CN107507622A - Processing method, mobile terminal and the computer-readable recording medium of voice signal - Google Patents
Processing method, mobile terminal and the computer-readable recording medium of voice signal Download PDFInfo
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/19—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides a kind of processing method of voice signal, mobile terminal and computer-readable recording medium, is related to communication technical field, solves the problems, such as that dual microphone mobile terminal power consumption is higher.Wherein, this method includes：The first microphone and second microphone are alternately opened, and the first discrete voice signal is gathered by first microphone, the second discrete voice signal is gathered by the second microphone；According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；Wherein, when opening the second microphone, the second microphone is closed；When opening the second microphone, the second microphone is closed.The present invention realizes the sampling of voice signal using the microphone alternately opened, and obtains target sound signal further according to the discrete signal of collection, has both reached noise reduction, also reduced the power consumption of mobile terminal.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of processing method of voice signal, mobile terminal and calculating
Machine readable storage medium storing program for executing.
Background technology
With the development of intellectual technology, the functional part integrated on mobile terminal is more and more, such as：Camera, microphone,
The parts such as fingerprint identification device, to enrich the function of mobile terminal, provide the user good experience.
In the prior art, single microphone is only set in the terminal, to reduce the power consumption of mobile terminal.It is however, single
Individual microphone can not play a part of noise reduction to ambient noise, and the sound signal quality for causing mobile terminal to gather is poor.For up to
To good noise reduction, dual microphone can be set in the terminal.However, the quantity of increase microphone, will cause to move
The power consumption increase of dynamic terminal.
The content of the invention
The embodiment of the present invention provides a kind of processing method of voice signal, mobile terminal and computer-readable recording medium,
To solve the problems, such as that existing dual microphone mobile terminal power consumption is higher.
In a first aspect, the embodiments of the invention provide a kind of processing method of voice signal, for mobile terminal, the shifting
Dynamic terminal includes the first microphone and second microphone, and this method includes：
The first microphone and second microphone are alternately opened, and the first discrete sound message is gathered by first microphone
Number, the second discrete voice signal is gathered by the second microphone；
According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
Second aspect, the embodiment of the present invention also provide a kind of mobile terminal, the mobile terminal include the first microphone and
Second microphone, the mobile terminal include：
Acquisition module, gathered for alternately opening the first microphone and second microphone, and by first microphone
First discrete voice signal, the second discrete voice signal is gathered by the second microphone；
Acquisition module, for according to the first discrete voice signal and the second discrete voice signal, obtaining target
Voice signal；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
The third aspect, the embodiment of the present invention also provide a kind of mobile terminal, the mobile terminal include processor, memory and
The computer program that can be run on the memory and on the processor is stored in, the computer program is by the processing
The step of device realizes the processing method of voice signal as described above when performing.
Fourth aspect, the embodiment of the present invention also provide a kind of computer-readable recording medium, the computer-readable storage medium
Computer program is stored with matter, the computer program realizes the processing of voice signal as described above when being executed by processor
The step of method.
In the embodiment of the present invention, the first microphone and second microphone are alternately opened, and pass through the first Mike elegance
Collect the first discrete voice signal, the second discrete voice signal is gathered by the second microphone；According to first discrete sound
Sound signal and the second discrete voice signal, obtain target sound signal；Wherein, when opening the second microphone, close
Close the second microphone；When opening the second microphone, the second microphone is closed.The present invention utilizes alternately unlatching
The first microphone and second microphone realize the sampling of voice signal, obtain target sound letter further according to the discrete signal of collection
Number, both reach noise reduction, also reduce the power consumption of mobile terminal.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of position view of microphone provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the processing method of voice signal provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the processing method of another voice signal provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 5 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 6 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The processing method of voice signal in the embodiment of the present invention is applied to dual microphone mobile terminal, i.e. mobile terminal is set
There are the first microphone and second microphone, wherein, the first microphone is mainly used in gathering the voice signal of calling user, the second wheat
Gram wind is mainly used in gathering ambient noise signal, to eliminate the ambient noise signal in the voice signal of the first microphone collection,
So as to reach dual microphone noise reduction.
As shown in figure 1, the first microphone 101 can be arranged on the bottom of mobile terminal 100, second microphone 102 can be with
The top away from the first microphone 101 of mobile terminal 100 is arranged on, solid line represents the voice signal of user, and dotted line represents ring
Border noise signal, wherein, the length of line can be used for the intensity size for representing voice signal, and line is longer, represent to believe corresponding to the line
Number intensity is bigger, and line is shorter, represents that signal intensity corresponding to the line is smaller.
When user, which grips mobile terminal 100, carries out voice call, because mouth is close to the first microphone 101, user's
The time that voice signal reaches used in the first microphone 101 is less than the time reached used in second microphone 102.During due to transmission
Between it is shorter, the loss of signal is smaller, and therefore, the intensity of the voice signal for the user that the first microphone 101 collects is much larger than the
The sound signal intensity for the user that two microphones 102 collect.
And ambient noise is directed to, because its sound source is away from mobile terminal 100, therefore, ambient noise reaches the first microphone
101 and second microphone 102 used in time it is almost identical, then the intensity for the ambient noise signal that the first microphone collects and
The intensity for the ambient noise signal that second microphone collects is basically identical.
The ring that the intensity and second microphone 102 of the ambient noise signal collected due to the first microphone 101 are collected
The intensity of border noise signal is basically identical, and the intensity of the voice signal for the user that the first microphone 101 collects is much larger than second
The intensity of the voice signal for the user that microphone 102 collects, therefore, if the voice signal that second microphone 102 is collected
Carry out reversely, then be overlapped with the voice signal of the first microphone 101, then the voice signal obtained after being superimposed is mainly user
Voice signal, ambient noise signal is basically eliminated, so as to effectively resist interference of the ambient noise to call, greatly
Improve the speech quality of mobile terminal.
In the embodiment of the present invention, under conditions of sampling thheorem is met, the first microphone and second microphone are alternately opened,
In synchronization, the first microphone or second microphone is only controlled to open collected sound signal, so as to reduce the work(of mobile terminal
Consumption, extend the usage time of battery.
Referring to Fig. 2, Fig. 2 is a kind of flow chart of the processing method of voice signal provided in an embodiment of the present invention, such as Fig. 2 institutes
Show, comprise the following steps：
Step 201, alternately open the first microphone and second microphone, and by first microphone collection first from
Voice signal is dissipated, the second discrete voice signal is gathered by the second microphone.
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
In the embodiment of the present invention, mobile terminal alternately opens the first microphone and second microphone, and is opening described the
One microphone time, close the second microphone；When opening the second microphone, first microphone is closed.I.e.
During call, the first microphone and second microphone are alternately opened, and so as to reduce the power consumption of mobile terminal, and then extend electricity
The usage time in pond.
The first microphone time is being opened, is closing the second microphone, i.e., only the first microphone is in work
State, voice signal is acquired；When opening the second microphone, closing first microphone, i.e., only second
Microphone is in running order, and voice signal is acquired.Because the first microphone and second microphone are alternately opened, because
This, it is possible to understand that, the voice signal that the first microphone and second microphone collect during call is discrete voice signal.
Step 202, according to the first discrete voice signal and the second discrete voice signal, obtain target sound letter
Number.
In the step, because the first microphone and second microphone are alternately opened, therefore, the first of the collection of the first microphone
Every height in collection period corresponding to each subsignal in discrete signal, and the second discrete signal of second microphone collection
The collection period differs corresponding to signal.Therefore, can to obtain target sound signal corresponding to the voice signal of destination object
It is continuous voice signal by the first discrete voice signal and the second discrete voice signals revivification, then reduction is obtained
Two continuous voice signals are handled.Such as this two continuous voice signals are transmitted into difference amplifier, obtain target
Voice signal, or continuous transmission of sound signals corresponding to the second discrete voice signal is exported to reverser, then by reverser
Signal and the first discrete voice signal corresponding to continuous voice signal transmit into adder, obtain target sound signal.
So, target sound signal can be obtained, the ambient noise signal in the voice signal of microphone collection can be also eliminated, so as to carry
The speech quality of high mobile terminal.
In the embodiment of the present invention, mobile terminal can be mobile phone, tablet personal computer (Tablet Personal Computer),
Laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA),
Mobile Internet access device (Mobile Internet Device, MID) or wearable device (Wearable Device) etc..
The processing method of the voice signal of the present embodiment, the first microphone and second microphone are alternately opened, and pass through institute
State the first microphone and gather the first discrete voice signal, the second discrete voice signal is gathered by the second microphone；According to
The first discrete voice signal and the second discrete voice signal, obtain target sound signal；Wherein, described the is being opened
During two microphones, the second microphone is closed；When opening the second microphone, the second microphone is closed.This hair
The bright sampling that voice signal is realized using the first microphone and second microphone alternately opened, further according to the discrete signal of collection
Target sound signal is obtained, has both reached noise reduction, also reduces the power consumption of mobile terminal.
Referring to Fig. 3, Fig. 3 is the flow chart of the processing method of another voice signal provided in an embodiment of the present invention, this reality
The main distinction for applying example and above-described embodiment is, to described according to the first discrete voice signal and second discrete sound
Sound signal, obtain target sound signal and made further restriction, be specially：It is the by the first discrete voice signals revivification
One continuous voice signal；It is the second continuous voice signal by the second discrete voice signals revivification；It is continuous according to described first
Voice signal and the second continuous voice signal, obtain target sound signal.
As shown in figure 3, comprise the following steps：
Step 301, alternately open the first microphone and second microphone, and by first microphone collection first from
Voice signal is dissipated, the second discrete voice signal is gathered by the second microphone；Wherein, the second microphone is being opened
When, close the second microphone；When opening the second microphone, the second microphone is closed.
The step is identical with the step 201 described in above-described embodiment, specifically refers to the description in above-described embodiment, herein
Repeat no more.
Step 302, by the first discrete voice signals revivification it is the first continuous voice signal.
Step 303, by the second discrete voice signals revivification it is the second continuous voice signal.
In the embodiment of the present invention, because the first microphone and second microphone are alternately opened, therefore, the collection of the first microphone
The first discrete signal in each subsignal corresponding to collection the period, and second microphone collection the second discrete signal in
The collection period corresponding to each subsignal differs.Therefore, using the first discrete voice signal and described second from
Voice signal is dissipated, eliminates ambient noise signal, can be by the first discrete voice signal and described before obtaining target sound signal
Second discrete voice signals revivification is continuous voice signal, is the first company by the first discrete voice signals revivification specifically
Continuous voice signal, is the second continuous voice signal by the second discrete voice signals revivification, then to the first continuous voice signal
Handled with the second continuous voice signal.
It is the first continuous sound by the first discrete voice signals revivification wherein it is possible to using the first low pass filter
Signal, it is the second continuous voice signal by the second discrete voice signals revivification using the second low pass filter, wherein, the
In one low pass filter and the second low pass filter can with but be not limited only to include D/A conversion unit and low-pass filter unit, with
The part high-frequency signal in discrete signal is filtered out using low-pass filter unit, so as to improve the quality of voice signal, recycles number
Discrete signal is reduced to continuous signal by mould converting unit.First low pass filter and the second low pass filter can be low pass numbers
Word wave filter, but it is not limited only to this.Certainly, in other embodiments, DSP (Digital Signal can also be utilized
Processing, Digital Signal Processing) discrete voice signals revivification is continuous voice signal by chip, but is not limited only to this.
Step 304, according to the described first continuous voice signal and the second continuous voice signal, obtain target sound letter
Number.
In the step, the first continuous voice signal and the second continuous voice signal can be transmitted to difference amplifier
In, obtain target sound signal, can also by the second continuous transmission of sound signals to reverser, then by reverser export signal
Transmitted with by the first continuous voice signal into adder, obtain target sound signal.
Optionally, alternately the first microphone of unlatching and the second microphone, including：
According to default switching frequency, the first microphone and second microphone are alternately opened.
In the present embodiment, to make intactly to remain in the first microphone and the discrete voice signal of second microphone collection
Information during call in voice signal, according to sampling thheorem, switching frequency can be preset as being more than most high frequency in voice signal
Twice of rate.The audible frequency of people so that highest frequency is 10000Hz as an example, is then cut typically in the range of 100Hz to 10000Hz
20000Hz, even more high can be preset as by changing frequency.
Optionally, the switching frequency is the preset multiple of the frequency of the target sound signal.
Due to it is an object of the invention to gather the voice signal of destination object, and the voice signal of destination object corresponds to
The target sound signal.Such as：So that destination object is user A as an example, target sound signal is the institute that is collected from microphone
There is the user A filtered out in voice signal voice signal.So, the voice signal of destination object, that is, processing is corresponded to the pass
Target sound signal obtained from the discrete signal of microphone collection.
Therefore, switching frequency can be the preset multiple of the frequency of the target sound signal.According to sampling thheorem, preset
Multiple is typically greater than or equal to 2, can specifically determine, be not limited thereto according to being actually needed.
Optionally, the preset multiple is more than or equal to 3.
It is undistorted to believe in former continuous sound after ensureing that discrete voice signals revivification is continuous voice signal in the step
Number, preset multiple can be more than or equal to 3, so as to improve the reliability of microphone.
Optionally, it is described to be based on the described first continuous voice signal and the second continuous voice signal, obtain target sound
Sound signal, including：
After described second continuous voice signal is carried out into reverse process, it is overlapped with the described first continuous voice signal,
Obtain target sound signal；Or
Described first continuous voice signal and the second continuous voice signal are subtracted each other, obtain target sound signal.
In the step, by the second continuous transmission of sound signals to reverser, by the phase 180 of the second continuous voice signal
Degree reversion, then transmitted by the signal of reverser output and by the first continuous voice signal into adder, adder will be reverse
The signal and the first continuous voice signal of device output are overlapped, so as to counteract the ambient noise in the first continuous voice signal
Signal, the signal of adder output is target sound signal；Or the first continuous voice signal and the second continuous sound are believed
Number transmit into difference amplifier, specifically, the positive input terminal of the first continuous transmission of sound signals to difference amplifier, second
To the negative input end of difference amplifier, the signal that difference amplifier receives positive input terminal subtracts negative continuous transmission of sound signals
The signal that input receives, then then the signal amplification for subtracting each other to obtain is exported, the signal of output is target sound signal.
The processing method of the voice signal of the present embodiment, by alternately opening the first microphone and second microphone, and lead to
Cross first microphone and gather the first discrete voice signal, the second discrete voice signal is gathered by the second microphone,
The sampling of voice signal is realized, then the discrete voice signals revivification that microphone is gathered is continuous voice signal, according to continuous sound
Sound signal obtains target sound signal, has both reached noise reduction, also reduces the power consumption of mobile terminal.
Referring to Fig. 4, Fig. 4 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention, as shown in figure 3, mobile whole
End 400 includes：Acquisition module 401 and acquisition module 402.
Wherein, acquisition module 401, for alternately opening the first microphone and second microphone, and first wheat is passed through
Gram elegance collection the first discrete voice signal, pass through the second microphone and gather the second discrete voice signal；
Acquisition module 402, for according to the first discrete voice signal and the second discrete voice signal, obtaining mesh
Mark voice signal；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
Optionally, acquisition module 401, for alternately opening the first microphone and during second microphone, specifically for according to
Default switching frequency, alternately open the first microphone and second microphone.
Optionally, the switching frequency is the preset multiple of the frequency of the target sound signal.
Optionally, the preset multiple is more than or equal to 3.
Optionally, as shown in figure 5, acquisition module 402, including：
First reduction submodule 4021, for being the first continuous voice signal by the first discrete voice signals revivification；
Second reduction submodule 4022, for being the second continuous voice signal by the second discrete voice signals revivification；
Acquisition submodule 4023, for the first continuous voice signal and second reduced according to the first reduction submodule 4021
The second continuous voice signal that submodule 4022 reduces is reduced, obtains target sound signal.
Optionally, acquisition submodule 4023 is specifically used for：
After the second continuous voice signal that second reduction submodule 4022 reduces is carried out into reverse process, atom is gone back with first
The first continuous voice signal that module 4021 reduces is overlapped, and obtains target sound signal；Or
What the first continuous voice signal and the second reduction submodule 4022 that the first reduction submodule 4021 is reduced reduced
Second continuous voice signal subtracts each other, and obtains target sound signal.
Mobile terminal 400 can realize each process in Fig. 2 and Fig. 3 embodiment of the method, to avoid repeating, here not
Repeat again.
The mobile terminal of the embodiment of the present invention, the first microphone and second microphone are alternately opened, and pass through described first
Microphone gathers the first discrete voice signal, and the second discrete voice signal is gathered by the second microphone；According to described
One discrete voice signal and the second discrete voice signal, obtain target sound signal；Wherein, second Mike is being opened
During wind, the second microphone is closed；When opening the second microphone, the second microphone is closed.The present invention utilizes
The first microphone and second microphone alternately opened realize the sampling of voice signal, and mesh is obtained further according to the discrete signal of collection
Voice signal is marked, has both reached noise reduction, has also reduced the power consumption of mobile terminal.
Referring to Fig. 6, Fig. 6 is the structure chart of another mobile terminal provided in an embodiment of the present invention, as shown in fig. 6, mobile
Terminal 600 includes：At least one processor 601, memory 602, at least one network interface 604 and user interface 603.It is mobile
Each component in terminal 600 is coupled by bus system 605.It is understood that bus system 605 is used to realize these groups
Connection communication between part.Bus system 605 is in addition to including data/address bus, in addition to power bus, controlling bus and state
Signal bus.But for the sake of clear explanation, various buses are all designated as bus system 605 in figure 6.Mobile terminal 600
Also include the first microphone 606 and second microphone 607, wherein, the first microphone 606 is mainly used in gathering the language of calling user
Sound signal, second microphone 607 are mainly used in gathering ambient noise signal, are believed with eliminating the sound of the first microphone 606 collection
Ambient noise signal in number, so as to reach dual microphone noise reduction.In addition, the first microphone 606 and second microphone 607
It is connected by bus system 605 with each component of mobile terminal.
Wherein, user interface 603 can include display, keyboard or pointing device (for example, mouse, trace ball
(track ball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or it may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable P ROM, EPROM), Electrically Erasable Read Only Memory (Electrically EP ROM, EEPROM)
Or flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside
Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous D RAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SD RAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SD RAM, ESDRAM), synchronously connect
Connect dynamic random access memory (Synch link D RAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 602 of system and method described herein be intended to including but not limited to these
With the memory of any other suitable type.
In some embodiments, memory 602 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 6021 and application program 6022.
Wherein, operating system 6021, comprising various system programs, such as ccf layer, core library layer, driving layer etc., it is used for
Realize various basic businesses and the hardware based task of processing.Application program 6022, include various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 6022.
In embodiments of the present invention, mobile terminal 600 also includes：It is stored on memory 602 and can be on processor 601
The computer program of operation, can be the computer program in application program 6022, computer program is by processor specifically
601 realize following steps when performing：
The first microphone and second microphone are alternately opened, and the first discrete sound message is gathered by first microphone
Number, the second discrete voice signal is gathered by the second microphone；
According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
The method that the embodiments of the present invention disclose can apply in processor 601, or be realized by processor 601.
Processor 601 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 601 or the instruction of software form.Above-mentioned processing
Device 601 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, flash memory, read-only storage, may be programmed read-only
In the ripe computer-readable recording medium in this area such as memory or electrically erasable programmable memory, register.This is deposited
Storage media is located at memory 602, and processor 601 reads the information in memory 602, and the step of the above method is completed with reference to its hardware
Suddenly.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realize, can be realized herein by performing the module (such as process, function etc.) of function described herein for software
Described technology.Software code is storable in memory and passes through computing device.Memory can within a processor or
Realized outside processor.
Optionally, when computer program performs alternately first microphone of unlatching and second microphone by processor 601,
Following steps can also be realized：
According to default switching frequency, the first microphone and second microphone are alternately opened.
Optionally, the switching frequency is the preset multiple of the frequency of the target sound signal.
Optionally, the preset multiple is more than or equal to 3.
Optionally, computer program is performed described according to the first discrete voice signal and described by processor 601
Two discrete voice signals, when obtaining target sound signal, it can also realize following steps：
It is the first continuous voice signal by the first discrete voice signals revivification；
It is the second continuous voice signal by the second discrete voice signals revivification；
According to the described first continuous voice signal and the second continuous voice signal, target sound signal is obtained.
Optionally, computer program is performed described according to the described first continuous voice signal and described by processor 601
Two continuous voice signals, when obtaining target sound signal, it can also realize following steps：
After described second continuous voice signal is carried out into reverse process, it is overlapped with the described first continuous voice signal,
Obtain target sound signal；Or
Described first continuous voice signal and the second continuous voice signal are subtracted each other, obtain target sound signal.
Mobile terminal 600 can realize each process in preceding method embodiment, no longer superfluous here to avoid repeating
State.
The mobile terminal of the embodiment of the present invention, the first microphone and second microphone are alternately opened, and pass through described first
Microphone gathers the first discrete voice signal, and the second discrete voice signal is gathered by the second microphone；According to described
One discrete voice signal and the second discrete voice signal, obtain target sound signal；Wherein, second Mike is being opened
During wind, the second microphone is closed；When opening the second microphone, the second microphone is closed.The present invention utilizes
The first microphone and second microphone alternately opened realize the sampling of voice signal, and mesh is obtained further according to the discrete signal of collection
Voice signal is marked, has both reached noise reduction, has also reduced the power consumption of mobile terminal.
Referring to Fig. 7, Fig. 7 is the structural representation of another mobile terminal provided in an embodiment of the present invention, such as Fig. 7 institutes
Show, mobile terminal 700 includes radio frequency (Radio Frequency, RF) circuit 701, memory 702, input block 703, display
Unit 704, processor 705, voicefrequency circuit 706, Wi-Fi module 707, power supply 708, the first microphone 709 and second microphone
710。
Wherein, the first microphone 709 is mainly used in gathering the voice signal of calling user, and second microphone 710 is mainly used
In collection ambient noise signal, to eliminate the ambient noise signal in the voice signal of the first microphone 709 collection, so as to reach
Dual microphone noise reduction.
Wherein, input block 703 can be used for the numeral or character information for receiving user's input, and generation and mobile terminal
The signal input that 700 user is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 703 can
With including contact panel 7031.Contact panel 7031, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses the operations of any suitable object or annex on contact panel 7031 such as finger, stylus), and according to pre-
The corresponding connection mobile terminal of formula driving first set.Optionally, contact panel 7031 may include touch detection mobile terminal
With two parts of touch controller.Wherein, the touch orientation of touch detection mobile terminal detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detection mobile terminal, and
Contact coordinate is converted into, then gives the processor 705, and the order sent of reception processing device 705 and can be performed.This
Outside, the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be used to realize contact panel 7031.Except touching
Panel 7031 is controlled, input block 703 can also include other input equipments 7032, and other input equipments 7032 can be included but not
The one kind being limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
It is or a variety of.
Wherein, display unit 704 can be used for display by the information of user's input or be supplied to information and the movement of user
The various menu interfaces of terminal 700.Display unit 704 may include display panel 7041, optionally, can use LCD or organic
The forms such as light emitting diode (Organic Light-Emitting Diode, OLED) configure display panel 7041.
It should be noted that contact panel 7031 can cover display panel 7041, touch display screen is formed, when the touch display screen
After detecting the touch operation on or near it, processor 705 is sent to determine the type of touch event, is followed by subsequent processing device
705 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..The touch-screen of the embodiment of the present invention is soft
Property screen, organic nesa coating of CNT is posted in two faces of flexible screen.
Wherein processor 705 is the control centre of mobile terminal 700, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or performing the software program and/or module that are stored in first memory 7021, and call storage
Data in second memory 7022, the various functions and processing data of mobile terminal 700 are performed, so as to mobile terminal
700 carry out integral monitoring.Optionally, processor 705 may include one or more transmitting elements.
In embodiments of the present invention, mobile terminal 700 also includes：It is stored on memory 702 and can be on processor 705
The computer program of operation, can be the computer program in first memory 7021, computer program is by processor specifically
705 realize following steps when performing：
The first microphone and second microphone are alternately opened, and the first discrete sound message is gathered by first microphone
Number, the second discrete voice signal is gathered by the second microphone；
According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
, can also be real when computer program performs alternately first microphone of unlatching and second microphone by processor 705
Existing following steps：
According to default switching frequency, the first microphone and second microphone are alternately opened.
Optionally, the switching frequency is the preset multiple of the frequency of the target sound signal.
Optionally, the preset multiple is more than or equal to 3.
Optionally, computer program is performed described according to the first discrete voice signal and described by processor 705
Two discrete voice signals, when obtaining target sound signal, it can also realize following steps：
It is the first continuous voice signal by the first discrete voice signals revivification；
It is the second continuous voice signal by the second discrete voice signals revivification；
According to the described first continuous voice signal and the second continuous voice signal, target sound signal is obtained.
Optionally, computer program is performed described according to the described first continuous voice signal and described by processor 705
Two continuous voice signals, when obtaining target sound signal, it can also realize following steps：
After described second continuous voice signal is carried out into reverse process, it is overlapped with the described first continuous voice signal,
Obtain target sound signal；Or
Described first continuous voice signal and the second continuous voice signal are subtracted each other, obtain target sound signal.
Mobile terminal 700 can realize each process and beneficial effect in preceding method embodiment, to avoid repeating, this
In repeat no more.
The mobile terminal of the embodiment of the present invention, the first microphone and second microphone are alternately opened, and pass through described first
Microphone gathers the first discrete voice signal, and the second discrete voice signal is gathered by the second microphone；According to described
One discrete voice signal and the second discrete voice signal, obtain target sound signal；Wherein, second Mike is being opened
During wind, the second microphone is closed；When opening the second microphone, the second microphone is closed.The present invention utilizes
The first microphone and second microphone alternately opened realize the sampling of voice signal, and mesh is obtained further according to the discrete signal of collection
Voice signal is marked, has both reached noise reduction, has also reduced the power consumption of mobile terminal.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and meter is stored with computer-readable recording medium
Calculation machine program, realizes following steps when computer program is executed by processor：
The first microphone and second microphone are alternately opened, and the first discrete sound message is gathered by first microphone
Number, the second discrete voice signal is gathered by the second microphone；
According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；
Wherein, when opening the second microphone, the second microphone is closed；Opening the second microphone
When, close the second microphone.
Optionally, when computer program is executed by processor alternately first microphone of unlatching and second microphone, also
Following steps can be achieved：
According to default switching frequency, the first microphone and second microphone are alternately opened.
Optionally, the switching frequency is the preset multiple of the frequency of the target sound signal.
Optionally, the preset multiple is more than or equal to 3.
Optionally, computer program be executed by processor it is described according to the first discrete voice signal and described second from
Voice signal is dissipated, when obtaining target sound signal, can also realize following steps：
It is the first continuous voice signal by the first discrete voice signals revivification；
It is the second continuous voice signal by the second discrete voice signals revivification；
According to the described first continuous voice signal and the second continuous voice signal, target sound signal is obtained.
Optionally, computer program be executed by processor it is described according to the described first continuous voice signal with it is described second connect
Continuous voice signal, when obtaining target sound signal, can also realize following steps：
After described second continuous voice signal is carried out into reverse process, it is overlapped with the described first continuous voice signal,
Obtain target sound signal；Or
Described first continuous voice signal and the second continuous voice signal are subtracted each other, obtain target sound signal.
Computer program can realize each process of the processing method embodiment of tut signal when being executed by processor,
And identical technique effect can be reached, to avoid repeating, repeat no more here.Wherein, described computer-readable recording medium,
Such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, letter
Claim RAM), magnetic disc or CD etc..
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (14)
1. a kind of processing method of voice signal, for mobile terminal, the mobile terminal includes the first microphone and the second wheat
Gram wind, it is characterised in that methods described includes：
The first microphone and second microphone are alternately opened, and the first discrete voice signal is gathered by first microphone,
Second discrete voice signal is gathered by the second microphone；
According to the first discrete voice signal and the second discrete voice signal, target sound signal is obtained；
Wherein, when opening the second microphone, the second microphone is closed；When opening the second microphone, close
Close the second microphone.
2. the method as described in claim 1, it is characterised in that described alternately to open the first microphone and second microphone, bag
Include：
According to default switching frequency, the first microphone and second microphone are alternately opened.
3. method as claimed in claim 2, it is characterised in that the switching frequency is the frequency of the target sound signal
Preset multiple.
4. method as claimed in claim 3, it is characterised in that the preset multiple is more than or equal to 3.
5. the method as any one of Claims 1-4, it is characterised in that described according to the first discrete sound message
Number and the second discrete voice signal, obtain target sound signal, including：
It is the first continuous voice signal by the first discrete voice signals revivification；
It is the second continuous voice signal by the second discrete voice signals revivification；
According to the described first continuous voice signal and the second continuous voice signal, target sound signal is obtained.
6. method as claimed in claim 5, it is characterised in that described according to the described first continuous voice signal and described second
Continuous voice signal, target sound signal is obtained, including：
After described second continuous voice signal is carried out into reverse process, it is overlapped, obtains with the described first continuous voice signal
Target sound signal；Or
Described first continuous voice signal and the second continuous voice signal are subtracted each other, obtain target sound signal.
7. a kind of mobile terminal, the mobile terminal includes the first microphone and second microphone, it is characterised in that including：
Acquisition module, first is gathered for alternately opening the first microphone and second microphone, and by first microphone
Discrete voice signal, the second discrete voice signal is gathered by the second microphone；
Acquisition module, for according to the first discrete voice signal and the second discrete voice signal, obtaining target sound
Signal；
Wherein, when opening the second microphone, the second microphone is closed；When opening the second microphone, close
Close the second microphone.
8. mobile terminal as claimed in claim 7, it is characterised in that the acquisition module, for alternately opening the first Mike
When wind and second microphone, specifically for according to default switching frequency, alternately opening the first microphone and second microphone.
9. mobile terminal as claimed in claim 8, it is characterised in that the switching frequency is the frequency of the target sound signal
The preset multiple of rate.
10. mobile terminal as claimed in claim 9, it is characterised in that the preset multiple is more than or equal to 3.
11. the mobile terminal as any one of claim 7 to 10, it is characterised in that the acquisition module, including：
First reduction submodule, for being the first continuous voice signal by the first discrete voice signals revivification；
Second reduction submodule, for being the second continuous voice signal by the second discrete voice signals revivification；
Acquisition submodule, for the first continuous voice signal reduced according to the described first reduction submodule and second reduction
Second continuous voice signal of submodule reduction, obtains target sound signal.
12. mobile terminal as claimed in claim 11, it is characterised in that the acquisition submodule is specifically used for：
After second continuous voice signal of the described second reduction submodule reduction is carried out into reverse process, atom is gone back with described first
First continuous voice signal of module reduction is overlapped, and obtains target sound signal；Or reduce submodule by described first
First continuous voice signal of reduction and the second continuous voice signal of the second reduction submodule reduction subtract each other, and obtain target
Voice signal.
13. a kind of mobile terminal, it is characterised in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, the computer program is realized such as claim 1 to 6 during the computing device
Any one of voice signal processing method the step of.
14. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, the place of the voice signal as any one of claim 1 to 6 is realized when the computer program is executed by processor
The step of reason method.
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| CN201710665949.7A CN107507622A (en) | 2017-08-07 | 2017-08-07 | Processing method, mobile terminal and the computer-readable recording medium of voice signal |
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| CN201710665949.7A CN107507622A (en) | 2017-08-07 | 2017-08-07 | Processing method, mobile terminal and the computer-readable recording medium of voice signal |
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Application publication date: 20171222 |