, utilize the first reverse phase sound wave noise reduction of the first noise pattern.Apparatus for processing audio was before this
Enter second noise circumstance after the first noise circumstance, preset time, the second noise circumstance can be the environment of plant, meeting
Room environmental, food market environment.
When meeting at least one condition in the following conditions, judge that the first noise circumstance is identical as the second noise circumstance：
The ambient noise of the ambient noise of first noise circumstance and the second noise circumstance is same or similar, the first noise circumstance geographical position
It sets identical as the geographical location of the second noise circumstance.
In one embodiment, the step of the first reverse phase sound wave being associated with the first noise circumstance is by the first reverse phase sound
The first environment noise correlation of wave and the first noise circumstance, and save the first reverse phase sound wave and first environment noise.Specifically, may be used
By after association first environment noise and the first reverse phase sound wave be configured to the first noise pattern.
Specifically, the vocal print characterisitic parameter of first environment noise can also be saved, such as to save first environment noise each
The parameters such as the frequency and amplitude of time.Because audio can occupy more memory, memory can be reduced by saving vocal print characteristic parameter data
It occupies, improves the processing speed of apparatus for processing audio, can also save the ambient noise under more different noise circumstances.
Referring to Fig. 3, the second noise circumstance of detection step whether identical as the first noise circumstance includes：
Step 302, the second environment noise of the second noise circumstance is obtained, and compares second environment noise and makes an uproar with first environment
Sound.
Second environment noise is also possible to the noise of the ambient enviroment of apparatus for processing audio, such as environment of plant noise, meeting
Discuss room environmental noise, locomotive ambient noise, food market ambient noise etc..Second environment noise is got in apparatus for processing audio
Noise after first environment noise.For example, being collected into first environment noise on January 1st, 2018, received on January 2nd, 2018
Collect the second environment noise.
The step of comparison second environment noise and first environment noise, can be comparison second environment noise and first environment
The vocal print characteristic of noise specifically compares the phase and amplitude of second environment noise and first environment noise.
Specifically, if detecting that first environment noise is periodic repetitive noise, the first reverse phase sound wave is also
Periodically, then the first environment noise for only extracting a cycle is saved, and the first reverse phase sound wave also can extract a cycle
Sound wave is saved.If detecting, first environment noise constantly changes at any time, can extract first every prefixed time interval
One section of ambient noise in ambient noise is saved.
Step 304, if the difference of second environment noise and first environment noise is less than preset value, the second noise ring is identified
Border is identical as the first noise circumstance.
Specifically, if second environment noise with first environment noise is all periodic noise, the second ring is compared
As soon as the acoustic characteristic in border noise period corresponding with first environment noise, can determine whether second environment noise and the first ring if they are the same
Border noise is identical.For example, as shown in figure 4, comparison first environment noise and second environment 0~t moment of noise acoustic characteristic,
If being less than preset difference value, there is no need to go with first environment noise vs for the later second environment noise of t moment.Then subsequent
Step be using the first reverse phase sound wave to second environment noise carry out noise reduction, specifically directly extract t moment it is later first instead
The second environment noise noise reduction later to t moment is removed to sound wave.
Accordingly, if the difference of second environment noise and first environment noise is greater than preset value, illustrate the second noise circumstance
With the first noise circumstance difference, then it is used to neutralize the second reverse phase sound wave of second environment noise according to second environment noise calculation.
Then using in the second reverse phase sound wave and second environment noise.Then it is associated with second environment noise and the second reverse phase sound wave saves
Second environment noise and the second reverse phase sound wave.
In one embodiment, it can recognize the information of user's input to compare the first noise circumstance and the second noise circumstance
It is whether identical.User can identify this noise circumstance locating for noise twice, such as first go A noise circumstance, go again for second
This A noise circumstance, user can memoriter judge whether noise circumstance locating for noise twice is identical, then obtains user
Whether the information of input, the information inputted according to user are identical as the second noise circumstance to compare the first noise circumstance.Specifically,
Referring to Fig. 5, the information of user's input can be voice messaging, then whether detecting the second noise circumstance and the first noise circumstance
Identical step includes：
Step 502, the voice messaging inputted when user is in the second noise circumstance is obtained using microphone.
User can be the user for having worn apparatus for processing audio.
Step 504, identify whether the second noise circumstance and the first noise circumstance are identical according to the voice messaging of user's input.
Can by microphone collect user voice messaging, then identify voice messaging, judge the first noise circumstance and
Whether the second noise circumstance is identical.Such as the voice messaging of acquisition is " this is the first noise circumstance ", then identifying the second noise
Environment is identical as the first noise circumstance, is directly carried out using noise of the reverse phase sound wave of the first noise circumstance to the second noise circumstance
Noise reduction.
Specifically, the information of user's input is also possible to key information, referring to Fig. 6, so detecting the second noise circumstance
Whether identical step includes with the first noise circumstance：
Step 602, the key information of user's input when user is in the second noise circumstance is obtained.
The apparatus for processing audio such as hearing aid generally have volume adjustment key and confirmation key.User can be by pressing volume tune
Save key or confirmation key, output key information.Key information is specifically key level information.
Step 604, whether the second noise circumstance and the first noise circumstance are identified according to the key information of user input
It is identical.
Specifically, it gets user and is in the primary information of the second noise circumstance long-pressing confirmation key, then identify that second makes an uproar
Acoustic environment is identical as first noise circumstance, gets user and is in letter of second noise circumstance even by confirmation key twice
Breath, then identify that the second noise circumstance and first noise circumstance be not identical.
In one embodiment, referring to Fig. 7, the noise-reduction method of the apparatus for processing audio of the embodiment of the present invention further includes
Following steps：
Step 702, the location information of the first noise circumstance is obtained.
Location information can be GPS navigation information.
Then the first reverse phase sound wave is associated with the first noise circumstance, and saving the first reverse phase sound wave is step 704, association
The location information of first noise circumstance and the first reverse phase sound wave, and save the location information and the first reverse phase of the first noise circumstance
Sound wave.
If locating the second noise circumstance and the first noise circumstance phase after then detecting apparatus for processing audio preset time
Together, then using the first reverse phase sound wave noise reduction it is step 706, the location information of the second noise circumstance is obtained, if the second noise circumstance
Position and the first noise circumstance position consistency, then identify that the second noise circumstance is identical as the first noise circumstance, then utilize
With the associated first reverse phase sound wave of location information of the first noise circumstance to the noise noise reduction of the second noise circumstance.
The present embodiment, the position of the second noise circumstance is identical as the position of the first noise circumstance, then illustrates the second noise ring
Border is identical as the first noise circumstance.
Further, the first reverse phase sound wave is associated with the first noise circumstance, and the step of saving the first reverse phase sound wave can
To be to be associated with location information, first environment noise and the first reverse phase sound wave of the first noise circumstance, and save the first noise ring
Location information, first environment noise and the first reverse phase sound wave in border.
Then detecting the second noise circumstance step whether identical as the first noise circumstance includes：Obtain the second noise circumstance
Location information, if the position consistency of the position of the second noise circumstance and the first noise circumstance, and first environment noise and
The difference of two ambient noises is less than preset difference value, then identifies that the second noise circumstance is identical as the first noise circumstance.
Same position, noise circumstance is it can also happen that variation.The present embodiment, the position of the second noise circumstance and the first noise
The position of environment is identical, and the difference of first environment noise and second environment noise is less than preset difference value, just identifies the second noise
Environment is identical as the first noise circumstance.
User wears apparatus for processing audio and is in noise circumstance, and noise reduction effect is different sometimes surely achieves the desired results, can
With amplification target sound.Target sound can be with target voice.
In one embodiment, referring to Fig. 8, the noise-reduction method of the apparatus for processing audio in the embodiment of the present invention also wraps
Include following steps：
Step 802, the first amplification factor is provided according to the first noise circumstance.
Specifically, the step of providing the first amplification factor include：Identify the first noise grade of first environment noise, then
Obtain corresponding first amplification factor of the first noise grade.
Step 804, the first amplification factor is associated with the first noise circumstance, and saves the first amplification factor.
The step of first amplification factor is associated with the first noise circumstance specifically can be the first amplification factor and first
The first environment noise correlation of noise circumstance, followed by the first amplification factor of preservation and first environment noise, subsequent step are
Identify whether are the second noise circumstance and the first noise circumstance by comparing the difference of first environment noise and second environment noise
It is identical.
It is also possible to for the first amplification factor being associated with the location information of the first noise circumstance, followed by saves the first amplification
The location information of multiple and the first noise circumstance, subsequent step are the location informations and second by comparing the first noise circumstance
The location information of ambient noise identifies whether the second noise circumstance is identical as the first noise circumstance.
It is also possible to by the first amplification factor and the location information of the first noise circumstance, first environment noise correlation, then
It is to save the first amplification factor, the location information of the first noise circumstance, first environment noise, subsequent step is by comparing first
The location information and first environment noise and second environment noise of the location information of noise circumstance and second environment noise is known
Whether other second noise circumstance and the first noise circumstance are identical.
Step 806, if the second noise circumstance is identical as the first noise circumstance, at the first amplification factor amplification audio
The target sound that microphone is collected when reason device is in the second noise circumstance.
Accordingly, if the second noise circumstance is different from the first noise circumstance, second is provided according to the second noise circumstance and is put
Big multiple.The target that microphone is collected when being then in the second noise circumstance according to the second amplification factor amplification apparatus for processing audio
Sound.Then the second amplification factor is associated with the second noise circumstance, and saves the second amplification factor.
By the second amplification factor and the associated specific embodiment of the second noise circumstance similarly by the first amplification factor and first
Whether the associated specific embodiment of noise circumstance accordingly, in the present embodiment compares the second noise circumstance and the first noise circumstance
Identical specific embodiment compares the second noise circumstance and the whether identical specific embodiment of the first noise circumstance with noise reduction process,
It repeats no more.
The environment that different user is gone is different, traditional noise-reduction method, calculates reverse phase noise need according to ambient noise every time
The time is wanted, ambient noise noise reduction process can be lagged every time in this way, also will increase the processing load of apparatus for processing audio.It is especially right
The apparatus for processing audio as hearing aid, hearing impaired user listen to target voice dependent on hearing aid, noise reduction meeting not in time
The usage experience of hearing impaired user is impacted.The noise-reduction method of apparatus for processing audio in the embodiment of the present invention can incite somebody to action
Ambient noise and its reverse phase sound wave preserve, if user, which adorns oneself with apparatus for processing audio, goes to a same noise circumstance
In, illustrate ambient noise that microphone is collected at this time be with the ambient noise being previously saved then it is same or similar, then using first
The reverse phase sound wave of preceding preservation eliminates the ambient noise collected at this time, without calculating reverse phase sound wave again, improves noise reduction process
Speed also reduces the processing load of apparatus for processing audio.Particularly with apparatus for processing audio as hearing aid, to being familiar with making an uproar
Acoustic environment can allow hearing impaired user to catch target voice in time, raising is listened using the timely noise reduction of reverse phase sound wave of preservation
The usage experience of power impaired user.The noise-reduction method of apparatus for processing audio in the embodiment of the present invention, will also save and make an uproar with environment
The corresponding amplification factor of sound is gone in a same noise circumstance if user adorns oneself with apparatus for processing audio, using previous
The amplification factor of preservation amplifies the target sound in the noise circumstance, without calculating again, improves user experience, also reduces
The processing load of apparatus for processing audio.
Such as one hearing impairment user, adorn oneself with hearing aid, be introduced into a strange food market environment A, hearing aid drop
The system of making an uproar can carry out noise reduction to the noise of food market environment A, and save reverse phase sound wave, and user entered the food market every several days again
Environment A, hearing aid microphone are collected into the ambient noise of food market environment A again, and Noise reduction system only need to be using first
The reverse phase sound wave noise reduction process of preceding preservation, and using the amplification factor enhanced processing being previously saved, it is new without calculating again
Reverse phase sound wave and amplification factor.
It should be understood that although each step in the flow chart of Fig. 1 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 1
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
Fig. 9 is the structural block diagram of the denoising device of the apparatus for processing audio of one embodiment.As shown in figure 8, audio processing
The denoising device of device, including：
First environment noise obtains module 910, for obtaining the first environment noise of the first noise circumstance using microphone.
First reverse phase sound wave computing module 920, for being used to neutralize first environment noise according to first environment noise calculation
The first reverse phase sound wave.
First reverse phase sound wave preserving module 930, for the first reverse phase sound wave to be associated with the first noise circumstance, and preservation the
One reverse phase sound wave.
Second noise circumstance noise reduction module 940, if for detecting locating second after apparatus for processing audio preset time
Noise circumstance is identical as the first noise circumstance, then using the first reverse phase sound wave to the second noise circumstance noise reduction.
In one embodiment, the step of the first reverse phase sound wave being associated with the first noise circumstance is by the first reverse phase sound
The first environment noise correlation of wave and the first noise circumstance, and save the first reverse phase sound wave and first environment noise；
If then the second noise circumstance of detection step identical as the first noise circumstance includes：
The second environment noise of the second noise circumstance is obtained, and compares second environment noise and first environment noise；
If the difference of second environment noise and first environment noise is less than preset value, the second noise circumstance and first is identified
Noise circumstance is identical.
In one embodiment, the denoising device of apparatus for processing audio further includes：
First noise circumstance position information acquisition module, for obtaining the location information of the first noise circumstance.
First reverse phase sound wave preserving module 930 is that the location information of the first noise circumstance and the first reverse phase sound wave save mould
Block for being associated with the location information and the first reverse phase sound wave of the first noise circumstance, and saves the location information of the first noise circumstance
With the first reverse phase sound wave.
The denoising device of apparatus for processing audio further includes：The position information acquisition module of second noise circumstance, for obtaining
The location information of second noise circumstance.
Second noise circumstance noise reduction module 940 includes：Position comparison module, if the position and for the second noise circumstance
The position consistency of one noise circumstance then identifies that the second noise circumstance is identical as the first noise circumstance.
In one embodiment, the second noise circumstance noise reduction module 940 includes that voice messaging obtains module, for benefit
The voice messaging inputted when user is in the second noise circumstance is obtained with microphone.
Voice messaging identification module, the voice messaging for being inputted according to user identify the second noise circumstance and the first noise
Whether environment is identical.
In one embodiment, the second noise circumstance noise reduction module 940 includes that key information obtains module, for obtaining
Take the key information that user inputs when family is in the second noise circumstance；
Key information identification module, the key information for being inputted according to user identify the second noise circumstance and the first noise
Whether environment is identical.In one embodiment, the denoising device of apparatus for processing audio further includes：
Second reverse phase sound wave computing module, if different from the first noise circumstance for the second noise circumstance, according to second
Ambient noise calculates the second reverse phase sound wave for neutralizing second environment noise；
In second environment noise and module, for using in the second reverse phase sound wave and second environment noise；
Second reverse phase sound wave preserving module for the second reverse phase sound wave to be associated with the second noise circumstance, and saves second
Reverse phase sound wave.
In one embodiment, the denoising device of apparatus for processing audio further includes：
First amplification factor provides module, for providing the first amplification factor according to the first noise circumstance.
First amplification factor preserving module for the first amplification factor to be associated with the first noise circumstance, and saves first
Amplification factor.
First amplification module, if identical as the first noise circumstance for the second noise circumstance, according to the first amplification factor
The target sound that microphone is collected when amplification apparatus for processing audio is in the second noise circumstance.
In one embodiment, the denoising device of apparatus for processing audio further includes：
Second amplification factor provides module, if different from the first noise circumstance for the second noise circumstance, according to second
Noise circumstance provides the second amplification factor；
Second amplification module, wheat when for being in the second noise circumstance according to the second amplification factor amplification apparatus for processing audio
The target sound that gram wind is collected；
Second amplification factor preserving module for the second amplification factor to be associated with the second noise circumstance, and saves second
Amplification factor.
The division of modules is only used for for example, in other embodiments in the denoising device of above-mentioned apparatus for processing audio
In, the denoising device of apparatus for processing audio can be divided into as required to different modules, to complete above-mentioned apparatus for processing audio
Denoising device all or part of function.
The specific restriction of denoising device about apparatus for processing audio may refer to above for apparatus for processing audio
The restriction of noise-reduction method, details are not described herein.Modules in the denoising device of above-mentioned apparatus for processing audio can whole or portion
Divide and is realized by software, hardware and combinations thereof.Above-mentioned each module can be embedded in the form of hardware or independently of computer equipment
In processor in, can also be stored in a software form in the memory in computer equipment, in order to processor calling hold
The corresponding operation of the above modules of row.
The realization of modules in the denoising device of the apparatus for processing audio provided in the embodiment of the present application can be calculating
The form of machine program.The computer program can be run in terminal or server.The program module that the computer program is constituted can
It is stored on the memory of terminal or server.When the computer program is executed by processor, institute in the embodiment of the present application is realized
The step of description method.
The embodiment of the present application also provides a kind of computer readable storage mediums.One or more is executable comprising computer
The non-volatile computer readable storage medium storing program for executing of instruction, when the computer executable instructions are executed by one or more processors
When, so that the step of processor executes the noise-reduction method of apparatus for processing audio.
A kind of computer program product comprising instruction, when run on a computer, so that computer executes audio
The noise-reduction method of processing unit.
The embodiment of the present application also provides a kind of electronic equipment.
In the embodiment of the present application, processor included by the electronic equipment executes the computer journey of storage on a memory
The step of noise-reduction method of apparatus for processing audio is realized when sequence.Specifically, which can be hearing aid.
Any reference to memory, storage, database or other media used in this application may include non-volatile
And/or volatile memory.Nonvolatile memory may include that read-only memory (ROM), programming ROM (PROM), electricity can be compiled
Journey ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include random access memory
(RAM), it is used as external cache.By way of illustration and not limitation, RAM is available in many forms, such as static state RAM
(SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDR SDRAM), enhanced SDRAM
(ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) directly RAM (RDRAM), straight
Connect memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM).
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of noise-reduction method of apparatus for processing audio, the apparatus for processing audio include microphone, which is characterized in that the drop
Method for de-noising includes the following steps：
The first environment noise of the first noise circumstance is obtained using the microphone；
It is used to neutralize the first reverse phase sound wave of the first environment noise according to the first environment noise calculation；
The first reverse phase sound wave is associated with first noise circumstance, and saves the first reverse phase sound wave；
If locating the second noise circumstance and the first noise circumstance phase after detecting the apparatus for processing audio preset time
Together, then using the first reverse phase sound wave to the second noise circumstance noise reduction.
2. the method according to claim 1, wherein
Described the step of being associated with the first reverse phase sound wave with first noise circumstance be by the first reverse phase sound wave with
The first environment noise correlation of first noise circumstance, and save the first reverse phase sound wave and the first environment noise；
If the second noise circumstance of detection step identical as first noise circumstance includes：
The second environment noise of second noise circumstance is obtained, and compares the second environment noise and makes an uproar with the first environment
Sound；
If the difference of the second environment noise and the first environment noise is less than preset value, second noise ring is determined
Border is identical as first noise circumstance.
3. the method according to claim 1, wherein
The method also includes following steps：
Obtain the location information of first noise circumstance；
Obtain the location information of the second noise circumstance；
The first reverse phase sound wave is associated with first noise circumstance, and saving the first reverse phase sound wave step is association
The location information of first noise circumstance and the first reverse phase sound wave, and save the location information of first noise circumstance
With the first reverse phase sound wave；
If the second noise circumstance of detection step identical as first noise circumstance includes：If the position of the second noise circumstance
The position consistency with the first noise circumstance is set, then determines that second noise circumstance is identical as first noise circumstance.
4. the method according to claim 1, wherein the second noise circumstance of detection is with first noise circumstance
No identical step includes：
The voice messaging inputted when user is in second noise circumstance is obtained using the microphone；
Identify whether second noise circumstance and first noise circumstance are identical according to the voice messaging of user input.
5. the method according to claim 1, wherein the second noise circumstance of detection is with first noise circumstance
No identical step includes：
Obtain the key information of user's input when user is in second noise circumstance；
Identify whether second noise circumstance and first noise circumstance are identical according to the key information of user input.
6. method according to claim 1-5, which is characterized in that the noise-reduction method is further comprising the steps of：
If second noise circumstance is different from first noise circumstance, it is used for according to the second environment noise calculation
With the second reverse phase sound wave of the second environment noise；
The second environment noise is neutralized using the second reverse phase sound wave；
The second reverse phase sound wave is associated with second noise circumstance, and saves the second reverse phase sound wave.
7. method according to claim 1-5, which is characterized in that the noise-reduction method is further comprising the steps of：
The first amplification factor is provided according to first noise circumstance；
First amplification factor is associated with first noise circumstance, and saves first amplification factor；
If second noise circumstance is identical as first noise circumstance, amplify the sound according to first amplification factor
Frequency processing device is in the target sound that the microphone is collected when second noise circumstance.
8. the method according to the description of claim 7 is characterized in that
If second noise circumstance is different from first noise circumstance, second is provided according to second noise circumstance and is put
Big multiple；
Amplify the microphone when apparatus for processing audio is in second noise circumstance according to second amplification factor
The target sound of collection；
Second amplification factor is associated with second noise circumstance, and saves second amplification factor.
9. a kind of denoising device of apparatus for processing audio, which is characterized in that including：
First environment noise obtains module, for obtaining the first environment noise of the first noise circumstance using the microphone；
First reverse phase sound wave computing module, for being used to neutralize the first environment noise according to the first environment noise calculation
The first reverse phase sound wave；
First reverse phase sound wave preserving module for the first reverse phase sound wave to be associated with first noise circumstance, and saves
The first reverse phase sound wave；
Second noise circumstance noise reduction module, if for detecting locating the second noise after the apparatus for processing audio preset time
Environment is identical as first noise circumstance, then using the first reverse phase sound wave to the second noise circumstance noise reduction.
10. a kind of hearing aid, including memory and processor, computer program, the computer are stored in the memory
When program is executed by the processor, so that the processor executes such as audio processing described in any item of the claim 1 to 8
The step of noise-reduction method of device.
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