CN108391205A - Left and right acoustic channels switching method and apparatus, readable storage medium storing program for executing, terminal - Google Patents

Left and right acoustic channels switching method and apparatus, readable storage medium storing program for executing, terminal Download PDF

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Publication number
CN108391205A
CN108391205A CN201810276605.1A CN201810276605A CN108391205A CN 108391205 A CN108391205 A CN 108391205A CN 201810276605 A CN201810276605 A CN 201810276605A CN 108391205 A CN108391205 A CN 108391205A
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CN
China
Prior art keywords
earphone
information
audio signal
duct
user
Prior art date
Application number
CN201810276605.1A
Other languages
Chinese (zh)
Inventor
严笔祥
Original Assignee
广东欧珀移动通信有限公司
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Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to CN201810276605.1A priority Critical patent/CN108391205A/en
Publication of CN108391205A publication Critical patent/CN108391205A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H04M9/082Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic using echo cancellers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00Signal processing covered by H04R, not provided for in its groups

Abstract

This application involves a kind of left and right acoustic channels switching method and apparatus, computer readable storage medium, terminals.This method includes:The associated acoustic echo impulse response in the current location in user ear canal is obtained with the earphone according to the currently playing audio signal of earphone;The duct information that the earphone is worn is determined according to the acoustic echo impulse response, and the duct information includes left duct information and right ear canal information;According to the duct information, the terminal control is input to the left channel audio signal and right channel audio signal of the earphone, it can automatically switch left and right acoustic channels audio signal with control terminal, adjust the left and right receiver of earphone manually without user, the operating burden for reducing user, provides better audiovisual experience.

Description

Left and right acoustic channels switching method and apparatus, readable storage medium storing program for executing, terminal

Technical field

It, can more particularly to a kind of left and right acoustic channels switching method and apparatus, computer this application involves Audiotechnica field Read storage medium, terminal.

Background technology

With the development of the communication technology, terminal incorporates in people's life closely, substantially improves people’s lives.More Like using terminal come more people and is avoided to him then in order to ensure good listening experience to listen to music and viewing video It is artificial at sound interference, user generally listens to audio using earphone.In order to make user that there is better audiovisual experience, by audio Signal is divided into left channel audio signal and right channel audio signal.But when listening to audio, left and right earphone is worn instead, then using The stereoscopic effect and presence of family uppick can all be deteriorated, moreover, user can only make a left side by exchanging left and right earphone manually Right channel audio signal is in normal condition, cumbersome and time-consuming, reduces the usage experience of user.

Invention content

A kind of left and right acoustic channels switching method and apparatus of the embodiment of the present application offer, computer readable storage medium, terminal, can To automatically switch left and right acoustic channels audio signal, the operating burden of user is reduced, improves user experience.

A kind of left and right acoustic channels switching method, including:

According to the currently playing audio signal of earphone, current location is associated in user ear canal with the earphone for acquisition Acoustic echo impulse response;

Determine that the duct information that the earphone is worn, the duct information include a left side according to the acoustic echo impulse response Duct information and right ear canal information;

According to the duct information, control is input to the left channel audio signal and right channel audio signal of the earphone.

A kind of left and right acoustic channels switching device is applied to terminal, and the terminal is connect with earphone, and described device includes:

Acquisition module, for according to the currently playing audio signal of earphone, acquisition to be worked as with the earphone in user ear canal The associated acoustic echo impulse response in front position;

Determining module, the duct information for determining the earphone wearing according to the acoustic echo impulse response are described Duct information includes left duct information and right ear canal information;

Control module, for being input to the left channel audio signal of the earphone and right sound according to duct information control Audio channel signal.

A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor The step of left and right acoustic channels switching method in each embodiment of the application is realized when row.

A kind of terminal, including memory, processor and storage are on a memory and the computer that can run on a processor Program, which is characterized in that the processor realizes the left and right sound in each embodiment of the application when executing the computer program The step of channel switching method.

A kind of earphone, including electroacoustic transducer, memory, processor and storage can transport on a memory and on a processor Capable computer program, the processor are electrically connected with the electroacoustic transducer and the memory, and the processor executes institute The step of acoustic signal processing method in each embodiment of the application is realized when stating computer program.

Left and right acoustic channels switching method and apparatus provided by the embodiments of the present application, computer readable storage medium, terminal, ear Machine obtains with the earphone the associated acoustics time in the current location in user ear canal according to the currently playing audio signal of earphone Ping responds;The duct information that the earphone is worn, the duct packet are determined according to the acoustic echo impulse response Include left duct information and right ear canal information;According to the duct information, the terminal control is input to the L channel of the earphone Audio signal and right channel audio signal can automatically switch left and right acoustic channels audio signal with control terminal, be adjusted manually without user The left and right receiver for saving earphone, reduces the operating burden of user, provides better audiovisual experience.

Description of the drawings

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 technology 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 Obtain other attached drawings according to these attached drawings.

Fig. 1 is the application environment schematic diagram of left and right acoustic channels switching method in one embodiment;

Fig. 2 is the internal structure schematic diagram of terminal in one embodiment;

Fig. 3 is the flow chart of left and right acoustic channels switching method in one embodiment;

Fig. 4 is associated with the earphone current location according to currently playing audio signal determination in one embodiment The flow chart of acoustic echo impulse response;

Fig. 5 is the flow chart of left and right acoustic channels switching method in another embodiment;

Fig. 6 is to determine the duct information that the earphone is worn according to the acoustic echo impulse response in one embodiment Flow chart;

Fig. 7 is the flow chart of left and right acoustic channels switching method in further embodiment;

Fig. 8 is the flow chart of left and right acoustic channels switching method in another embodiment;

Fig. 9 is the structure diagram of left and right acoustic channels switching device in one embodiment;

Figure 10 is the block diagram with the part-structure of the relevant mobile phone of terminal provided by the embodiments of the present application.

Specific implementation mode

It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be 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.

It is appreciated that term " first " used in the present invention, " second " etc. can be used to describe herein various elements, But these elements should not be limited by these terms.These terms are only used to distinguish first element and another element.Citing comes It says, without departing from the scope of the invention, first acquisition unit can be known as to second acquisition unit, and similarly, Second acquisition unit can be known as first acquisition unit.First acquisition unit and second acquisition unit both acquiring unit, But it is not same acquiring unit.

Fig. 1 is the application environment schematic diagram of one embodiment middle pitch frequency signal processing method.As shown in Figure 1, this applies ring Border includes terminal 110 and the earphone 120 that is communicated with the terminal 110.

Wherein, the type of earphone 120 can be In-Ear wire/wireless earphone, ear type wire/wireless earphone etc..Eventually End 110 can be communicated with earphone 120 by wired or wireless mode, realize the transmission of data.

Earphone 120 includes the first receiver and the second receiver, and the first receiver of earphone 120/loud speaker, the second receiver/is raised one's voice Device is respectively positioned in the duct (duct) of user.In order to ensure that headset user can hear the preferable stereophonic effect of audio, give tacit consent to Under state, left channel audio signal is sent to the first receiver, wherein the first receiver is located at the left duct of user;By right channel Audio signal is sent to the second receiver, and the second receiver is located at the left duct of user.

Fig. 2 is the internal structure schematic diagram of terminal in one embodiment.The terminal 110 includes being connected by system bus Processor, memory and display screen.Wherein, which supports the fortune of entire terminal 110 for providing calculating and control ability Row.Memory for storing data, program, and/or instruction code etc., at least one computer program is stored on memory, should Computer program can be executed by processor, to realize at the audio signal suitable for terminal 110 provided in the embodiment of the present application Reason method.Memory may include that magnetic disc, CD, read-only memory (Read-Only Memory, ROM) etc. are non-volatile and deposit Storage media or random access memory (Random-Access-Memory, RAM) etc..For example, in one embodiment, storage Device includes non-volatile memory medium and built-in storage.Non-volatile memory medium is stored with operating system, database and calculating Machine program.It is related that a kind of acoustic signal processing method provided for realizing above each embodiment is stored in the database Data.The computer program can be performed by processor, for realizing a kind of sound that each embodiment of the application is provided Frequency signal processing method.Built-in storage provides for operating system, database and the computer program in non-volatile memory medium The running environment of cache.Display screen can be touch screen, for example be capacitance plate or electrical screen, for display terminal 110 Interface information, display screen include bright screen state and screen state of going out.The terminal 110 can be mobile phone, tablet computer or a number Word assistant or Wearable etc..

It will be understood by those skilled in the art that structure shown in Figure 2, is only tied with the relevant part of application scheme The block diagram of structure, does not constitute the restriction for the terminal 110 being applied thereon to application scheme, and specific terminal 110 can wrap It includes than more or fewer components as shown in the figure, either combine certain components or is arranged with different components.

Fig. 3 is the flow chart of left and right acoustic channels switching method in one embodiment.Left and right acoustic channels switching side in the present embodiment Method is described for running on the terminal in Fig. 1 or earphone.As shown in figure 3, left and right acoustic channels switching method includes step 302 to step 306.

Step 302:Acoustics associated with the earphone current location is obtained according to the currently playing audio signal of earphone Echo impulse response.

When user received calls using ear type, In-Ear Headphones, is listened to music, play game when, need earphone Receiver is placed in the duct of user.When earphone currently has audio signal broadcasting, the permeatal reflection of audio signal and vibration Acoustic echo signal can be formed, according to the acoustic echo signal of the audio signal of broadcasting and acquisition, so that it may exist with earphone to obtain The associated acoustic echo impulse response in current location in user ear canal, the acoustic echo impulse response are current for characterizing earphone The space characteristics of place duct, it is understood that the ear line information of duct is currently located for duct.It simultaneously can also be with different Acoustic echo impulse response characterizes the location information that earphone is located at the different location of user ear canal.

It is understood that audio signal can be the multimedia file being currently played, or communication process In user or contact person voice signal, can also be mankind's hearing normal range (NR) except audio signal (be higher than The audio signal of 20KHz), even if earphone be can't hear if being located at user in the ear of user.

Step 304:The duct information that the earphone is worn is determined according to the acoustic echo impulse response.

Wherein, duct information includes left duct information and right ear canal information, wherein duct information is it can be appreciated that user Ear line information.Since the ear line information of each user's ear has uniqueness, meanwhile, the ear line information of left and right ear also has only One property, therefore can determine that earphone corresponding with ear line information is specifically the left duct for being worn on user according to ear line information, also Be be worn on for right ear canal.Specifically, can be believed to obtain the ear line of user according to the acoustic echo impulse response of acquisition Breath, and then can know specifically to be worn on the left duct of user with earphone corresponding with ear line information, still it is worn on use In right ear canal.

Step 306:According to the duct information, control is input to the left channel audio signal and right channel sound of the earphone Frequency signal.

Specifically, according to the duct information, it may be determined that the first receiver of earphone and the wearing position of the second receiver are The left duct or right ear canal of user.Meanwhile configuring the left channel audio signal for the receiver for being worn on the left duct of user;For The receiver for being worn on user's right ear canal configures the right channel audio signal.

Terminal control is input to the left channel audio signal and right channel audio signal of earphone, wherein control mode can be with It is realized, can also be controlled by software approach by hardware circuit.For example, it may be left channel audio signal and right channel Audio signal is connected to each receiver through corresponding switch, is realized to left channel signals by controlling the state of these switches With the switching of the transmission path of right-channel signals.For example, if the audio signal of earphone is the digital sounds of I2S (Inter-IC Sound) Frequency signal, I2S format audio signals include mainly serial clock (SCLK) signal of each data of corresponding digital audio, use In the audio data row data that frame clock (LRCK) signal and string of switching right and left channel data are indicated with the complement of two's two's complement (SDATA) signal.With the development of technology, under unified I2S interfaces, there are a variety of different data formats, including:It is left Alignment, I2S formats, Right Aligns.Format is aligned for left/right:Frame clock signal be high level " 1 " when indicate transmitting be The data (left channel audio signal) of L channel, when frame clock signal is low level " 0 ", then it represents that is transmitted is right channel Data (right channel audio signal);For standard I2S formats:When frame clock signal is low level " 0 ", then it represents that transmitting Be L channel data, frame clock signal be high level " 1 " when, then it represents that is transmitted is the data of right channel.So, Can be according to the data format of I2S interfaces, it can be by right to carry out sound channel hand-off process to the digital audio and video signals of I2S formats Frame clock signal carries out what reverse phase processing was realized.

It is possible to further only handle the I2S format audio signals during this wearing.Work as earphone quilt every time When taking, the digital audio and video signals of I2S formats restore to original state, that is, stop carrying out reverse phase processing to frame clock signal.

Above-mentioned left and right acoustic channels switching method obtains and the earphone current location according to the currently playing audio signal of earphone Associated acoustic echo impulse response;The duct information that the earphone is worn is determined according to the acoustic echo impulse response, The duct information includes left duct information and right ear canal information;According to the duct information, the terminal control is input to institute The left channel audio signal and right channel audio signal of earphone are stated, left and right acoustic channels audio signal can be automatically switched with control terminal, The left and right receiver for adjusting earphone manually without user, reduces the operating burden of user, provides better audiovisual experience.

As shown in figure 4, in one embodiment, it is described current with the earphone according to currently playing audio signal determination The associated acoustic echo impulse response in position, including:

Step 402:It obtains the earphone and plays the audio signal;

The audio signal that earphone plays, can be controlled due to the terminal being connect with the earphone, which utilizes earphone Corresponding audio signal is exported, and obtains the currently playing audio signal of earphone.The audio signal can be application program (music Class, video class, game class, conversational class etc.) multimedia file that plays and the music, voice signal or the hearing user model that send out Voice signal other than enclosing, the audio signal can also be the voice signal etc. of user or contact person in communication process.

Step 404:The acoustic echo signal recorded the permeatal reflection of the audio signal and vibration and formed;

Earphone includes electroacoustic transducer, and electroacoustic transducer can be used as receiver (loud speaker/loudspeaker), audio signal is corresponded to Electric signal be converted into the acoustic signals that user can hear.Meanwhile electroacoustic transducer is to the sound wave in user ear canal (duct) It is very sensitive, the vibration of diffuser can be caused, the coil being connected with cone is driven to be cut in the magnetic field of permanent magnet The movement of the magnetic line of force is cut, (the phenomenon that generating electric current is physically claiming to generate the electric current changed with the variation of sound wave For electromagnetic induction phenomenon), meanwhile, it will export the electromotive force of audio at coil both ends.Therefore, electroacoustic transducer can also record sound The acoustic echo signal generated after the permeatal reflection of frequency signal and vibration.That is, electroacoustic transducer can also be used as Mike Wind uses.

Electroacoustic transducer, although its type, function or working condition are different, they all include two elements, That is electric system and mechanical vibrating system pass through certain physics inside electroacoustic transducer between electric system and mechanical vibrating system Effect connects each other, to complete the conversion of energy.

Based on the permeatal reflection of the electroacoustic transducer recording audio signal and vibration for playing the audio signal The acoustic echo signal of formation need not acquire acoustic echo signal by the way that microphone is additionally arranged in earphone, save Cost simplifies the internal structure of earphone.

Optionally, can also be recorded by the microphone being arranged in earphone the audio signal it is permeatal reflection and The acoustic echo signal of vibration and formation.Wherein, when earphone is worn in the ear of access customer, microphone setting is in earphone and use The side that family duct is in contact, that is, microphone is arranged on the earphone case of setting loud speaker through-hole.

Step 406:Sound associated with the earphone current location is determined according to the audio signal, acoustic echo signal Learn echo impulse response.

Wherein, the audio signal that headset earpiece plays is s (t), and the collected acoustic echo signal of electroacoustic transducer is r (t), echo impulse response associated with earphone current location is indicated with w (t), therefore can obtain following expression:

R (t)=s (t) * w (t) (1)

In formula, w (t) is a parameter that can reflect earphone and user ear canal coupling, can be used for characterizing earphone and be put Set the spatial-acoustic feature in user ear canal.In formula (1), it is that r (t) can be with that audio signal, which is s (t) with acoustic echo signal, It is monitored and is obtained by the voicefrequency circuit that earphone or terminal are arranged, and then the current location phase in user ear canal can be obtained with earphone Associated echo impulse response w (t).Wherein, acoustic echo impulse response w (t) can be understood as earphone and be currently located user's ear The spatial-acoustic feature in road, that is, the ear line feature of each user.At the same time it can also be rung with different acoustic echo pulses W (t) is answered to characterize the different location that earphone is located inside user's ear.

Further, a noise factor e (t) can also be increased in above-mentioned formula (1), wherein noise factor e (t) includes Ambient noise and circuit noise;Ambient noise is the process for acoustic echo signal of recording when not having playing audio signal s (t) The ambient noise of middle generation, the ambient noise can have additional microphone to acquire;Circuit noise is in earphone built-in circuit Caused by noise, be the build-in attribute of earphone.It is known parameters to increase noise factor e (t), after considering noise factor e (t), Its formula (1) can be changed to:

R (t)=s (t) * w (t)+e (t) (2)

In formula (2), the noise factor e (t) that newly increases, audio signal are s (t) and acoustic echo signal is r (t) equal For known parameters, and then echo impulse response w (t) associated with earphone current location can be obtained.

As shown in figure 5, in one embodiment, it is described to determine that the earphone is worn according to the acoustic echo impulse response Duct information before, further include:

Step 502:The input for receiving user is operated to start subscriber identity information registration.

Since acoustic echo response can characterize the ear line information of user, can be used for characterizing based on acoustic echo response The acoustic signature of subscriber identity information.Before executing the left and right acoustic channels switching method, it is also necessary to receive the input operation of user To start subscriber identity information registration.Based on the terminal that earphone is connect with the earphone, can prompt to use in the display interface of terminal Family whether need carry out subscriber identity information registration, according to the demand of the user, user can make response to prompt message, when with When family executes the input operation for needing to carry out subscriber identity information registration, that is, start the program of subscriber identity information registration.

It should be noted that the inputs operation such as input operation can be touched, be pulled, sliding, voice, gesture, not right herein The concrete form of the input operation of user is further to be limited.

Step 504:Display operation is guided, and generates multiple predetermined acoustic echoes associated with the earphone current location Pulse is rung.

When starting subscriber identity information registration, terminal can show in the display interface of terminal according to the registration request and be used for How prompt user completes the prompting interface of the operating process of registration, and provide the required execution step of user instructs flow. Such as by earphone place user ear canal in, adjustment earphone the position of duct, confirm hear a clearly audio signal etc..

According to the operating process of prompt, the receiver of earphone is placed on the position that the left duct of user identifies oneself the most comfortable by user When, which is defined as preset position information.At this point, preset audio signal is played, while being recorded using electroacoustic transducer should The left ear echo signal that preset audio signal is reflected back through duct, according to the preset audio signal and left ear echo signal, so that it may To obtain the predetermined acoustic echo impulse response in the left ear of the predetermined position.Correspondingly, earphone can be adjusted in left duct In position, obtain the predetermined acoustic echo impulse response of one group (1-10) left duct, the predetermined acoustic echo arteries and veins of left duct Left duct information of the punching response corresponding to user.

It is also possible to which the receiver of earphone to be placed on to the right ear canal of user, and earphone is adjusted in the position of right ear canal, obtain The predetermined acoustic echo impulse response of one group of (1-10) right ear canal, the predetermined acoustic echo impulse response of right ear canal is taken to correspond to The right ear canal information of user.

Step 506:Presetting database is formed according to the predetermined acoustic echo impulse response of generation.

According to the one of generation group for characterize left duct information the impulse response of predetermined acoustic echo and one group be used for table Levy the predetermined acoustic echo impulse response of the right ear canal of right ear canal information, so that it may to complete the registration to the subscriber identity information, The identity information of user can be characterized with two groups of (left duct and right ear canal) the predetermined acoustic echo impulse responses obtained.

Correspondingly, multigroup predetermined acoustic echo impulse response of different user can be obtained, and by the different user of acquisition Predetermined acoustic echo impulse response storage in the preset database.

It should be noted that two groups of predetermined acoustic echo impulse responses for storing each user in presetting database have It can reflect the unique identification of subscriber identity information, meanwhile, each predetermined acoustic echo pulse corresponds to a position of duct Confidence ceases, that is, each predetermined acoustic echo impulse response can reflect the identity information of the user, duct information and position In the location information in duct.

As shown in fig. 6, in one embodiment, the ear that the earphone is worn is determined according to the acoustic echo impulse response Road information, including:

Step 602:Judge whether the acoustic echo impulse response obtained stores in the preset database.

Obtain to current earphone in user ear canal that position information is related according to the currently playing audio signal of earphone The acoustic pulses of connection respond, the predetermined acoustic echo arteries and veins that will be stored in the acoustic echo impulse response of acquisition and the presetting database Punching response is matched, if successful match, it may be considered that the acoustic echo impulse response of the acquisition is stored in presetting database In, it is performed simultaneously step 604:The ear that the earphone is worn is determined according to multiple predetermined acoustic echo responses in presetting database Road information.

The corresponding identity of acoustic echo impulse response can be obtained according to matched predetermined acoustic echo impulse response Information, duct information and the location information in duct.For example, if a receiver of earphone is located at the left duct of user A, It is then the user A receiver configuration left channel audio signals, if a receiver of earphone is located at the right ear canal of user B, for this The user B receivers configure right channel audio signal.That is, when user A shares music together with user B, a people can only wear One headset earpiece can also provide complete audio experience, that is to say, that with a headset earpiece at this moment switching sound channel The music of complete sound channel can be enjoyed.

If matching is unsuccessful, it may be considered that the acoustic echo impulse response of the acquisition is not stored in presetting database, It is performed simultaneously step 606:The application program for handling the audio signal that the earphone is currently played is closed in control.If With unsuccessful, it may be considered that, current earphone is not placed in the duct of user, alternatively, earphone is placed on stranger (not in advance Be stored in preset data) duct in.If earphone is not placed in the duct of user, show that user need not listen to music at this time Or terminate call, it will turn off the application program that user handles the audio signal at this time, the power consumption of terminal can be saved.If ear Machine is placed in the duct of stranger, and the application program that user handles the audio signal can also be automatically closed, avoid stranger The privacy information for stealing user protects the privacy of user.

As shown in fig. 7, in one embodiment, further including:

Step 702:Based on the presetting database, determine that presently described earphone is located at the location information of duct.

Obtain to current earphone in user ear canal that position information is related according to the currently playing audio signal of earphone The acoustic pulses of connection respond, the predetermined acoustic echo arteries and veins that will be stored in the acoustic echo impulse response of acquisition and the presetting database Punching response is matched, if successful match, it may be considered that the acoustic echo impulse response of the acquisition is stored in presetting database In.According to matched predetermined acoustic echo impulse response can obtain the corresponding identity information of acoustic echo impulse response, Duct information and the location information in duct.

Step 704:Obtain the relative position information of the location information and preset position information.

Wherein, preset position information is the position that user identifies oneself the most comfortable, that is, when listening to music, the position of earphone placement The audio visual effect set is best, and the position that the receiver of earphone will not impact the ear of user.It is returned according to the acoustics of acquisition Sound can accordingly obtain the location information that current earphone receiver is located in user ear canal.By the location information and predeterminated position of acquisition Information is compared, and relative position is obtained.Wherein, relative position information includes range information and directional information.If for example, relative position Information is -0.5 millimeter, and wherein "-" indicates 0.5 millimeter mobile relative to predeterminated position outside (outer auricle), if relative position Information is+0.5 millimeter, and wherein "+" indicates 0.5 millimeter mobile relative to predeterminated position inside (eardrum).

Step 706:Adjusting the output volume of the earphone according to the relative information or execute reminds user to adjust earphone The operation of position.

Specifically, the output volume of earphone can be adjusted according to the relative information of acquisition.For example, if relative position is believed Breath is -0.5 millimeter, then increases the output volume of earphone automatically, and the incrementss of output volume are opposite at a distance from earphone movement It answers.If if relative position information is+0.5 millimeter, the automatic output volume for reducing earphone, the decrement and ear of output volume The distance of machine movement is corresponding.

Optionally, the operation for reminding user to adjust earphone position can also be executed according to the relative information of acquisition.If for example, Relative position information is -0.5 millimeter, then reminds user's earphone to loosen, so that user manually adjusts the position of earphone, with reality Now best audio visual effect, if relative position information is+0.5 millimeter, the tension for reminding user's earphone to wear, so that user is manual Adjust earphone position, to prevent to user external auditory canal or hearing cause to damage.

Method in the present embodiment can obtain the tightness of earphone wearing, to adjust by relative position information It saves the volume of earphone or executes the operation for reminding user to adjust earphone position, to promote user experience.

As shown in figure 8, in one embodiment, the left and right acoustic channels switching method, including:

Step 802:Acoustics associated with the earphone current location is obtained according to the currently playing audio signal of earphone Echo impulse response;

Step 804:The duct information that the earphone is worn, the duct letter are determined according to the acoustic echo impulse response Breath includes left duct information and right ear canal information;

Step 806:According to the duct information, the terminal control be input to the earphone left channel audio signal and Right channel audio signal;

Wherein, step 802- steps 806 are corresponded with the step 302- steps 306 in previous embodiment, here, no longer It repeats.

Step 808:Receive tapping operation of the user in the terminal.

When user listened to music by earphone, listens song, play games when, whether detection user performs percussion behaviour in terminal Make.For example, terminal can acquire the tapping operation by included microphone of terminal etc..Wherein, it carries and strikes in tapping operation Hit number, tap rhythm etc..

Step 810:Corresponding operation, the default application program are executed to default application program according to the tapping operation For the corresponding application program of presently described earphone audio signal being played on.

According to current earphone audio signal being played on, the default application program in the audio signal is executed corresponding Operation, which can be to play, pause, adjust volume, switching, search, collection, downloads or shared audio being played on Signal;Can also be to close the default application program;Can also be to initiate call, terminating telephone calling, recording etc..Example Such as, if tapping once, control tunes up volume, if tapping twice, controls and closes described default application program etc..

Method in the present embodiment can realize the control to presetting application program according to the tapping operation of reception, convenient Fast, user's operation can be greatly simplified, service efficiency is improved, improves user experience.

It should be understood that although each step in the flow chart of Fig. 1-8 is shown successively according to the instruction of arrow, These steps are not that the inevitable sequence indicated according to arrow executes successively.Unless expressly stating otherwise herein, these steps Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 1-8 Part steps may include that either these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively It carries out, but can either the sub-step of other steps or at least part in stage be in turn or alternately with other steps It executes.

Fig. 9 is the structure diagram of the left and right acoustic channels switching device of one embodiment.Left and right acoustic channels switching device, including:

Acquisition module 910, for according to the currently playing audio signal of earphone, obtaining with the earphone in user ear canal The associated acoustic echo impulse response in current location;

Determining module 920, the duct information for determining the earphone wearing according to the acoustic echo impulse response, institute It includes left duct information and right ear canal information to state duct information;

Control module 930, for according to the duct information, control be input to the earphone left channel audio signal and Right channel audio signal.

Above-mentioned left and right acoustic channels switching device, can be obtained according to the currently playing audio signal of earphone with the earphone with The associated acoustic echo impulse response in current location in the duct of family;The earphone is determined according to the acoustic echo impulse response The duct information of wearing, the duct information include left duct information and right ear canal information;According to the duct information, the end End control is input to the left channel audio signal and right channel audio signal of the earphone, can automatically switch left and right with control terminal Channel audio signal adjusts the left and right receiver of earphone without user, reduces the operating burden of user, provides better audiovisual manually Experience.

In one embodiment, acquisition module, including:

First acquisition unit plays the audio signal for obtaining the earphone;

Recording elements record the acoustic echo signal of the audio signal permeatal reflection and vibration and formation;

Determination unit, for being determined with the earphone in user ear canal according to the audio signal, acoustic echo signal The associated acoustic echo impulse response in current location.

In one embodiment, left and right acoustic channels switching device further includes:

Receiving module, the input for receiving user are operated to start subscriber identity information registration;

Display module guides for display operation and generates that multiple current location is related in user ear canal to the earphone The predetermined acoustic echo impulse response of connection;

Module is produced, for forming presetting database according to the predetermined acoustic echo impulse response of generation.

In one embodiment, determining module, including:

Judging unit, for judging whether the acoustic echo impulse response obtained stores in the preset database;

Control unit, for controlling the application journey closed for handling the audio signal that the earphone is currently played Sequence.

In one embodiment, determining module further includes:

Determination unit is additionally operable to be based on the presetting database, determines that presently described earphone is located at the location information of duct;

Second acquisition unit, the relative position information for obtaining the location information and preset position information;

Processing unit, output volume or execution for adjusting the earphone according to the relative information remind user's adjustment The operation of earphone position.

Device in the present embodiment can obtain the tightness of earphone wearing, to adjust by relative position information It saves the volume of earphone or executes the operation for reminding user to adjust earphone position, to promote user experience.

In one embodiment, control module is additionally operable to according to the duct information, to be worn on listening for the left duct of user Cylinder configures the left channel audio signal, and the receiver to be worn on user's right ear canal configures the right channel audio signal.

In one embodiment, the left and right acoustic channels switching device further includes:

Receiving module, for receiving tapping operation of the user on the earphone;

Control module also user executes corresponding operation according to the tapping operation to default application program, and described preset is answered It is the corresponding application program of presently described earphone audio signal being played on program.

Device in the present embodiment can realize the control to presetting application program according to the tapping operation of reception, convenient Fast, user's operation can be greatly simplified, service efficiency is improved, improves user experience.

The division of modules is only used for for example, in other embodiments in above-mentioned left and right acoustic channels switching device, can Left and right acoustic channels switching device is divided into different modules as required, with complete above-mentioned left and right acoustic channels switching device whole or Partial function.

Specific about left and right acoustic channels switching device limits the limit that may refer to above for left and right acoustic channels switching method Fixed, details are not described herein.Modules in above-mentioned left and right acoustic channels switching device can fully or partially through software, hardware and its It combines to realize.Above-mentioned each module can be embedded in or in the form of hardware independently of in the processor in computer equipment, can also It is stored in a software form in the memory in computer equipment, in order to which processor calls the above modules of execution corresponding Operation.

The realization of modules in the left and right acoustic channels switching device provided in the embodiment of the present application can be computer program Form.The computer program can be run in terminal or server.The program module that the computer program is constituted is storable in On the memory of terminal or server.When the computer program is executed by processor, side described in the embodiment of the present application is realized The step of 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 processor executes the step of left and right acoustic channels switching method.

A kind of computer program product including instruction, when run on a computer so that computer executes left and right Sound channel switching method.

The embodiment of the present application also provides a kind of terminals.As shown in Figure 10, for convenience of description, it illustrates only and the application The relevant part of embodiment, particular technique details do not disclose, please refer to the embodiment of the present application method part.The terminal can be Including mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), vehicle-mounted computer, the arbitrary terminal device such as Wearable, by taking terminal is mobile phone as an example:

Figure 10 is the block diagram with the part-structure of the relevant mobile phone of terminal provided by the embodiments of the present application.With reference to figure 10, hand Machine includes:Radio frequency (Radio Frequency, RF) circuit 1010, memory 1020, input unit 1030, display unit 1040, Sensor 1050, voicefrequency circuit 1060, Wireless Fidelity (wireless fidelity, WiFi) module 1070, processor 1080, And the equal components of power supply 1090.It will be understood by those skilled in the art that handset structure shown in Fig. 10 is not constituted to mobile phone It limits, may include either combining certain components or different components arrangement than illustrating more or fewer components.

Wherein, RF circuits 1010 can be used for receiving and sending messages or communication process in, signal sends and receivees, can be by base station After downlink information receives, handled to processor 1080;The data of uplink can also be sent to base station.In general, RF circuits include But be not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuits 1010 can also be communicated with network and other equipment by radio communication.It is above-mentioned wireless Communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE)), Email, Short message service (Short Messaging Service, SMS) etc..

Memory 1020 can be used for storing software program and module, and processor 1080 is stored in memory by operation 1020 software program and module, to execute various function application and the data processing of mobile phone.Memory 1020 can be led To include program storage area and data storage area, wherein program storage area can storage program area, needed at least one function Application program (such as the application program of sound-playing function, application program of image player function etc.) etc.;It data storage area can Storage uses created data (such as audio data, address list etc.) etc. according to mobile phone.In addition, memory 1020 can wrap High-speed random access memory is included, can also include nonvolatile memory, for example, at least disk memory, a flash memories Part or other volatile solid-state parts.

Input unit 1030 can be used for receiving the number or character information of input, and generates and set with the user of mobile phone 1000 It sets and the related key signals of function control inputs.Specifically, input unit 1030 may include operation panel 1031 and other Input equipment 1032.Operation panel 1031, alternatively referred to as touch screen collect user on it or neighbouring touch operation (are compared Such as user is using finger, stylus any suitable object or attachment on operation panel 1031 or near operation panel 1031 Operation), and corresponding attachment device is driven according to preset formula.In one embodiment, operation panel 1031 can Including both touch detecting apparatus and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and examine The signal that touch operation is brought is surveyed, touch controller is transmitted a signal to;Touch controller is received from touch detecting apparatus to be touched Information is touched, and is converted into contact coordinate, then gives processor 1080, and order that processor 1080 is sent can be received and added To execute.Furthermore, it is possible to realize operation panel using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves 1031.In addition to operation panel 1031, input unit 1030 can also include other input equipments 1032.Specifically, other are inputted Equipment 1032 can include but is not limited to one in physical keyboard, function key (such as volume control button, switch key etc.) etc. Kind is a variety of.

Display unit 1040 can be used for showing information input by user or be supplied to user information and mobile phone it is each Kind menu.Display unit 1040 may include display panel 1041.In one embodiment, liquid crystal display may be used (Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode, ) etc. OLED forms configure display panel 1041.In one embodiment, operation panel 1031 can cover display panel 1041, When operation panel 1031 detects on it or after neighbouring touch operation, processor 1080 is sent to determine touch event Type is followed by subsequent processing device 1080 and provides corresponding visual output on display panel 1041 according to the type of touch event.Although In Fig. 10, operation panel 1031 and display panel 1041 are to realize the input and input of mobile phone as two independent components Function, but in some embodiments it is possible to operation panel 1031 and display panel 1041 are integrated and are realized the input of mobile phone And output function.

Mobile phone 1000 may also include at least one sensor 1050, such as optical sensor, motion sensor and other biographies Sensor.Specifically, optical sensor may include ambient light sensor and range sensor, wherein ambient light sensor can be according to ring The light and shade of border light adjusts the brightness of display panel 1041, and range sensor can close display when mobile phone is moved in one's ear Panel 1041 and/or backlight.Motion sensor may include acceleration transducer, can detect all directions by acceleration transducer The size of upper acceleration can detect that size and the direction of gravity when static, the application that can be used to identify mobile phone posture is (such as horizontal Vertical screen switches), Vibration identification correlation function (such as pedometer, tap) etc.;In addition, mobile phone can also configure gyroscope, barometer, Other sensors such as hygrometer, thermometer, infrared sensor etc..

Voicefrequency circuit 1060, loud speaker 1061 and microphone 1062 can provide the audio interface between user and mobile phone.Sound The transformed electric signal of the audio data received can be transferred to loud speaker 1061 by frequency circuit 1060, by 1061 turns of loud speaker It is changed to voice signal output;On the other hand, the voice signal of collection is converted to electric signal by microphone 1062, by voicefrequency circuit Audio data is converted to after 1060 receptions, then by after the processing of audio data output processor 1080, can be sent out through RF circuits 1010 Another mobile phone is given, or audio data is exported to memory 1020 so as to subsequent processing.

WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 1070 Part, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Figure 10 is shown WiFi module 1070, but it is understood that, and it is not belonging to must be configured into for mobile phone 1000, it can save as needed Slightly.

Processor 1080 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, By running or execute the software program and/or module that are stored in memory 1020, and calls and be stored in memory 1020 Interior data execute the various functions and processing data of mobile phone, to carry out whole monitoring to mobile phone.In one embodiment, Processor 1080 may include one or more processing units.In one embodiment, processor 1080 can integrate application processor And modem, wherein the main processing operation system of application processor, user interface and application program etc.;Modem Main processing wireless communication.It is understood that above-mentioned modem can not also be integrated into processor 1080.For example, The processor 1080 can integrate application processor and baseband processor, baseband processor with and the composable tune such as other peripheral chips Modulator-demodulator.Mobile phone 1000 further includes the power supply 1090 (such as battery) powered to all parts, it is preferred that power supply can pass through Power-supply management system and processor 1080 are logically contiguous, to realize management charging, electric discharge, Yi Jigong by power-supply management system The functions such as consumption management.

In one embodiment, mobile phone 1000 can also include camera, bluetooth module etc..

In the embodiment of the present application, when the processor included by the mobile phone executes the computer program of storage on a memory Realize above-mentioned described left and right acoustic channels switching method.

The application also provides a kind of earphone, including electroacoustic transducer, memory, processor and storage are on a memory and can The computer program run on a processor, the processor is electrically connected with the electroacoustic transducer and the memory, described Processor realizes above-mentioned described acoustic signal processing method when executing the computer program.

In one embodiment, the electroacoustic transducer is for playing the audio signal, and is used to record the audio The acoustic echo signal that signal and the noise signal are reflected and vibrated through duct and formed.

In one embodiment, the electroacoustic transducer includes loud speaker and microphone, and the loud speaker is for playing institute Audio signal is stated, the microphone is reflected and vibrated through duct and formed for recording the audio signal and the noise signal Acoustic echo signal.

In one embodiment, the loud speaker and the microphone are an integral structure.

Used in this application may include to any reference of memory, storage, database or other media is non-volatile And/or volatile memory.Suitable nonvolatile memory may include read-only memory (ROM), programming ROM (PROM), Electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include arbitrary access Memory (RAM), it is used as external cache.By way of illustration and not limitation, RAM is available in many forms, such as It is static 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) direct RAM (RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM).

Above example only expresses the several embodiments of the application, the description thereof is more specific and detailed, but can not Therefore it is interpreted as the limitation to the application the scope of the claims.It should be pointed out that for those of ordinary skill in the art, Under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection model of the application It encloses.Therefore, the protection domain of the application patent should be determined by the appended claims.

Claims (14)

1. a kind of left and right acoustic channels switching method, which is characterized in that including:
According to the currently playing audio signal of earphone, the associated acoustics in the current location in user ear canal is obtained with the earphone Echo impulse response;
The duct information that the earphone is worn is determined according to the acoustic echo impulse response, and the duct information includes left duct Information and right ear canal information;
According to the duct information, control is input to the left channel audio signal and right channel audio signal of the earphone.
2. according to the method described in claim 1, it is characterized in that, described according to currently playing audio signal, acquisition and institute The associated acoustic echo impulse response in earphone current location in user ear canal is stated, including:
Obtain the audio signal that the earphone plays;
The acoustic echo signal recorded the permeatal reflection of the audio signal and vibration and formed;
The acoustic echo arteries and veins of earphone current location in user ear canal is determined according to the audio signal, acoustic echo signal Punching response.
3. according to the method described in claim 1, it is characterized in that, described according to described in acoustic echo impulse response determination Before the duct information that earphone is worn, further include:
The input for receiving user is operated to start subscriber identity information registration;
Display operation is guided, and generate it is multiple with the earphone in user ear canal the associated predetermined acoustic echo in current location Impulse response;
Presetting database is formed according to the predetermined acoustic echo impulse response of generation.
4. according to the method described in claim 3, it is characterized in that, determining the earphone according to the acoustic echo impulse response The duct information of wearing, including:
Judge whether the acoustic echo impulse response obtained is stored in the presetting database;
If so, determining the duct information that the earphone is worn according to multiple predetermined acoustic echo responses in presetting database;
If it is not, then controlling the application program closed for handling the audio signal that the earphone is currently played.
5. according to the method described in claim 3, it is characterized in that, further including:
Based on the presetting database, determine that presently described earphone is located at the location information of duct;
Obtain the relative position information of the location information and preset position information;
According to the relative information, adjusts the output volume of the earphone or execute the operation for reminding user to adjust earphone position.
6. according to the method described in claim 1, it is characterized in that, described according to the duct information, the terminal control is defeated Enter to the left channel audio signal of the earphone and right channel audio signal, including:
According to the duct information, the receiver to be worn on the left duct of user configures the left channel audio signal, to be worn on The receiver of user's right ear canal configures the right channel audio signal.
7. according to claim 1-6 any one of them methods, which is characterized in that the method further includes:
Receive tapping operation of the user on the earphone;
Corresponding operation is executed to default application program according to the tapping operation, the default application program is presently described ear The corresponding application program of machine audio signal being played on.
8. a kind of left and right acoustic channels switching device, which is characterized in that including:
Acquisition module, for obtaining acoustics associated with the earphone current location according to the currently playing audio signal of earphone Echo impulse response;
Determining module, the duct information for determining the earphone wearing according to the acoustic echo impulse response, the duct Information includes left duct information and right ear canal information;
Control module, for according to the duct information, the terminal control to be input to the left channel audio signal of the earphone And right channel audio signal.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt The step of any one of claim 1 to 7 the method is realized when processor executes.
10. a kind of terminal, including memory, processor and storage are on a memory and the computer journey that can run on a processor Sequence, which is characterized in that the processor realizes any one of claim 1 to 7 the method when executing the computer program The step of.
11. a kind of earphone, which is characterized in that on a memory and can be including electroacoustic transducer, memory, processor and storage The computer program run on processor, the processor is electrically connected with the electroacoustic transducer, the memory respectively, described Processor realizes the step of any one of claim 1 to 7 the method when executing the computer program.
12. earphone according to claim 11, which is characterized in that the electroacoustic transducer is for playing the audio letter Number, and the acoustic echo signal for reflecting and vibrating through duct and formed for recording the audio signal and the noise signal.
13. earphone according to claim 12, which is characterized in that the electroacoustic transducer includes loud speaker and microphone, The loud speaker is for playing the audio signal, and the microphone is for recording the audio signal and noise signal warp Duct reflects and the acoustic echo signal of vibration and formation.
14. earphone according to claim 13, which is characterized in that the loud speaker and the microphone are integral type knot Structure.
CN201810276605.1A 2018-03-30 2018-03-30 Left and right acoustic channels switching method and apparatus, readable storage medium storing program for executing, terminal CN108391205A (en)

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