CN107452396A - Noise-reduction method, apparatus and system - Google Patents
Noise-reduction method, apparatus and system Download PDFInfo
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- CN107452396A CN107452396A CN201710806123.8A CN201710806123A CN107452396A CN 107452396 A CN107452396 A CN 107452396A CN 201710806123 A CN201710806123 A CN 201710806123A CN 107452396 A CN107452396 A CN 107452396A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000007613 environmental effect Effects 0.000 claims abstract description 66
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 230000004044 response Effects 0.000 claims description 20
- 238000012790 confirmation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 7
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02163—Only one microphone
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- Acoustics & Sound (AREA)
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- Headphones And Earphones (AREA)
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Abstract
The disclosure is directed to a kind of noise-reduction method, apparatus and system.This method is applied to earphone, and the earphone is provided with microphone and earphone speaker, and microphone is used for the acoustic information for gathering user；This method includes：When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, current environmental noise information is gathered by microphone；According to environmental noise information, anti-noise information is obtained；Anti- noise information and audio-frequency information are superimposed, obtains superposition audio-frequency information；Superposition audio-frequency information is played by earphone speaker.In the technical scheme, when detecting audio-frequency information to be played or playing audio-frequency information, because now microphone does not have the sound for gathering user, therefore environmental noise can be gathered by the microphone, then anti-noise information is obtained according to the environmental noise, and then noise reduction is carried out according to the anti-noise information, realize the scheme that earphone sets a microphone to carry out noise reduction, the structure of earphone is simplified, reduces the manufacturing cost of earphone.
Description
Technical field
This disclosure relates to technical field of information processing, more particularly to a kind of noise-reduction method, apparatus and system.
Background technology
Many users like listening attentively to music in running or reading, enjoy music ring around effect.But because there is ring
The presence of border noise, more especially continue existing noise, easily influence the listening experience of user, therefore noise cancelling headphone meets the tendency of
And give birth to.
Noise cancelling headphone in correlation technique is usually provided with two microphones, except generally making a phone call or sending in user
For gathering outside the microphone of user voice during voice messaging, other one Mike for being used for gathering environmental noise is additionally provided with
Wind.After environmental noise is collected by the microphone, processor can simulate anti-noise information according to the environmental noise,
Then it is delivered to left and right loudspeaker after the anti-noise information is superimposed with audio-frequency information to play out, effectively counteracts environment and make an uproar
Sound listens attentively to user the influence of audio-frequency information.But due to needing to set two microphones in earphone, so the structure of earphone
Complex, manufacturing cost is also higher, does not meet the demand for development of electronics miniaturization and low cost.
The content of the invention
To overcome problem present in correlation technique, the embodiment of the present disclosure provides a kind of noise-reduction method, apparatus and system.Institute
It is as follows to state technical scheme：
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of noise-reduction method, applied to earphone, the earphone is provided with
Microphone and earphone speaker, the microphone are used for the acoustic information for gathering user；Methods described includes：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through the Mike
The current environmental noise information of elegance collection；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
The technical scheme provided by this disclosed embodiment can include the following benefits：Detecting audio letter to be played
When ceasing or playing audio-frequency information, because now microphone does not have the sound for gathering user, therefore can pass through the wheat
Gram elegance collection environmental noise, anti-noise information is then obtained according to the environmental noise, and then dropped according to the anti-noise information
Make an uproar, realize the scheme that earphone sets a microphone to carry out noise reduction, simplify the structure of earphone, reduce the system of earphone
Cause this.
In one embodiment, methods described also includes：
The prompt message that intercom is sent is received, the prompt message is used to indicate that the earphone plays the intercom and connect
The audio-frequency information received；
When receiving the prompt message, it is determined that there is currently the audio-frequency information to be played.
The technical scheme provided by this disclosed embodiment can include the following benefits：It is right that other are received in intercom
When saying the audio-frequency information that machine is sent, prompt message can be sent to the earphone being connected with the intercom, earphone can carry according to this
Show information, instruction microphone opens collection environmental noise, is avoided to ensure timely noise reduction during broadcasting audio-frequency information and indicates wheat
Gram wind long-term work, reduce the operating power of earphone.
In one embodiment, methods described includes：
Acquisition instructions are obtained, gather the acoustic information of active user by the microphone in response to the acquisition instructions；
Halt instruction is obtained, the acoustic information is sent to the intercom in response to the halt instruction, is easy to institute
State intercom and broadcast the acoustic information.
The technical scheme provided by this disclosed embodiment can include the following benefits：Earphone can be according to the finger of user
Showing, open microphone and gather the acoustic information of user so that the collection of acoustic information can be achieved by operating earphone by user,
The practicality of this application scenarios of intercom jar machine is improved, improves Consumer's Experience.
In one embodiment, the earphone is provided with capture button；The acquisition acquisition instructions, in response to the collection
The acoustic information that instruction gathers active user by the microphone includes：
When detecting the capture button by carry out long-press operation, confirmation gets the acquisition instructions；
The acoustic information of the active user during the long-press operates is gathered by the microphone.
The technical scheme provided by this disclosed embodiment can include the following benefits：User can be by setting on earphone
The capture button operation earphone put, improves the convenience that user operates earphone, improves Consumer's Experience.
In one embodiment, the acquisition halt instruction includes：
When the long-press for detecting the capture button operates stopping, confirmation gets the halt instruction.
The technical scheme provided by this disclosed embodiment can include the following benefits：User can be by setting on earphone
The capture button operation earphone put, improves the convenience that user operates earphone, improves Consumer's Experience.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of denoising device, described device are provided with microphone and ear
Machine loudspeaker, the microphone are used for the acoustic information for gathering user；Described device includes：
Acquisition module, for it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played
When, current environmental noise information is gathered by the microphone；
Noise acquisition module, for according to the environmental noise information, obtaining anti-noise information；
Laminating module, for being superimposed the anti-noise information and the audio-frequency information, obtain superposition audio-frequency information；
Playing module, for playing the superposition audio-frequency information by the earphone speaker.
In one embodiment, described device also includes：
Receiving module, for receiving the prompt message of intercom transmission, the prompt message is used to indicate that the earphone is broadcast
Put the audio-frequency information that the intercom receives；
Determining module, for when receiving the prompt message, it is determined that there is currently the audio-frequency information to be played.
In one embodiment, described device includes：
Acquisition module is gathered, for obtaining acquisition instructions, is worked as in response to the acquisition instructions by microphone collection
The acoustic information of preceding user；
Stop acquisition module, for obtaining halt instruction, be sent to the acoustic information in response to the halt instruction
The intercom, it is easy to the intercom to broadcast the acoustic information.
In one embodiment, described device is provided with capture button；The collection acquisition module includes：
First confirms submodule, for when detecting the capture button by carry out long-press operation, confirmation to get institute
State acquisition instructions；
Subelement is gathered, for gathering the sound of the active user during the long-press operates by the microphone
Message ceases.
In one embodiment, the stopping acquisition module including：
Second confirms submodule, and when stopping for being operated in the long-press for detecting the capture button, confirmation gets institute
State halt instruction.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of denoising device, described device are provided with microphone and ear
Machine loudspeaker, the microphone are used for the acoustic information for gathering user；Described device includes：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the processor is configured as：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through the Mike
The current environmental noise information of elegance collection；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
According to the fourth aspect of the embodiment of the present disclosure, there is provided a kind of computer-readable recording medium, be stored thereon with calculating
The step of machine instructs, and first aspect any embodiment methods described is realized in the instruction when being executed by processor.
According to the 5th of the embodiment of the present disclosure the aspect, there is provided a kind of noise reduction system, including intercom and earphone, the earphone
Microphone and earphone speaker are provided with, the microphone is used for the acoustic information for gathering user；The intercom and the ear
Machine connects；
The earphone is used for the acoustic information that active user is gathered by the microphone, then sends out the acoustic information
The intercom is given, is easy to the intercom to broadcast the acoustic information；It is additionally operable to receive in the intercom to be played
Audio-frequency information when, current environmental noise information is gathered by the microphone, then according to the environmental noise acquisition of information
Anti- noise information, and the anti-noise information and audio-frequency information acquisition superposition audio-frequency information are superimposed, and then pass through the ear
Machine loudspeaker plays the superposition audio-frequency information.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 a are the flow charts of the noise-reduction method according to an exemplary embodiment.
Fig. 1 b are the schematic diagrames of the environmental noise information according to an exemplary embodiment.
Fig. 1 c are the schematic diagrames of the anti-noise information according to an exemplary embodiment.
Fig. 1 d are the schematic diagrames of the audio-frequency information according to an exemplary embodiment.
Fig. 1 e are the schematic diagrames of the superposition audio-frequency information according to an exemplary embodiment.
Fig. 1 f are the flow charts of the noise-reduction method according to an exemplary embodiment.
Fig. 1 g are the flow charts of the noise-reduction method according to an exemplary embodiment.
Fig. 2 is the interaction figure of the noise-reduction method according to an exemplary embodiment.
Fig. 3 a are the structural representations of the denoising device according to an exemplary embodiment.
Fig. 3 b are the structural representations of the denoising device according to an exemplary embodiment.
Fig. 3 c are the structural representations of the denoising device according to an exemplary embodiment.
Fig. 3 d are the structural representations of the denoising device according to an exemplary embodiment.
Fig. 3 e are the structural representations of the denoising device according to an exemplary embodiment.
Fig. 4 is the structured flowchart of the denoising device according to an exemplary embodiment.
Fig. 5 is the structured flowchart of the denoising device according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
The technical scheme that the embodiment of the present disclosure provides is related to earphone and intercom, wherein, the earphone can be bluetooth ear
Machine, wired earphone, In-Ear Headphones, headphone or ear-hang etc., the embodiment of the present disclosure is not construed as limiting to this.Correlation technique
In, in order to realize decrease of noise functions, earphone is usually required to set two microphones, so the structure of earphone is complex, is manufactured into
This is also higher.In the technical scheme provided by this disclosed embodiment, the earphone for only setting a microphone, treated detecting
Play audio-frequency information or when playing audio-frequency information, can be with if now microphone does not have the sound for gathering user
Environmental noise is gathered by the microphone, anti-noise information is then obtained according to the environmental noise, and then believe according to the anti-noise
Breath carries out noise reduction, realizes earphone and sets a microphone to carry out the scheme of noise reduction, simplifies the structure of earphone, reduce
The manufacturing cost of earphone.
Fig. 1 a are a kind of flow charts of noise-reduction method according to an exemplary embodiment, and this method is used for earphone, should
Earphone is provided with microphone and earphone speaker, and the microphone is used for the acoustic information for gathering user.As shown in Figure 1a, the noise reduction
Method comprises the following steps 101 to step 104：
In a step 101, when it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played,
Current environmental noise information is gathered by microphone.
Example, earphone can be connected with intercom, and intercom, can be with when receiving the audio-frequency information of other intercoms
Prompting earphone plays the audio-frequency information, and now earphone determines to there is currently audio-frequency information to be played；Or earphone can be with sound
Happy player connection, when the earphone grafting music player, music player plays music, then earphone can determine to work as
It is preceding to play audio-frequency information.Earphone is it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played
When, it can indicate that microphone is opened, and environmental noise information is gathered by the microphone.
In a step 102, according to environmental noise information, anti-noise information is obtained.
Example, earphone, can be by believing the environmental noise after environmental noise information is collected by microphone
The phase of breath carries out reversely, obtaining anti-noise information.Specifically, the phase and amplitude of environmental noise information is as shown in Figure 1 b, its
Amplitude is A, phase π；The phase and amplitude of anti-noise information is obtained after phase is reverse as illustrated in figure 1 c, its amplitude is A,
Phase is 0.It can thus be appreciated that anti-noise information is the information opposite with environmental noise information amplitude same phase.Feelings in practical application
Condition is more complicated, and the embodiment of the present disclosure only carries out exemplary explanation with above-mentioned diagram.
In step 103, anti-noise information and audio-frequency information are superimposed, obtains superposition audio-frequency information.
Example, earphone is overlapped after anti-noise information is got, by the anti-noise information with audio-frequency information.Tool
Body, it is assumed that as shown in Figure 1 d, after the anti-noise information shown in stacking chart 1c, the superposition audio-frequency information of acquisition is such as audio-frequency information
Shown in Fig. 1 e.Situation is more complicated in practical application, and the embodiment of the present disclosure only carries out exemplary explanation with above-mentioned diagram.
At step 104, superposition audio-frequency information is played by earphone speaker.
Example, earphone can indicate that earphone speaker plays the superposition audio-frequency information obtained, and superposition audio-frequency information is by ear
After machine loudspeaker plays, its sound wave continues to propagate in atmosphere.Due to anti-noise information be present in superposition audio-frequency information, then this is anti-
Noise information is offseted with the environmental noise information in air so that propagates the sound before the only surplus superposition of sound wave in access customer ear
Frequency information, effectively reduce the influence that environmental noise listens to audio-frequency information to user.
In the technical scheme provided by this disclosed embodiment, detecting audio-frequency information to be played or playing audio
During information, because now microphone does not have the sound for gathering user, therefore can gather environmental noise by the microphone, so
Anti- noise information is obtained according to the environmental noise afterwards, and then noise reduction is carried out according to the anti-noise information, earphone is realized and sets one
Individual microphone can carry out the scheme of noise reduction, simplify the structure of earphone, reduce the manufacturing cost of earphone.
In one embodiment, as shown in Figure 1 f, this method also includes step 105 and step 106：
In step 105, the prompt message that intercom is sent is received, the prompt message is used to indicate that earphone plays intercom
The audio-frequency information received；
In step 106, when receiving prompt message, it is determined that there is currently audio-frequency information to be played.
Example, intercom can send prompting letter when receiving the audio-frequency information of other intercoms transmission to earphone
Breath.Earphone is when receiving the prompt message, you can confirmation there is currently audio-frequency information to be played, now earphone instruction Mike
Wind is opened and gathers environmental noise information, then carries out noise reduction according to the environmental noise information.
Or intercom can send microphone to earphone and open when receiving the audio-frequency information of other intercoms transmission
Instruction is opened, earphone can determine that confirmation there is currently audio-frequency information to be played, and open microphone in time simultaneously according to the instruction
Environmental noise information is gathered, noise reduction is then carried out according to the environmental noise information.
Specifically, earphone is when it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played,
It can also determine whether current microphone is working, if microphone is currently operating, microphone can not gather environment and make an uproar
Sound is used for noise reduction；If microphone, currently without work, earphone can indicate that microphone is opened and gathers environmental noise information.
In the technical scheme provided by this disclosed embodiment, the audio-frequency information of other intercoms transmission is received in intercom
When, prompt message can be sent to the earphone being connected with the intercom, earphone can indicate that microphone is opened according to the prompt message
Collection environmental noise is opened, is avoided to ensure timely noise reduction during broadcasting audio-frequency information and indicates microphone long-term work, reduce
The operating power of earphone.
In one embodiment, as shown in Figure 1 g, this method also includes step 107 and step 108：
In step 107, acquisition instructions are obtained, the sound for gathering active user by microphone in response to acquisition instructions is believed
Breath.
In step 108, halt instruction is obtained, acoustic information is sent to intercom in response to halt instruction, is easy to pair
Say machine broadcast sounds information.
Example, when earphone is connected with intercom, the acoustic information that user can also be gathered according to the instruction of user is concurrent
Give intercom so that the acoustic information is broadcast to other intercoms by intercom.
Specifically, assume that the earphone is wired earphone, control terminal can be set, on the display screen of the control terminal on earphone cord
Control interface is shown, and collection button and stop button are shown in the control interface.When user needs to join with other users
When being, the collection button can be clicked on.When headset detection to this time is clicked on, it is determined that receiving acquisition instructions, then basis should
Acquisition instructions instruction microphone is opened and gathers the acoustic information of active user.
When the information sent needed for user, which is stated, to be finished, the stop button can be clicked on.When headset detection to this click
When, it is determined that receiving halt instruction, then indicate that microphone is closed according to the halt instruction, and the acoustic information collected is sent out
Give intercom., can be according to the default frequency broadcast acoustic information after intercom receives the acoustic information.
In the technical scheme provided by this disclosed embodiment, earphone can be opened microphone and adopt according to the instruction of user
Collect the acoustic information of user so that the collection of acoustic information can be achieved by operating earphone by user, improve intercom jar
The practicality of this application scenarios of machine, improves Consumer's Experience.
In one embodiment, the earphone is provided with capture button.Acquisition instructions are being obtained, are being passed through in response to acquisition instructions
When microphone gathers the acoustic information of active user, earphone can detect whether capture button is pressed first, be adopted detecting
Collection button by during carry out long-press operation confirm get acquisition instructions, now by microphone gather long-press operate during when
The acoustic information of preceding user, while whether the long-press operation of detection capture button stops in real time, is detecting the length of capture button
When stopping by operation, confirmation gets halt instruction.Preset specifically, earphone can be pressed in the capture button more than first
The capture button is confirmed during duration by carry out long-press operation, and then confirms to get acquisition instructions, now earphone can pass through wheat
Gram elegance collection capture button is pressed the acoustic information of active user in the time-continuing process of this operation, and detection collection in real time
Whether button upsprings, i.e. whether the long-press operation of capture button stops, if headset detection be pressed to capture button this
Capture button is upspring after operation continues the second preset duration, then confirms to get halt instruction, and by second preset duration
The acoustic information inside collected is sent to intercom, and the acoustic information collected in the preset duration of earphone second is that earphone exists
The acoustic information that capture button collects during being long pressed operation.
Example, the earphone can also be bluetooth earphone, be connected with intercom by bluetooth, can now be set on earphone
Put capture button physically.When user needs to contact with other users, the collection button can be pressed and continue at least first
Preset duration.Determine to receive acquisition instructions when headset detection is pressed more than the first preset duration to the collection button, this
When earphone can indicate microphone open and start gather user acoustic information, while monitor in real time the capture button whether bullet
Rise.Before being not detected by capture button and upspringing, the acoustic information of earphone continuous collecting user.When the information sent needed for user
State when finishing, the collection button is pressed in stopping, and now headset detection is upspring to the collection button, is referred to it is determined that receiving stopping
Order, then indicate that microphone is closed according to the halt instruction, and the acoustic information collected is sent to intercom.Intercom connects
, can be according to the default frequency broadcast acoustic information after receiving the acoustic information.
In the technical scheme provided by this disclosed embodiment, user can operate ear by the capture button set on earphone
Machine, the convenience that user operates earphone is improved, improves Consumer's Experience.
Fig. 2 is a kind of interaction figure of noise-reduction method according to an exemplary embodiment, executive agent be intercom and
Earphone, the earphone are provided with microphone, earphone speaker and capture button, and the microphone is used for the sound letter for gathering user
Breath.As shown in Fig. 2 the noise-reduction method comprises the following steps 201 to step 213：
In step 201, intercom receives the audio-frequency information of other intercoms transmission.
In step 202, intercom sends prompt message according to the audio-frequency information to earphone.
The prompt message is used to indicate that earphone plays the audio-frequency information that intercom receives.
In step 203, earphone there is currently audio-frequency information to be played according to the prompt message received, confirmation.
In step 204, earphone gathers current environmental noise information by microphone.
In step 205, earphone obtains anti-noise information according to the environmental noise information.
In step 206, earphone is superimposed anti-noise information and audio-frequency information, obtains superposition audio-frequency information.
In step 207, earphone plays the superposition audio-frequency information by earphone speaker.
In a step 208, earphone monitors whether capture button is pressed more than the first preset duration in real time.
In step 209, earphone confirms to get when detecting that the capture button is pressed more than the first preset duration
Acquisition instructions.
In step 210, earphone response gathers the capture button by the microphone in the acquisition instructions and is pressed this
The acoustic information of active user in the time-continuing process of operation.
In step 211, earphone monitors whether the capture button upsprings in real time.
In the step 212, for earphone when detecting that the capture button is upspring, confirmation gets halt instruction.
In step 213, the acoustic information is sent to intercom by earphone response in the halt instruction.
In step 214, intercom broadcasts the acoustic information according to predeterminated frequency.
Embodiment of the disclosure provides a kind of noise-reduction method, is detecting audio-frequency information to be played or is playing audio
During information, because now microphone does not have the sound for gathering user, therefore can gather environmental noise by the microphone, so
Anti- noise information is obtained according to the environmental noise afterwards, and then noise reduction is carried out according to the anti-noise information, earphone is realized and sets one
Individual microphone can carry out the scheme of noise reduction, simplify the structure of earphone, reduce the manufacturing cost of earphone.
Following is embodiment of the present disclosure, can be used for performing embodiments of the present disclosure.
Fig. 3 a are a kind of structural representations of denoising device 30 according to an exemplary embodiment, and the device 30 can be with
Pass through being implemented in combination with as some or all of of electronic equipment for software, hardware or both.The device 30 is provided with Mike
Wind and earphone speaker, the microphone are used for the acoustic information for gathering user.As shown in Figure 3 a, the denoising device 30 includes adopting
Collect module 301, noise acquisition module 302, laminating module 303 and playing module 304.
Wherein, acquisition module 301, for it is determined that there is currently audio-frequency information to be played or sound is currently played
During frequency information, current environmental noise information is gathered by the microphone.
Noise acquisition module 302, for according to the environmental noise information, obtaining anti-noise information.
Laminating module 303, for being superimposed the anti-noise information and the audio-frequency information, obtain superposition audio-frequency information.
Playing module 304, for playing the superposition audio-frequency information by the earphone speaker.
In one embodiment, as shown in Figure 3 b, described device 30 also includes receiving module 305 and determining module 306.
Wherein, receiving module 305, for receiving the prompt message of intercom transmission, the prompt message is used to indicate institute
State earphone and play the audio-frequency information that the intercom receives.
Determining module 306, for when receiving the prompt message, believing it is determined that there is currently the audio to be played
Breath.
In one embodiment, as shown in Figure 3 c, described device 30 includes collection acquisition module 307 and stops acquisition module
308。
Wherein, acquisition module 307 is gathered, for obtaining acquisition instructions, passes through the Mike in response to the acquisition instructions
The acoustic information of elegance collection active user.
Stop acquisition module 308, for obtaining halt instruction, send the acoustic information in response to the halt instruction
To intercom, it is easy to the intercom to broadcast the acoustic information.
In one embodiment, as shown in Figure 3 d, described device 30 is provided with capture button.The collection acquisition module
307, which include first, confirms submodule 3071 and collection subelement 3072.
Wherein, first confirms submodule 3071, for when detecting the capture button by carry out long-press operation, confirming
Get the acquisition instructions.
Subelement 3072 is gathered, for gathering the active user during the long-press operates by the microphone
Acoustic information.
In one embodiment, as shown in Figure 3 e, the stopping acquisition module 308 includes the second confirmation submodule 3081,
Described second confirms submodule 3081, when for operating in the long-press for detecting the capture button stopping, confirming to obtain
To the halt instruction.
Embodiment of the disclosure provides a kind of denoising device, is detecting audio-frequency information to be played or is playing audio
During information, because now microphone does not have the sound for gathering user, therefore the device can gather environment by the microphone
Noise, anti-noise information is then obtained according to the environmental noise, and then noise reduction is carried out according to the anti-noise information, realize the dress
The scheme for only setting a microphone to carry out noise reduction is put, simplifies the structure of device, reduces the manufacturing cost of device.
The embodiment of the present disclosure provides a kind of noise reduction system, and the system includes intercom and earphone, and the earphone is provided with wheat
Gram wind and earphone speaker, the microphone are used for the acoustic information for gathering user；The intercom is connected with the earphone；
The earphone is used for the acoustic information that active user is gathered by the microphone, then sends out the acoustic information
The intercom is given, is easy to the intercom to broadcast the acoustic information；It is additionally operable to receive in the intercom to be played
Audio-frequency information when, current environmental noise information is gathered by the microphone, then according to the environmental noise acquisition of information
Anti- noise information, and the anti-noise information and audio-frequency information acquisition superposition audio-frequency information are superimposed, and then pass through the ear
Machine loudspeaker plays the superposition audio-frequency information.
Embodiment of the disclosure provides a kind of noise reduction system, is detecting that intercom receives the sound of other intercoms transmission
During frequency information, earphone can gather environmental noise by the microphone for gathering user voice, then according to the environmental noise
Anti- noise information is obtained, and then noise reduction is carried out according to the anti-noise information, earphone is realized and only sets a microphone to enter
The scheme of row noise reduction, the structure of earphone is simplified, reduce the manufacturing cost of earphone.
A kind of earphones 40 of the Fig. 4 according to an exemplary embodiment, the earphone 40 are connected with intercom, and intercom is used for
The audio-frequency information of other intercoms is received, and indicates that earphone 40 plays the audio-frequency information.The earphone 40 include power module 401,
Microphone 402, MCU (micro-control unit, MicrocontrollerUnit) 403, earphone speaker 404, the and of key-press module 405
Link block 406.
Wherein, power module 401 is respectively at the first end of key-press module 405, the first end of microphone 402, MCU403
The first end connection of first end, the first end of earphone speaker 404 and link block 406；Second end of key-press module 405 with
MCU403 the second end connection；MCU403 the 3rd end is connected with the second end of microphone 402, and MCU403 the 4th end is with being connected
The second end connection of module 406, MCU403 the 5th end is connected with the second end of earphone speaker 404.
Wherein, key-press module 405 adds solely in addition to power button (also calling off/closing key), volume+/ volume-button
Vertical PTT (Push To Talk, launching button) button, i.e. capture button.
Earphone 40 generally has three kinds of active emission state, receive information state and silent status states, wherein actively launching
State and receive information state are working condition, and power module 401 can be that in running order earphone 40 is powered.
When detecting user's long-press PTT buttons, earphone 40 has the initiative emission state, and now earphone 40 indicates Mike
Wind 402 is opened and gathers the acoustic information of active user；When detecting that the PTT buttons are pressed in stopping, earphone 40 terminates actively
Emission state, the now instruction of earphone 40 microphone 402 are closed and stop gathering the sound letter of active user by microphone 402
Breath.
Intercom is connected by link block 406 with earphone 40, when intercom receives the audio of other intercoms transmission
During information, prompt message is sent to earphone 40.Earphone 40 indicates that microphone 402 is opened and gathers environment according to the prompt message and made an uproar
Message ceases.The environmental noise information collected is sent to MCU403 by microphone 402.MCU403 obtains according to the environmental noise information
Noise information is negated, and is superimposed audio-frequency information and anti-noise information acquisition superposition audio-frequency information that intercom receives, then will
The superposition audio-frequency information is sent to earphone speaker 404.Earphone speaker 404 plays the superposition audio-frequency information.
If current microphone 402 and earphone speaker 404 do not work, earphone 40 is in silent status.
Embodiment of the disclosure provides a kind of earphone, is detecting audio-frequency information to be played or is playing audio-frequency information
When, because now microphone does not have the sound for gathering user, therefore earphone can gather environmental noise by the microphone, so
Anti- noise information is obtained according to the environmental noise afterwards, and then noise reduction is carried out according to the anti-noise information, earphone is realized and only sets
One microphone can carry out the scheme of noise reduction, simplify the structure of earphone, reduce the manufacturing cost of earphone.
The embodiment of the present disclosure provides a kind of denoising device, and described device is provided with microphone and earphone speaker, the wheat
Gram wind is used for the acoustic information for gathering user；Described device includes：
Processor；
For storing the memory of processor-executable instruction；
Wherein, processor is configured as：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through the Mike
The current environmental noise information of elegance collection；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
In one embodiment, above-mentioned processor is also configured to：The prompt message that intercom is sent is received, it is described to carry
Show that information is used to indicate that the earphone plays the audio-frequency information that the intercom receives；When receiving the prompt message,
It is determined that it there is currently the audio-frequency information to be played.
In one embodiment, above-mentioned processor is also configured to：Acquisition instructions are obtained, in response to the acquisition instructions
The acoustic information of active user is gathered by the microphone；Halt instruction is obtained, in response to the halt instruction by the sound
Message breath is sent to intercom, is easy to the intercom to broadcast the acoustic information.
In one embodiment, the earphone is provided with capture button；Above-mentioned processor is also configured to：Detecting
When the capture button is by carry out long-press operation, confirmation gets the acquisition instructions；The length is gathered by the microphone
The acoustic information of the active user during by operation.
In one embodiment, above-mentioned processor is also configured to：Detecting the long-press of the capture button
When operation stops, confirmation gets the halt instruction.
Embodiment of the disclosure provides a kind of denoising device, is detecting audio-frequency information to be played or is playing audio
During information, because now microphone does not have the sound for gathering user, therefore the device can gather environment by the microphone
Noise, anti-noise information is then obtained according to the environmental noise, and then noise reduction is carried out according to the anti-noise information, realize the dress
The scheme for only setting a microphone to carry out noise reduction is put, simplifies the structure of device, reduces the manufacturing cost of device.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 5 is a kind of structured flowchart for denoising device 50 according to an exemplary embodiment.Device 50 includes
Processing component 502, it further comprises one or more processors, and as the memory resource representated by memory 503, uses
Can be by the instruction of the execution of processing component 502, such as application program in storage.The application program stored in memory 503 can be with
Including it is one or more each correspond to the module of one group of instruction.Refer in addition, processing component 502 is configured as execution
Order, to perform the above method.
Device 50 can also include the power management that a power supply module 506 is configured as performs device 50, and one wired
Or radio network interface 505 is configured as device 50 being connected to network, and input and output (I/O) interface 508.Device 50
It can operate based on the operating system for being stored in memory 503, such as Windows ServerTM, Mac OS XTM, UnixTM,
LinuxTM, FreeBSDTM or similar.
The embodiment of the present disclosure provides a kind of non-transitorycomputer readable storage medium, the instruction in the storage medium
By device 50 computing device when so that device 50 is able to carry out above-mentioned noise-reduction method, and described device 50 is provided with microphone
And earphone speaker, the microphone are used for the acoustic information for gathering user；Methods described includes：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through the Mike
The current environmental noise information of elegance collection；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
In one embodiment, methods described also includes：The prompt message that intercom is sent is received, the prompt message is used
In the audio-frequency information that the instruction earphone broadcasting intercom receives；When receiving the prompt message, it is determined that currently
The audio-frequency information to be played be present.
In one embodiment, methods described includes：Acquisition instructions are obtained, pass through the wheat in response to the acquisition instructions
The acoustic information of gram elegance collection active user；Halt instruction is obtained, sends the acoustic information in response to the halt instruction
To intercom, it is easy to the intercom to broadcast the acoustic information.
In one embodiment, the earphone is provided with capture button；The acquisition acquisition instructions, in response to the collection
The acoustic information that instruction gathers active user by the microphone includes：Detecting the capture button by carry out long-press behaviour
When making, confirmation gets the acquisition instructions；The current use during the long-press operates is gathered by the microphone
The acoustic information at family.
In one embodiment, the acquisition halt instruction includes：Grasped in the long-press for detecting the capture button
When work stops, confirmation gets the halt instruction.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (10)
1. a kind of noise-reduction method, applied to earphone, the earphone is provided with microphone and earphone speaker, and the microphone is used for
Gather the acoustic information of user；Characterized in that, methods described includes：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through Mike's elegance
Collect current environmental noise information；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
2. according to the method for claim 1, it is characterised in that methods described also includes：
The prompt message that intercom is sent is received, the prompt message is used to indicate that the earphone plays the intercom and received
Audio-frequency information；
When receiving the prompt message, it is determined that there is currently the audio-frequency information to be played.
3. method according to claim 1 or 2, it is characterised in that methods described includes：
Acquisition instructions are obtained, gather the acoustic information of active user by the microphone in response to the acquisition instructions；
Halt instruction is obtained, the acoustic information is sent to intercom in response to the halt instruction, is easy to the intercom
Broadcast the acoustic information.
4. according to the method for claim 3, it is characterised in that the earphone is provided with capture button；It is described to obtain collection
Instruction, gathering the acoustic information of active user by the microphone in response to the acquisition instructions includes：
When detecting the capture button by carry out long-press operation, confirmation gets the acquisition instructions；
The acoustic information of the active user during the long-press operates is gathered by the microphone.
5. according to the method for claim 4, it is characterised in that the acquisition halt instruction includes：
When the long-press for detecting the capture button operates stopping, confirmation gets the halt instruction.
6. a kind of denoising device, described device is provided with microphone and earphone speaker, and the microphone is used to gather user's
Acoustic information；Characterized in that, described device includes：
Acquisition module, for when it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, leading to
Cross the microphone and gather current environmental noise information；
Noise acquisition module, for according to the environmental noise information, obtaining anti-noise information；
Laminating module, for being superimposed the anti-noise information and the audio-frequency information, obtain superposition audio-frequency information；
Playing module, for playing the superposition audio-frequency information by the earphone speaker.
7. device according to claim 6, it is characterised in that described device also includes：
Receiving module, for receiving the prompt message of intercom transmission, the prompt message is used to indicate that the earphone plays institute
State the audio-frequency information that intercom receives；
Determining module, for when receiving the prompt message, it is determined that there is currently the audio-frequency information to be played.
8. a kind of denoising device, described device is provided with microphone and earphone speaker, and the microphone is used to gather user's
Acoustic information；Characterized in that, described device includes：
Processor；
For storing the memory of processor-executable instruction；
Wherein, the processor is configured as：
When it is determined that there is currently audio-frequency information to be played or audio-frequency information is currently played, pass through Mike's elegance
Collect current environmental noise information；
According to the environmental noise information, anti-noise information is obtained；
The anti-noise information and the audio-frequency information are superimposed, obtains superposition audio-frequency information；
The superposition audio-frequency information is played by the earphone speaker.
9. a kind of computer-readable recording medium, is stored thereon with computer instruction, it is characterised in that the instruction is held by processor
The step of claim 1 to 5 any one claim methods described is realized during row.
10. a kind of noise reduction system, it is characterised in that including intercom and earphone, the earphone is provided with microphone and earphone is raised
Sound device, the microphone are used for the acoustic information for gathering user；The intercom is connected with the earphone；
The earphone is used for the acoustic information that active user is gathered by the microphone, is then sent to the acoustic information
The intercom, it is easy to the intercom to broadcast the acoustic information；It is additionally operable to receive sound to be played in the intercom
During frequency information, current environmental noise information is gathered by the microphone, is then made an uproar according to the environmental noise acquisition of information is counter
Message ceases, and is superimposed the anti-noise information and audio-frequency information acquisition superposition audio-frequency information, and then is raised by the earphone
Sound device plays the superposition audio-frequency information.
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