CN107800832A - A kind of audio-frequency processing method, device and mobile terminal - Google Patents
A kind of audio-frequency processing method, device and mobile terminal Download PDFInfo
- Publication number
- CN107800832A CN107800832A CN201610812262.7A CN201610812262A CN107800832A CN 107800832 A CN107800832 A CN 107800832A CN 201610812262 A CN201610812262 A CN 201610812262A CN 107800832 A CN107800832 A CN 107800832A
- Authority
- CN
- China
- Prior art keywords
- audio
- pickup unit
- mobile terminal
- initial
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
The embodiments of the invention provide a kind of audio-frequency processing method, device and mobile terminal, initial audio is gathered by pickup unit on machine and movable pickup unit respectively, pickup unit is arranged on mobile terminal on machine, and movable pickup unit is arranged at outside mobile terminal, is connected with mobile terminal；Each initial audio is analyzed, after initial audio is carried out into noise reduction process, obtains exporting audio.By the implementation of the present invention, initial audio is gathered by two kinds of approach of pickup unit on machine and movable pickup unit, the restriction of distance can be avoided and had an impact to volume, and carried out noise reduction process, Consumer's Experience is good.
Description
Technical field
The present invention relates to MultiMedia Field, and in particular to a kind of audio-frequency processing method, device and mobile terminal.
Background technology
At present, the behaviour of voice is related to by recording/shooting of the mobile terminals such as mobile phone progress, voice/video call etc.
Make, completed typically by existing acoustic component in mobile phone body.But user is when carrying out aforesaid operations, mobile phone with
Position between user is not unalterable, when carrying out video calling such as user, for more preferable video display effect,
User needs have a certain distance between mobile phone, and under this distance, the sound of the acoustic component collection user on mobile phone
Sound will go wrong, and the sound received can diminish, and Consumer's Experience is bad.
The content of the invention
The embodiments of the invention provide a kind of audio-frequency processing method, device and mobile terminal, solve makes in the prior art
Volume is caused not ensure with the acoustic component collection sound on mobile terminal, the problem of communication effect difference.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of audio-frequency processing method, including：
Initial audio is gathered by pickup unit on machine and movable pickup unit respectively, pickup unit is arranged on the machine
On mobile terminal, the movable pickup unit is arranged at outside the mobile terminal, is connected with the mobile terminal；
Each initial audio is analyzed, after the initial audio is carried out into noise reduction process, obtains exporting audio.
In addition, the embodiment of the present invention additionally provides a kind of apparatus for processing audio, including pickup unit, activity pickup list on machine
Member and processor, pickup unit and processor are arranged on mobile terminal on the machine, and the movable pickup unit is arranged at
Outside the mobile terminal, it is connected with the mobile terminal；Pickup unit and movable pickup unit gather just respectively on the machine
Beginning audio is simultaneously sent to the processor, and the processor 203 analyzes the initial audio, and the initial audio is carried out into noise reduction
After processing, obtain exporting audio.
In addition, the embodiment of the present invention additionally provides a kind of mobile terminal, including pickup unit and processor on machine, the machine
Upper pickup unit is used to gather initial audio and is sent to the processor, the processor receive on the machine pickup unit with
And the initial audio that movable pickup unit is sent respectively, after carrying out noise reduction process to the initial audio, obtain exporting audio；Institute
State movable pickup unit to be arranged at outside the mobile terminal, be connected with the mobile terminal.
In addition, the embodiment of the present invention additionally provides a kind of computer-readable storage medium, meter is stored with computer-readable storage medium
Calculation machine executable instruction, computer executable instructions are used to perform above-mentioned audio-frequency processing method.
Beneficial effect
The embodiments of the invention provide a kind of audio-frequency processing method, device and mobile terminal, passes through pickup list on machine respectively
First and movable pickup unit gathers initial audio, and pickup unit is arranged on mobile terminal on machine, and movable pickup unit is arranged at
Outside mobile terminal, it is connected with mobile terminal；Each initial audio is analyzed, after initial audio is carried out into noise reduction process, is obtained defeated
Go out audio.By the implementation of the present invention, initial audio is gathered by two kinds of approach of pickup unit on machine and movable pickup unit, can
Have an impact to avoid the restriction of distance to volume, and carried out noise reduction process, Consumer's Experience is good.
Brief description of the drawings
Fig. 1 is a kind of audio-frequency processing method flow chart that first embodiment of the invention provides；
Fig. 2 is a kind of apparatus for processing audio composition schematic diagram that second embodiment of the invention provides；
Fig. 3 is a kind of mobile terminal composition schematic diagram that third embodiment of the invention provides；
Fig. 4 is a kind of audio-frequency processing method Booting sequence figure that third embodiment of the invention provides；
Fig. 5 is a kind of audio-frequency processing method flow chart that third embodiment of the invention provides.
Embodiment
Inventive conception is that respectively by being arranged at pickup unit on the machine on mobile terminal and being arranged at mobile whole
Movable pickup unit collection initial audio outside end, then carries out noise reduction process to audio, eliminates shadow of the distance to volume
Ring, and carried out noise reduction process, Consumer's Experience is good.
The specific implementation to the present invention is described further below in conjunction with the accompanying drawings.
First embodiment
Fig. 1 is refer to, Fig. 1 is the audio-frequency processing method flow chart that the present embodiment provides.
S101, initial audio is gathered by pickup unit on machine and movable pickup unit respectively, pickup unit is set on machine
In on mobile terminal, movable pickup unit is arranged at outside mobile terminal, is connected with mobile terminal；
S102, each initial audio of analysis, after initial audio is carried out into noise reduction process, obtain exporting audio.
By mobile terminal record/image, during voice call/video calling, the quality of sound be to
Close important.The quality of sound, generally refer to herein the size of volume, sound can identification, pitch, tone color etc..
During voice call/video calling, the parametric user such as pitch, accuracy in pitch tends not to be concerned about, primarily to call
Object can not hear what user said, influence this point mainly sound size, and sound can identification.Sound
Size, that is, the volume of sound, it is certain to influence the quality of call if sound is too small, it is difficult to do not heard by other side, particularly
When user and mobile terminal also maintains a certain distance, such as when user is carrying out video calling, it is necessary to keep certain
Distance ensure the effect of video calling, in a word, user can not possibly be kept always with mobile terminal it is fixed and it is near enough away from
From, only by the machine on mobile terminal pickup unit collection audio-frequency information be then difficult to ensure that user sound volume.
In S101, by pickup unit on machine and movable pickup unit, initial voice is gathered.Wherein, pickup unit on machine
It is provided on mobile terminal, such as the mobile terminal that mobile phone is a kind of, present mobile terminal, it typically comprises at least two
Fixed pickup unit, i.e. two microphones.One of them, is arranged at the bottom of mobile terminal, close to user's sounding during call
Position, i.e. mouth；Another, is arranged at the top or back of mobile terminal, is arranged distant from the Mike of mobile terminal bottom
Wind.The two microphones can be all equipped with as pickup unit on machine, the common mobile terminal with call function, some movements
Terminal can include more microphones.Wherein, the microphone positioned at mobile terminal bottom is main microphon, and other microphones are then
It is noise reduction microphone.
By taking mobile phone as an example, when being conversed, main microphon is mainly used in gathering the speech of user, because it is arranged at hand
The bottom of machine, the mouth with user is closer to can preferably collecting user, what is said or talked about；But inevitably, in main wheat
During gram elegance collection voiceband user, can also collect other sound in environment, and these sound in communication process preferably not
To be occurred, therefore, other parts on mobile phone, the effect with the noise reduction microphone of main microphon set location farther out is exactly such as
This, noise reduction microphone equally gathers sound, and this sound is mainly then other sound in environment, is mingled with the user's of small volume
Speech；After sound is gathered by main microphon and noise reduction microphone, in the sound waveform of main microphon and noise reduction microphone, show
So the two ambient waveform should be identical, or similar, then, the waveform for the sound that noise reduction microphone is collected is carried out instead
To processing, then the sound collected with main microphon is overlapped operation, it is possible to ambient sound is largely filtered out,
And the reservation that the speech of user then obtains, the definition of speech can be lifted, call experience is more preferably.
And in the present embodiment, pickup unit can include all microphones on mobile terminal, such as main wheat on machine
Gram wind and noise reduction microphone；Audio-frequency processing method in the present embodiment need not be so more microphone, therefore, pickup list on machine
Member can also only include a microphone, and one is taken as appointed in main microphon or noise reduction microphone.
And movable pickup unit, then it is not disposed on mobile terminal, and be disposed on outside mobile terminal, with movement eventually
End is connected.Movable pickup unit is connected with mobile terminal, can pass through bluetooth, infrared, visible optical communication, WLAN etc.
At least one of wireless communication mode be connected；Or, movable pickup unit is connected with mobile terminal by way of wired connection.
Different from pickup unit on machine, movable pickup unit is not fixed, but can be changed with the wish of user
Become its position, what user can be freely, which place it in, wants the place placed, when needing to use, then can be placed on collar,
The places such as auricle, it is easy to gather the sound that user sends.User passes through pickup unit on movable pickup unit and machine in sounding
The sound of user can be collected, certainly, being usually between both sound collected can be distinguishing, because user
Phonatory organ, i.e. mouth, it is different from the distance between pickup unit on movable pickup unit and machine.In general, make
During, distance closer to pickup unit, the volume for the sound that can be collected is bigger, otherwise just smaller.
Each pickup unit, including pickup unit and movable pickup unit on machine, gathering the process of initial audio includes：Will
Voice signal is converted to analog electrical signal；Analog electrical signal is converted into digital electric signal, then in the form of digital electric signal
It is transmitted.In the present embodiment, what initial audio referred to can be voice signal or analog electrical signal, can also
It is digital electric signal, i.e., initial audio can characterize the voice signal under any form, however it is not limited to specific before and after changing
Signal.
In S102, each initial audio is analyzed, after initial audio is carried out into noise reduction process, obtains exporting audio.Pass through machine
Upper pickup unit and movable pickup unit collection initial audio, then, at least have two initial audios；The two initial audios
Gathered by different pickup units, according to the difference of pickup unit and sound source position, the size of the sound collected, in other words
Volume is also different.Analyzing each initial audio can at least include, and analyze the size of the volume of each initial audio.Analyze volume
Size, the size that can refer to analyze the volume of whole audio or analyze volume in some frequency range
The size of size, such as volume in the range of the audible frequency of voice, can be as the mark for the volume for judging initial audio
It is accurate.And judge the mode of volume, can judge the amplitude of sonic profile, the Oscillation Amplitude etc. of each pickup unit.
In the present embodiment, after initial audio being carried out into noise reduction process, obtaining output audio includes：By each initial audio
In, volume maximum is used as main audio, and other initial audios are as consonant frequency, after carrying out reverse process to consonant frequency, with keynote
Frequency is superimposed, and forms output audio.Wherein, the maximum initial audio of volume, can be using the volume of totality as referring to, can also
It is that reference is used as using the volume in voice frequency range.In addition, in the present embodiment, it is however generally that main audio only has one, and
Consonant frequency may then have multiple, and this is due to that pickup unit may be caused by many more than two.So, when consonant frequency have two or
During the above, synthesis processing first can be carried out to these consonants frequency, or, one of consonant frequency is only taken, by this consonant frequency
After reversely, it is overlapped with main audio.
In the present embodiment, after initial audio being carried out into noise reduction process, obtaining output audio includes：By movable pickup unit
The initial audio collected is as main audio, and other initial audios are as consonant frequency, after carrying out reverse process to consonant frequency, with master
Audio is superimposed, and forms output audio.In most of scene, when user uses movable pickup unit, often it is apart from user
The distance of mouth can be less than pickup unit on the machine on mobile terminal, therefore, the volume for the voice that movable pickup unit collects
Pickup unit generally larger than on machine, therefore, can directly using the initial audio that movable pickup unit collects as main audio,
The bigger judgement of volume without carrying out which initial audio.It is of course also possible to pickup unit on machine is collected initial
Audio is similar as main audio as main audio, its processing procedure and the initial audio for collecting movable pickup unit.
In addition, optional, for more preferable communication effect, in the present embodiment, using initial audio as main audio it
Afterwards, can also include：Gain and/or declining profit processing are carried out to main audio；Wherein, gain process includes：It will be in main audio
Part in voice frequency range carries out gain；Declining profit processing includes：The part that will be in main audio outside voice frequency range
Carry out declining profit.Gain process, exactly increase the power output of the sound collected, volume can be lifted to a certain extent, subtracted
It is beneficial then with gain on the contrary, be to reduce the power output of sound collected, volume can be reduced to a certain extent, be embodied in sound
On the waveform of sound signal, gain process can cause the amplitude of the waveform of voice signal to become big, and declining profit processing can cause sound to believe
Number the amplitude of waveform diminish.Due to giving great volume for main audio, if the part in voice frequency range carries out gain,
The content of voice will be protruded more, and carry out declining profit processing to the sound outside voice frequency range, then can further lift people
The identification of sound.Simultaneously as the volume of consonant frequency is small, carry out it is reverse, then after being superimposed with main audio, people's part of gain
Branch is more prominent, and the non-vocal sections of declining profit then can at utmost be cancelled, and ensure that good call/recording effect
Fruit.
In the present embodiment, except can using voice as core carry out sound collection in addition to, can also using other sound as
Core is acquired, and is then that the initial audio that the pickup unit nearer apart from sound source is collected is made for other sound
For main audio, other initial audios are as consonant frequency.Accordingly, the main audio collected can also be carried out at gain/declining profit
Reason, and the object of gain/declining profit becomes for the frequency range inside/outside of corresponding sound source sounding, repeats no more here.
A kind of audio-frequency processing method is present embodiments provided, is gathered respectively by pickup unit on movable pickup unit and machine
Initial audio, then initial audio is analyzed and carries out noise reduction process, obtain exporting audio, by pickup unit on machine and
Movable two kinds of approach collection initial audios of pickup unit, can avoid the restriction of distance and have an impact to volume, and be dropped
Make an uproar processing, Consumer's Experience is good.
Second embodiment
Fig. 2 is refer to, Fig. 2 is a kind of apparatus for processing audio composition schematic diagram that the present embodiment provides.
Apparatus for processing audio in the present embodiment, including pickup unit 200, movable pickup unit 10 and processor on machine
203, pickup unit 200 and processor 203 are arranged on mobile terminal 20 on machine, and movable pickup unit 10 is arranged at mobile terminal
Outside 20, it is connected with mobile terminal 20；Pickup unit 200 and movable pickup unit 10 gather initial audio and sent respectively on machine
To processor 203, processor 203 analyzes initial audio, after initial audio is carried out into noise reduction process, obtains exporting audio.
Pickup unit 200 is provided on mobile terminal 20 on machine, such as the mobile terminal 20 that mobile phone is a kind of, present
Mobile terminal 20, it typically comprises at least two fixed pickup units, i.e. two microphones.One of them, is arranged at mobile whole
The bottom at end 20, close to the position of user's sounding, i.e. mouth during call；Another, be arranged at mobile terminal 20 top or
Back, it is arranged distant from the microphone of the bottom of mobile terminal 20.The two microphones are common as pickup unit on machine 200
Mobile terminal 20 with call function can be all equipped with, and some mobile terminals 20 can include more microphones.Wherein, positioned at shifting
The microphone of the dynamic bottom of terminal 20 is main microphon, and other microphones are then noise reduction microphones.It is living in corresponding connected mode
Dynamic pickup unit 10 needs to have corresponding function, typically increases corresponding unit, living when being connected by the way of bluetooth
Dynamic pickup unit 10 then needs to have Bluetooth adapter, is connected by Bluetooth adapter with mobile terminal 20；When using infrared
When mode connects, movable pickup unit 10 then needs to have infrared transceiver, is established by infrared transceiver and mobile terminal 20
Connection.Before normal use, movable pickup unit 10 needs to be matched with mobile terminal 20, and the process of pairing is because of connection side
Formula it is different and otherwise varied.By taking bluetooth connection as an example, firstly, it is necessary to which movable pickup unit 10 and mobile terminal 20 all enable indigo plant
Tooth communication function, then the lookup of mobile terminal 20 bluetooth equipment, finds the movable pickup unit for opening blue tooth communication function
After 10, connection is established, after prompting successful matching, movable pickup unit 10 and mobile terminal 20 just possess the bar of bluetooth interaction
Then part, the movable can of pickup unit 10 collection initial audio are sent to mobile terminal 20 by bluetooth communication.
In present mobile terminal 20, often possess a variety of wireless communication modes, such as bluetooth, infrared, visible optical communication, nothing
Line LAN connection etc., in these connected modes, can only each establish a connection, i.e., mobile terminal 20 can only pass through bluetooth
A bluetooth equipment is connected, a local can only can only be connected by WLAN by one infrared equipment of infrared connection
Net equipment, because in the mobile terminal 20, as Bluetooth adapter, infrared transceiver, wireless chip etc. wireless telecommunications list
Member, one is generally each only provided with, when this is occupied, other equipment cannot be connected in the same way again
.Certainly, between several different connected modes be usually without conflict, mobile terminal 20 can simultaneously with bluetooth, it is infrared,
The mode of WLAN is connected with one or more equipment.In the present embodiment, what a mobile terminal 20 can be freely sets
One or more foregoing radio communication unit is put, to meet the connection requirement of multiple equipment.
And in the present embodiment, on machine, pickup unit 200 can include all microphones on mobile terminal 20, such as
Main microphon and noise reduction microphone；Audio-frequency processing method in the present embodiment need not be so more microphone, therefore, picked up on machine
Sound unit 200 can also only include a microphone, and one is taken as appointed in main microphon or noise reduction microphone.
Movable pickup unit 10, then be not disposed on mobile terminal 20, and is disposed on outside mobile terminal 20, with shifting
Dynamic terminal 20 is connected.Movable pickup unit 10 is connected with mobile terminal 20, can pass through bluetooth, infrared, visible optical communication etc.
At least one of wireless communication mode be connected；Or, movable pickup unit 10 and mobile terminal 20 are by way of wired connection
It is connected.
The mode of wired connection is then by audio connecting cord, is connected with the COBBAIF on mobile terminal 20；It is mobile whole
COBBAIF on end 20 is usually that input/output interface shares, i.e., input interface and output interface are arranged on a place；One
As audio connecting cord be probably then only input adapter, or only out splice going splice, can also be that out splice going splice and input connect
Head is set together., at least should be defeated by possessing when movable pickup unit 10 is connected by audio connecting cord with mobile terminal 20
The audio connecting cord for entering joint is connected.Because in the interface of mobile terminal 20, national standard and international standard are had any different, therefore can
To set corresponding adapter to realize normal connection.
Different from pickup unit on machine 200, movable pickup unit 10 is not fixed, but can be with the wish of user
To change its position, what user can be freely places it in the place for wanting to place, and when needing to use, then can be placed on clothing
The places such as neck, auricle, it is easy to gather the sound that user sends.User is in sounding, by being picked up on movable pickup unit 10 and machine
Sound unit 200 can collect the sound of user, and certainly, being usually between both sound collected can be distinguishing,
It is different from the distance between pickup unit 200 on movable pickup unit 10 and machine because the phonatory organ of user, i.e. mouth
's.In general, in use, distance closer to pickup unit, the volume for the sound that can be collected is bigger, otherwise just
It is smaller.
In a wherein application scenarios, movable pickup unit 10 is placed on collar by user, and extending arm forward will move
Dynamic terminal 20 is held in hand, then, movable pickup unit 10 is away from closer to the user under this scene, then movable pickup unit 10
The sound of the user collected is larger, and pickup unit 200 on the machine on mobile terminal 20, including main microphon or noise reduction wheat
Gram wind, the sound collected are then smaller.
In a wherein application scenarios, movable pickup unit 10 is placed on by user, and user carries movement
Terminal 20, mobile terminal 20 is placed in mouth, then, under this scene, pickup unit 200 is away from closer to the user on machine, then
The sound for the user that pickup unit 200 is collected is larger on machine, and the sound for the user that movable pickup unit 10 collects is more
It is small.
Processor 203 analyzes each initial audio, after processing audio is carried out into noise reduction process, obtains exporting audio.Pass through
Pickup unit 200 and movable pickup unit 10 gather initial audio on machine, then, at least have two initial audios；The two
Initial audio is gathered by different pickup unit, according to the difference of pickup unit and sound source position, the sound collected it is big
Small, volume is also different in other words.Analyzing each initial audio can at least include, analyze each initial audio volume it is big
It is small.The size of volume is analyzed, the size that can refer to analyze the volume of whole audio or analysis are in some frequency range
The size of the size of interior volume, such as volume in the range of the audible frequency of voice, can be as the sound for judging initial audio
Measure the standard of size.And judge the mode of volume, can be amplitude, the vibration width of each pickup unit for judging sonic profile
Degree etc..
In the present embodiment, processor 203 can be also used for：By in each initial audio, volume maximum is used as keynote
Frequently, other initial audios after carrying out reverse process to consonant frequency, are superimposed with main audio as consonant frequency, form output audio.Its
In, the maximum initial audio of volume, can be as reference or with the sound in voice frequency range using the volume of totality
Amount is as reference.In addition, in the present embodiment, it is however generally that main audio only has one, and consonant frequency may then have multiple, and this is
Due to caused by the possible many more than two of pickup unit.So, can be first to these consonants when consonant frequency has two or more
Frequency carries out synthesis processing, or, only take one of consonant frequency, by this consonant frequency reversely after, be overlapped with main audio.
In the present embodiment, processor 203 can be also used for：Using the initial audio that movable pickup unit 10 collects as
Main audio, other initial audios after carrying out reverse process to consonant frequency, are superimposed with main audio as consonant frequency, form output sound
Frequently.In most of scene, when user uses movable pickup unit 10, often it can be less than apart from the distance of user's mouth and move
Pickup unit 200 on machine in dynamic terminal 20, therefore, the volume for the voice that movable pickup unit 10 collects is generally larger than machine
Upper pickup unit 200, therefore, can directly using the initial audio that movable pickup unit 10 collects as main audio, without
Carry out the bigger judgement of the volume of which initial audio.
In addition, optional, for/recording result of preferably conversing, processor 203 can be also used for：Main audio is carried out
Gain and/or declining profit processing；Wherein, gain process includes：The part being in main audio in voice frequency range is increased
Benefit；Declining profit processing includes：The part being in main audio outside voice frequency range is subjected to declining profit.
In the present embodiment, except can using voice as core carry out sound collection in addition to, can also using other sound as
Core is acquired, and is then that the initial audio that the pickup unit nearer apart from sound source is collected is made for other sound
For main audio, other initial audios are as consonant frequency.Accordingly, the main audio collected can also be carried out at gain/declining profit
Reason, and the object of gain/declining profit becomes for the frequency range inside/outside of corresponding sound source sounding, repeats no more here.
The present embodiment additionally provides a kind of mobile terminal 20, including pickup unit 200 and processor 203 on foregoing machine.
A kind of mobile terminal is present embodiments provided, is gathered respectively by pickup unit on movable pickup unit and machine initial
Audio, then processor initial audio is analyzed and carries out noise reduction process, obtain export audio, pass through pickup unit on machine
With movable two kinds of approach collection initial audios of pickup unit, the restriction of distance can be avoided and had an impact to volume, and carried out
Noise reduction process, Consumer's Experience are good.
3rd embodiment
Fig. 3 is refer to, Fig. 3 is a kind of composition schematic diagram for mobile terminal that the present embodiment provides.
Mobile terminal 20 in the present embodiment, including pickup unit 200 and processor 203 on machine, pickup list wherein on machine
Member 200 is used to gather initial audio, and processor 203 is then used for pickup unit 200 and movable pickup unit 10 on processor and gathered
Initial audio, carry out noise reduction process after, obtain export audio.Wherein, movable pickup unit 10 be arranged at mobile terminal 20 it
Outside, it is connected with mobile terminal 20.
For strict, movable pickup unit 10 may belong to mobile terminal 20, can also be not belonging to mobile terminal 20, activity
Pickup unit 10 can be a universal accessory, can be connected with any mobile terminal 20 that can be interacted, and carry out audio
Collection.
In order to establish the connection between movable pickup unit 10 and mobile terminal 20, in the present embodiment, with bluetooth connection
Exemplified by, movable pickup unit 10 includes：Movable microphone 101, movable microphone 101 are simulation or digital microphone, and acoustic-electric turns
Parallel operation part, converts voice signals into electric signal；Voice telecommunication number is amplified by movable pretreatment unit 102, analog-to-digital conversion,
The processing such as modulation, is converted to data signal, after pretreatment, voice digital signal is transferred on Bluetooth processor 103, at bluetooth
Reason device 103 modulates signals into up-conversion and transferred out by the transmission of the wireless mode of first antenna 104 to mobile terminal 20.This implementation
Movable pickup unit 10 in example, can be Wireless/wired microphone.
Established and connected by bluetooth communication between movable pickup unit 10 and mobile terminal 20.
Mobile terminal 20 includes, the second antenna 201, Bluetooth adapter 202, the reception activity pickup unit of the second antenna 201
Bluetooth signal is received and carries out demodulation process and is sent in mobile terminal 20 by 10 Bluetooth signals sent, Bluetooth adapter 202
Processor 203 in, processor 203 by identification, it is determined that input equipment, input equipment herein is movable pickup unit
10.In addition, pickup unit 200 on machine on machine in mobile terminal 20 on pretreatment unit connection mobile terminal 20, picked up on machine
Sound unit 200 includes the first Mike 205 and the second Mike 206, and pretreatment unit 204 is by the first Mike 205 and the second wheat on machine
Grams 206 voice signals received carry out analog-to-digital conversions, the processing such as modulate and amplify, transfer signals in processor 203, locate
Device 203 is managed by the voice data come by Bluetooth transmission and the voice data progress noise reduction process of the one the second Mikes and optimization,
Obtain exporting audio.
In the present embodiment, the start-up course of audio-frequency processing method is as follows, refer to Fig. 4：
S401, movable pickup unit 10 and mobile terminal 20 establish connection；
What S402, the identification of mobile terminal 20 accessed is movable pickup unit 10；
S403, by audio-frequency processing method, carry out the acquisition process of audio, obtain exporting audio.
Wherein, movable pickup unit 10 and mobile terminal 20 establish the process of connection, are exactly movable pickup unit 10 and shifting
The process of the Bluetooth pairing of dynamic terminal 20；Firstly, it is necessary to movable pickup unit 10 and mobile terminal 20 all enable bluetooth communication work(
Can, then mobile terminal 20 searches bluetooth equipment, after finding the movable pickup unit 10 for opening blue tooth communication function, establishes
Connection, after prompting successful matching, movable pickup unit 10 and mobile terminal 20 just possess the condition of bluetooth interaction.
When mobile terminal 20 determines connected equipment, when being movable pickup unit 10, then, in the logical of mobile terminal 20
In words/Recording Process, the audio-frequency processing method in various embodiments of the present invention is enabled.
Below, audio-frequency processing method will be described further, and will refer to Fig. 5：
S501, Bluetooth pairing success, it is movable pickup unit 10 to monitor bluetooth equipment；
S502, audio frequency processing system is enabled, gather each initial audio；
S503, the initial audio for comparing the first Mike collection, the initial audio of the second Mike collection, and passed by bluetooth
The initial audio that defeated next movable pickup unit 10 receives, using volume highest as main audio (useful audio input), volume
Most weak is used as consonant frequency (background noise)；
S504, background noise is subjected to reverse process；
S505, will reversely after background noise be overlapped with useful audio input, obtain output audio.
Obviously, those skilled in the art should be understood that each module of the invention described above or each step can be with general
Computing device realizes that they can be concentrated on single computing device, or be distributed in what multiple computing devices were formed
On network, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to be stored in
Performed in storage medium (ROM/RAM, magnetic disc, CD) by computing device, and in some cases, can be with different from this
The order at place performs shown or described step, either they are fabricated to respectively each integrated circuit modules or by it
In multiple modules or step be fabricated to single integrated circuit module to realize.So the present invention be not restricted to it is any specific
Hardware and software combine.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the protection of the present invention
Scope.
Claims (11)
1. a kind of audio-frequency processing method, including：
Initial audio is gathered by pickup unit on machine and movable pickup unit respectively, pickup unit is arranged at movement on the machine
In terminal, the movable pickup unit is arranged at outside the mobile terminal, is connected with the mobile terminal；
Each initial audio is analyzed, after the initial audio is carried out into noise reduction process, obtains exporting audio.
2. audio-frequency processing method as claimed in claim 1, it is characterised in that after the progress noise reduction process by initial audio,
Obtaining output audio includes：Using the volume maximum in each initial audio as main audio, other described initial audios
As consonant frequency, after carrying out reverse process to consonant frequency, it is superimposed with the main audio, forms the output audio.
3. audio-frequency processing method as claimed in claim 1, it is characterised in that after the progress noise reduction process by initial audio,
Obtaining output audio includes：Using the initial audio that the movable pickup unit collects as main audio, other described initial sounds
Frequency after carrying out reverse process to consonant frequency, is superimposed with the main audio as consonant frequency, forms the output audio.
4. audio-frequency processing method as claimed in claim 2 or claim 3, it is characterised in that described using initial audio as main audio
Afterwards, in addition to：Gain and/or declining profit processing are carried out to the main audio；
The gain process includes：The part being in the main audio in voice frequency range is subjected to gain；
The declining profit processing includes：The part being in the main audio outside voice frequency range is subjected to declining profit.
5. the audio-frequency processing method as described in claim any one of 1-4, it is characterised in that the movable pickup unit is arranged at
Outside mobile terminal, be connected with mobile terminal including：The movable pickup unit and the mobile terminal by bluetooth, it is infrared,
It can be seen that at least one of optical communication wireless communication mode is connected.
6. a kind of apparatus for processing audio, it is characterised in that including pickup unit, movable pickup unit and processor, institute on machine
Pickup unit and processor on machine is stated to be arranged on mobile terminal, the movable pickup unit be arranged at the mobile terminal it
Outside, it is connected with the mobile terminal；Pickup unit and movable pickup unit gather initial audio and are sent to respectively on the machine
The processor, the processor analyze the initial audio, after the initial audio is carried out into noise reduction process, obtain exporting sound
Frequently.
7. apparatus for processing audio as claimed in claim 6, it is characterised in that the processor is additionally operable to：Will be each described first
Volume in beginning audio it is maximum be used as main audio, other described initial audios are carried out instead as consonant frequency to consonant frequency
To after processing, it is superimposed with the main audio, forms the output audio.
8. apparatus for processing audio as claimed in claim 6, it is characterised in that the processor is additionally operable to, and the activity is picked up
The initial audio that sound unit collects is as main audio, and the initial audio that pickup unit collects on other described machines is as consonant
Frequently, after carrying out reverse process to consonant frequency, it is superimposed with the main audio, forms the output audio.
9. apparatus for processing audio as claimed in claim 7 or 8, it is characterised in that the processor is additionally operable to the keynote
Frequency carries out gain and/or declining profit processing；
The gain process includes：The part being in the main audio in voice frequency range is subjected to gain；
The declining profit processing includes：The part being in the main audio outside voice frequency range is subjected to declining profit.
10. the apparatus for processing audio as described in claim any one of 6-9, it is characterised in that the movable pickup unit and institute
Mobile terminal is stated by least one of bluetooth, infrared, visible optical communication wireless communication mode to be connected.
11. a kind of mobile terminal, it is characterised in that including pickup unit on machine and processor, pickup unit is used on the machine
Collection initial audio is simultaneously sent to the processor, and the processor receives pickup unit and movable pickup unit on the machine
The initial audio sent respectively, after carrying out noise reduction process to the initial audio, obtain exporting audio；The movable pickup unit
It is arranged at outside the mobile terminal, is connected with the mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812262.7A CN107800832A (en) | 2016-09-07 | 2016-09-07 | A kind of audio-frequency processing method, device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812262.7A CN107800832A (en) | 2016-09-07 | 2016-09-07 | A kind of audio-frequency processing method, device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800832A true CN107800832A (en) | 2018-03-13 |
Family
ID=61530959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610812262.7A Pending CN107800832A (en) | 2016-09-07 | 2016-09-07 | A kind of audio-frequency processing method, device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800832A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410983A (en) * | 2018-11-23 | 2019-03-01 | 广东小天才科技有限公司 | A kind of voice searches topic method and system |
| CN109767766A (en) * | 2019-01-23 | 2019-05-17 | 海信集团有限公司 | A kind of audio recognition method and device |
| CN110324917A (en) * | 2019-07-02 | 2019-10-11 | 北京分音塔科技有限公司 | Mobile hotspot device with pickup function |
-
2016
- 2016-09-07 CN CN201610812262.7A patent/CN107800832A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410983A (en) * | 2018-11-23 | 2019-03-01 | 广东小天才科技有限公司 | A kind of voice searches topic method and system |
| CN109767766A (en) * | 2019-01-23 | 2019-05-17 | 海信集团有限公司 | A kind of audio recognition method and device |
| CN110324917A (en) * | 2019-07-02 | 2019-10-11 | 北京分音塔科技有限公司 | Mobile hotspot device with pickup function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105611468A (en) | Wearable device using bone conduction speaker | |
| CN105848196A (en) | NFC bluetooth adapter and bluetooth product test system and test method | |
| US20180293982A1 (en) | Voice assistant extension device and working method therefor | |
| CN109890018A (en) | Blue-tooth transmission method, bluetooth transceiver and the computer readable storage medium of audio | |
| CN109511037A (en) | Earpiece volume adjusting method, device and computer readable storage medium | |
| KR20100102480A (en) | Simultaneous interpretation system | |
| CN108197572A (en) | A kind of lip reading recognition methods and mobile terminal | |
| CN107800832A (en) | A kind of audio-frequency processing method, device and mobile terminal | |
| CN106953961A (en) | The mobile phone speech application apparatus and its application process of a kind of dual microphone | |
| CN110187859A (en) | A kind of denoising method and electronic equipment | |
| CN103260124A (en) | Audio testing method and system of mobile terminal | |
| CN209103286U (en) | Earphone translation system | |
| CN105323682B (en) | A kind of digital-analog hybrid microphone and earphone | |
| CN111370012B (en) | Bluetooth voice audio acquisition method and system | |
| CN106506437A (en) | A kind of audio data processing method, and equipment | |
| US11589173B2 (en) | Hearing aid comprising a record and replay function | |
| CN113411417A (en) | Wireless sound amplification system and terminal | |
| CN108259653A (en) | A kind of tone testing method and device, system | |
| CN106490751A (en) | There is the intelligent helmet and its remote control thereof of remote control | |
| CN103594091B (en) | A kind of mobile terminal and its audio signal processing method | |
| CN104883450A (en) | Communication device and communication method for enhancing voice reception capacity | |
| CN107659328A (en) | Call control method, device, terminal, phone system and readable storage medium storing program for executing | |
| CN109889665A (en) | A kind of volume adjusting method, mobile terminal and storage medium | |
| CN107580102A (en) | Earphone and the method for earphone recording | |
| CN106464288B (en) | A kind of method and Intelligent bracelet for realizing intercommunication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180313 |