CN107277209A - One kind call method of adjustment and mobile terminal - Google Patents
One kind call method of adjustment and mobile terminal Download PDFInfo
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- CN107277209A CN107277209A CN201710625964.9A CN201710625964A CN107277209A CN 107277209 A CN107277209 A CN 107277209A CN 201710625964 A CN201710625964 A CN 201710625964A CN 107277209 A CN107277209 A CN 107277209A
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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
- H04M1/20—Arrangements for preventing acoustic feed-back
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Abstract
The embodiment of the invention discloses one kind call method of adjustment and mobile terminal, wherein, call method of adjustment includes：The downstream tones signal of opposite end is received in communication process, and gathers the audio signals upstream of local terminal；According to the downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is eliminated, audio signals upstream to be sent is obtained；According to downstream tones signal, judge in audio signals upstream to be sent with the presence or absence of echo interference, if there is echo interference, adjust the echo parameter that disappears.So as to save manpower and the time for adjusting the echo parameter that disappears, and the echo parameter that suitably disappears can be determined according to the actual call scene of user, so as to obtain the Echo that preferably disappears.
Description
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of call method of adjustment and mobile terminal.
Background technology
With the popularization of mobile terminal, user uses the frequency more and more higher of mobile terminal.Call is logical as mobile terminal
The most basic function of letter, the importance to user is self-evident.Good call can not only cause communication between user more
It is clear, and whole communication process ratio can be made smoothly, reduce the irritated sense of user's communication.
Communication process includes audio signals upstream and downstream tones signal in mobile terminal, wherein, audio signals upstream is
Refer to the typing by audio collecting devices such as the Mikes of local terminal to audio signal, by analog-to-digital conversion, send to modem and adjust
The audio signal of opposite end is sent to after system by antenna；Downstream tones signal refers to the audio signal that opposite end is received by mobile terminal,
After digital-to-analogue conversion, the audio signal played by the electro-acoustic element of local terminal.The echo signal of mobile terminal refers to downstream tones
Signal is after the electro-acoustic element of local terminal is played, and by local terminal, Mike picks up, and the up echo that disappears is not thorough, causes by upstream tones
Signal is mixed into downstream tones signal when being sent to opposite end so that the sound of oneself has been heard to terminal, influences the impression of user's communication.
Existing call method of adjustment generally carries out repeatedly subjective sense of hearing by tester and tested, then will meet standard
The echo parameter that disappears is cured in mobile terminal, not only debugging process waste of manpower and time, once and mobile terminal outside
Environment is changed, and will cause echo cancellor occurs abnormal, it is impossible to which call is effectively adjusted.
The content of the invention
The embodiment of the present invention provides a kind of call method of adjustment and mobile terminal, to solve easily to return in communication process
The problem of sound.
First aspect includes there is provided one kind call method of adjustment, method：
The downstream tones signal of opposite end is received in communication process, and gathers the audio signals upstream of local terminal；
According to the downstream tones signal and the echo parameter that disappears, the echo signal in the audio signals upstream is disappeared
Remove, obtain audio signals upstream to be sent；
According to the downstream tones signal, judge with the presence or absence of echo interference in the audio signals upstream to be sent,
Wherein, the echo interference refers to the interference that the echo signal not eliminated in audio signals upstream is caused to the opposite end；
If there is echo interference, disappear echo parameter described in regulation.
Second aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, including：
Call module, for receiving the downstream tones signal of opposite end in communication process, and gathers the upstream tones of local terminal
Signal；
Echo cancellation module, for according to the downstream tones signal and the echo parameter that disappears, to the audio signals upstream
In echo signal eliminated, obtain audio signals upstream to be sent；
Detection module, for according to the downstream tones signal, judge in the audio signals upstream to be sent whether
There is echo interference, wherein, the echo interference refers to that the echo signal not eliminated in audio signals upstream is made to the opposite end
Into interference；
Adjustment module, if for there is echo interference, disappear echo parameter described in regulation.
The third aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, including processor, memory, is stored in institute
The call adjustment programme that can be run on memory and on the processor is stated, the call adjustment programme is held by the processor
The step of above-mentioned call method of adjustment is realized during row.
Fourth aspect, the embodiment of the present invention additionally provides a kind of computer-readable recording medium, described computer-readable to deposit
Be stored with call adjustment programme on storage media, and the call adjustment programme realizes above-mentioned call method of adjustment when being executed by processor
The step of.
To sum up, the embodiment of the present invention in communication process by receiving the downstream tones signal of opposite end, and gathers local terminal
Audio signals upstream, according to the downstream tones signal and the echo parameter that disappears, is carried out to the echo signal in audio signals upstream
Eliminate, obtain after audio signals upstream to be sent, according to downstream tones signal, judge be in audio signals upstream to be sent
It is no to there is echo interference, if there is echo interference, adjust the echo parameter that disappears.Disappear echo parameter for regulation so as to save
Manpower and the time, and the echo parameter that suitably disappears can be determined according to the actual call scene of user, thus obtain compared with
The good Echo that disappears.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of call method of adjustment of the embodiment of the present invention；
Fig. 2 is the flow chart of another call method of adjustment of the embodiment of the present invention；
Fig. 3 is the flow chart of another call method of adjustment of the embodiment of the present invention；
Fig. 4 is the flow chart of another call method of adjustment of the embodiment of the present invention；
Fig. 5 is a kind of block diagram of mobile terminal of the embodiment of the present invention；
Fig. 6 is the block diagram of another mobile terminal of the embodiment of the present invention；
Fig. 7 is the block diagram of another mobile terminal of the embodiment of the present invention；
Fig. 8 is the block diagram of another mobile terminal of the 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 is described, it is clear that described embodiment is a part of embodiment of the 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.
Reference picture 1, shows a kind of flow chart for method of adjustment of conversing in the embodiment of the present invention, what the present embodiment was provided
Method can be performed by mobile terminal, and the mobile terminal includes but is not limited to the mobile terminal equipments such as mobile phone, tablet personal computer,
This method may be not only suitable for the wireless communication of various standards, it can also be used to the video of the bitcom such as wechat, QQ, call chat
In, call method of adjustment includes：
Step 101, the downstream tones signal of opposite end is received in communication process, and gathers the audio signals upstream of local terminal.
Communication process is generally carried out between the local terminal of mobile terminal and opposite end.In local terminal and opposite end communication process, this
The mobile terminal at end can first receive the downstream tones signal of opposite end., can be by numeral after the downstream tones signal is received
Signal processor (Digital Signal Processor, DSP) is handled, and transmission to audio power amplifier device is amplified
Processing, then be converted to through digital-to-analog converter (Digital to Analog Converter, DAC) after analog signal, by raising one's voice
The electro-acoustic elements such as device, receiver are played, so as to complete the downlink transmission process of downstream tones signal.Wherein, by downstream tones
Before signal DAC conversions, downstream tones signal can be intercepted and preserved, as the foundation of echo cancellor, and be judged
The foundation of echo cancellor effect.
After the mobile terminal of local terminal plays the downstream tones signal by electro-acoustic element, it can be picked up by the pickup device such as Mike
Take, the part as audio signals upstream.Changed through A-D converter (Analog to Digital Converter, ADC)
After data signal, it just can send into audio power amplifier device and be amplified processing.
Specifically, when the downstream tones signal of opposite end is received in communication process, simulation set in advance can be received true
The downstream tones signal of real call scene, can also receive the downstream tones signal of the actual call of base station transmission, and to receiving
The downstream tones signal decoding arrived.Wherein, can be by playing specific audio signal source of sound in the true call scene of simulation
To realize.
Step 102, according to downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is disappeared
Remove, obtain audio signals upstream to be sent.
Due to the downstream tones signal that electro-acoustic element is played, it can be picked up by the pickup such as Mike device, as upstream tones letter
Echo signal in number.In order to be eliminated to the echo signal, first basis it can obtain and preserve during downgoing communication
Downstream tones signal, the echo signal in audio signals upstream is identified.Further according to the echo parameter that disappears to identifying
Echo signal is eliminated, so as to obtain audio signals upstream to be sent.
In actual applications, the bottom of audio signals upstream can also be made an uproar and suppressed, to lift audio signals upstream
Tonequality.
Step 103, according to downstream tones signal, judge in audio signals upstream to be sent with the presence or absence of echo interference.
In actual applications, changed with the external environment condition of mobile terminal, by step 102 to audio signals upstream
In echo signal eliminated, it is difficult to ensure that echo signal is thoroughly eliminated, if residual echo signal it is still larger, cause
Opposite end is remained to hear echo, and call is interfered.It therefore, it can according to downstream tones signal, judge up sound to be sent
Disturbed in frequency signal with the presence or absence of echo.Wherein, echo interference refers to the echo signal not eliminated in audio signals upstream to logical
The interference that the opposite end of words is caused.
It whether there is keyword set in advance in the corresponding text message of downstream tones signal specifically, may determine that,
If there is keyword, it is determined that there is echo interference in audio signals upstream to be sent, wherein, keyword can be " my energy
Hear the sound of oneself " or the actual communication process such as " having echo " in the word that may mention when hearing echo, it is logical to characterize
There is echo signal in words.
Can also be according to downstream tones signal, judging the volume amplitude of echo signal in audio signals upstream to be sent is
It is no to exceed volume threshold, if more than volume threshold, it is determined that there is echo interference in audio signals upstream to be sent.
After in judging audio signals upstream to be sent with the presence or absence of echo interference, if there is echo interference, perform
Step 104, echo parameter is adjusted, to reduce echo interference.
Step 104, the echo parameter that disappears is adjusted.
When it is determined that there is echo interference, can be disappeared echo parameter by regulation, improve the eradicating efficacy to echo.Specifically
, the echo parameter that disappears can be automatically adjusted according to the volume amplitude of echo signal in audio signals upstream to be sent.Can also
The control instruction for echo is obtained from user interface, and according to the control instruction, the echo parameter that disappears is adjusted manually.
In actual applications, when the call ends, the regulation for offseting echo parameter can be cancelled, is disappeared with retracting to initial
Echo parameter.Because disappearing echo caused by environmental change excessively during so as to avoid converse next time, it is upper that damage local terminal is sent
Row audio signal.
In summary, in the embodiment of the present invention, by receiving the downstream tones signal of opposite end in communication process, and gather
The audio signals upstream of local terminal, according to the downstream tones signal and the echo parameter that disappears, believes the echo in audio signals upstream
Number eliminated, obtained after audio signals upstream to be sent, according to downstream tones signal, judge upstream tones letter to be sent
Disturbed in number with the presence or absence of echo, if there is echo interference, adjust the echo parameter that disappears.Disappear back so as to save for regulation
The manpower of sound parameter and time, and the echo parameter that suitably disappears can be determined according to the actual call scene of user, so that
Obtain the Echo that preferably disappears.
Reference picture 2, shows the flow chart of another call method of adjustment of the embodiment of the present invention.The present embodiment is provided
Method can be performed by mobile terminal, call method of adjustment include：
Step 201, the downstream tones signal of the true call scene of simulation set in advance is received.
When needing to carry out the debugging of echo to mobile terminal, the real call scene of mobile terminal simulation, opening is wanted
The call up-downgoing path of debugging, and play specific audio signal source of sound in the receiving terminal for receiving downstream tones signal.Wherein,
The audio signal source of sound can be divided into three sections, respectively include the more voice signal of low frequency component, intermediate frequency component more
Voice signal and the more voice signal of high fdrequency component.
After the corresponding downstream tones signal of the audio signal source of sound is received, DSP processing can be passed through, and send to audio
Power amplification device is amplified processing, then after being converted to analog signal through DAC, is played by electro-acoustic elements such as loudspeaker, receivers, from
And complete the downlink transmission process of downstream tones signal.Wherein, can be to descending before downstream tones signal DAC is changed
Audio signal is obtained and preserved, as the foundation of echo cancellor, and judge in audio signals upstream to be sent whether
There is the foundation of echo interference.
Due to using the specific audio signal source of sound simulation of broadcasting truly call scene, therefore can be without being connect by antenna
Wireless signal is received, signal can also be decoded without modem, so that the interference of network is eliminated, it is actual to call
The judgement of effect is more accurate.
Step 202, the audio signals upstream of local terminal is gathered.
After the mobile terminal of local terminal plays the downstream tones signal by electro-acoustic element, it can be picked up by the pickup device such as Mike
Take, form audio signals upstream.After being converted to data signal through ADC, it just can send into audio power amplifier device and be amplified processing.
Step 203, according to downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is disappeared
Remove, obtain audio signals upstream to be sent.
To the audio signals upstream amplified by audio frequency power amplifier, under first basis is obtained and preserved during downgoing communication
Row audio signal, the echo signal in audio signals upstream is identified.Further according to the echo parameter that disappears to the echo identified
Signal is eliminated.In order to lift the tonequality of audio signals upstream, the bottom of audio signals upstream can also be made an uproar and suppressed, from
And obtain audio signals upstream to be sent.
Step 204, according to downstream tones signal, judge in audio signals upstream to be sent with the presence or absence of echo interference.
Specifically, comparison audio signals upstream to be sent can be first passed through and obtained during downlink communication it is descending
Audio signal, the echo signal remained in audio signals upstream is identified.If being remained in audio signals upstream to be sent
Echo signal volume amplitude can be sent not less than volume threshold, then to the display interface of mobile terminal characterize echo by
Eliminate clean configured information.If the volume amplitude of the echo signal remained in audio signals upstream to be sent exceedes volume threshold
Value, it is determined that there is echo interference in audio signals upstream to be sent.Can be according to the volume amplitude of the echo signal of residual
With the volume amplitude of the downstream tones signal of reception, the ratio of echo signal residual, and the ratio that the echo signal is remained are determined
Example information is sent to the display interface of mobile terminal, for reference.
Further, it is also possible to audio signals upstream to be sent is played out by electro-acoustic elements such as external loudspeakers,
Subjective judgement is carried out by the sense of hearing by user.If the result of subjective judgement is echoless, it is determined that echo has eliminated totally.If main
The result sentenced again is seen to there is echo, then performs step 205, echo parameter is adjusted, to reduce echo interference.
Step 205, the echo parameter that disappears is adjusted.
After user determines to have echo interference by subjective judgement, the control instruction that user is directed to echo can be obtained,
For example, after user hears echo, echo cancellor enhancing button, or selection can be clicked on the display interface of mobile terminal
The grade of echo cancellor.Mobile terminal is received after the control instruction, can correspondingly be offseted echo parameter and is adjusted.
In summary, in the embodiment of the present invention, by the downstream tones for receiving the true call scene of simulation set in advance
Signal, and gather the audio signals upstream of local terminal.According to downstream tones signal and disappearing echo parameter, in audio signals upstream
Echo signal eliminated, obtain after audio signals upstream to be sent, according to downstream tones signal, judge to be sent upper
Disturbed in row audio signal with the presence or absence of echo, if there is echo interference, adjust the echo parameter that disappears.It is real without user
Border is called, and just can realize the debugging to echo, effectively saves manpower and the time of echo debugging, and eliminates net
The interference of network, the judgement to actual effect of conversing is more accurate.
Reference picture 3, shows the flow chart of another call method of adjustment of the embodiment of the present invention.The present embodiment is provided
Method can be performed by mobile terminal, call method of adjustment include：
Step 301, the downstream tones signal for the actual call that base station is sent, and the downstream tones signal to receiving are received
Decoding.
In actual communication process, downstream tones signal corresponding with opposite end dialog context can be received from base station, and lead to
The downstream tones signal decoding that the docking of toning modulator-demodulator is received.
Step 302, the audio signals upstream of local terminal is gathered.
After the mobile terminal of local terminal plays the downstream tones signal by electro-acoustic element, it can be picked up by the pickup device such as Mike
Take, form a part for audio signals upstream.After being converted to data signal through ADC, audio power amplifier device progress just can be sent into
Enhanced processing.
Step 303, according to downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is disappeared
Remove, obtain audio signals upstream to be sent.
Step 304, according to downstream tones signal, judge in audio signals upstream to be sent with the presence or absence of echo interference.
It whether there is keyword set in advance in the corresponding text message of downstream tones signal specifically, may determine that,
If there is keyword, it is determined that there is echo interference in audio signals upstream to be sent, wherein, keyword can be " my energy
Hear the sound of oneself " or the actual communication process such as " having echo " in the word that may mention when hearing echo, it is logical to characterize
There is echo signal in words.Echo is determined whether there is by subjective judgement to disturb.
Can also be according to downstream tones signal, judging the volume amplitude of echo signal in audio signals upstream to be sent is
It is no to exceed volume threshold, if more than volume threshold, it is determined that there is echo interference in audio signals upstream to be sent.Pass through
Objective judgement determines whether there is echo interference.
In actual applications, echo interference can be determined whether there is by subjective and objective two kinds of judgment modes more than,
If the judged result of either type performs step 305, echo parameter is adjusted, to reduce back to there is echo interference
Acoustic jamming.
Step 305, the echo parameter that disappears is adjusted.
Specifically, the grade of some elimination echoes can be preset in the terminal, different brackets correspondence is different
Echo cancellor effect.For example, the higher grade for eliminating echo, then echo is eliminated cleaner, and the echo of residual is also fewer,
The effect of corresponding echo cancellor is better.
After it is determined that there is echo interference, the grade for eliminating echo can be automatically adjusted by mobile terminal, to reach preferably
Echo cancellor effect.It can also be lifted after each determination has echo interference on the basis of the grade of echo is currently eliminated
One grade, until no longer there is echo interference.In actual applications, in order to tackle certain particular surroundings, it will may eliminate
The grade of echo is adjusted to higher grade, but this grade is not necessarily suitable for follow-up call, too high elimination echo
The audio signals upstream that grade may result in local terminal normal talking is damaged.It therefore, it can in end of conversation, revocation is offseted back
The regulation of sound parameter, to retract to the initial echo parameter that disappears.Because environmental change causes during so as to avoid converse next time
The echo that disappears it is excessive.
In summary, in the embodiment of the present invention, by receiving the downstream tones signal for the actual call that base station is sent, and adopt
Collect the audio signals upstream of local terminal.According to downstream tones signal and the echo parameter that disappears, the echo in audio signals upstream is believed
Number eliminated, obtained after audio signals upstream to be sent, according to downstream tones signal, judge upstream tones letter to be sent
Disturbed in number with the presence or absence of echo, if there is echo interference, adjust the echo parameter that disappears.So as to according to user's reality
Call scene determines suitably to disappear echo parameter, and then is prevented effectively from echo cancellor not thoroughly or echo cancellor is excessive.
Reference picture 4, shows the flow chart of another call method of adjustment of the embodiment of the present invention.The present embodiment is provided
Method can be performed by mobile terminal, call method of adjustment include：
Step 401, the downstream tones signal for the actual call that base station is sent, and the downstream tones signal to receiving are received
Decoding.
In actual communication process, downstream tones signal corresponding with opposite end dialog context can be received from base station, and lead to
The downstream tones signal decoding that the docking of toning modulator-demodulator is received.
Step 402, the audio signals upstream of local terminal is gathered.
After the mobile terminal of local terminal plays the downstream tones signal by electro-acoustic element, it can be picked up by the pickup device such as Mike
Take, form a part for audio signals upstream.After being converted to data signal through ADC, audio power amplifier device progress just can be sent into
Enhanced processing.
Step 403, according to downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is disappeared
Remove, obtain audio signals upstream to be sent.
Step 404, the control instruction of echo is directed to according to user, the echo parameter that disappears is adjusted.
Specifically, during the user in local terminal and the user's communication to section, if echo has been heard in the user feedback of opposite end,
And the user of local terminal is informed by downstream tones signal.The user of local terminal can be by operating on display interface for echo regulation
Button, select echo cancellor grade.Mobile terminal is received after the control instruction, can correspondingly be offseted echo parameter and be entered
Row regulation.
In summary, in the embodiment of the present invention, by receiving the downstream tones signal for the actual call that base station is sent, and adopt
Collect the audio signals upstream of local terminal.According to downstream tones signal and the echo parameter that disappears, the echo in audio signals upstream is believed
Number eliminated, obtained after audio signals upstream to be sent, be directed to the control instruction of echo according to user, regulation disappears echo ginseng
Number.So that user is in actual communication process, the echo ginseng that disappears of call can be adjusted according to the feedback hand of peer user
Number, it is to avoid offset in the case of inessential the adjust automatically of echo parameter so that user has more autonomous rights to choose.
Reference picture 5, shows a kind of block diagram of mobile terminal in the embodiment of the present invention.Mobile terminal includes：Call module
51st, echo cancellation module 52, detection module 53 and adjustment module 54.
Wherein, call module 51, for receiving the downstream tones signal of opposite end in communication process, and gather the upper of local terminal
Row audio signal；
Echo cancellation module 52, for according to downstream tones signal and the echo parameter that disappears, to returning in audio signals upstream
Acoustical signal is eliminated, and obtains audio signals upstream to be sent；
Detection module 53, for according to downstream tones signal, judging to whether there is back in audio signals upstream to be sent
Acoustic jamming, wherein, echo interference refers to the interference that the echo signal not eliminated in audio signals upstream is caused to opposite end；
Adjustment module 54, if for there is echo interference, adjusting the echo parameter that disappears.
To sum up, in the embodiment of the present invention, the downstream tones signal of opposite end is received in communication process by call module 51,
And the audio signals upstream of local terminal is gathered, in echo cancellation module 52 according to the downstream tones signal and the echo parameter that disappears, to upper
Echo signal in row audio signal is eliminated, and is obtained after audio signals upstream to be sent, by detection module 53 under
Row audio signal, judges with the presence or absence of echo interference in audio signals upstream to be sent, if there is echo interference, by adjusting
Module 54 adjusts the echo parameter that disappears.So as to save manpower and the time for adjusting the echo parameter that disappears, and can basis
The actual call scene of user determines the echo parameter that suitably disappears, so as to obtain the Echo that preferably disappears.
Reference picture 6, in a preferred embodiment of the invention, on the basis of Fig. 5, call module 51 includes：Mould
Intend call receiving submodule 511 and true call receiving submodule 512；Detection module 53 includes：The He of first detection sub-module 531
Second detection sub-module 532；Adjustment module 54 includes：Automatically adjust submodule 541 and manually regulation submodule 542.
Wherein, simulation call receiving submodule 511, the downstream tones for receiving the true call scene of simulation set in advance
Frequency signal；Or
True call receiving submodule 512, the downstream tones signal of the actual call for receiving base station transmission, and dock
The downstream tones signal decoding received.
First detection sub-module 531, for judging to whether there is keyword in the corresponding text message of downstream tones signal,
If there is keyword, it is determined that there is echo interference in audio signals upstream to be sent, wherein, keyword, which is used to characterize, to be conversed
In there is echo signal.
Second detection sub-module 532, for according to downstream tones signal, judging echo in audio signals upstream to be sent
Whether the volume amplitude of signal exceedes volume threshold, if more than volume threshold, it is determined that deposited in audio signals upstream to be sent
In echo interference.
Submodule 541 is automatically adjusted, for the volume amplitude according to echo signal in audio signals upstream to be sent, is adjusted
Save the echo parameter that disappears.
Regulation submodule 542, the control instruction of echo is directed to for being obtained from user interface manually；According to control instruction,
Adjust the echo parameter that disappears.
Specifically, first detection sub-module 531 includes：Acquiring unit 5311 and detection unit 5312.
Wherein, acquiring unit 5311, the downstream tones signal for obtaining decoding；Wherein, the downstream tones signal of decoding
In include the text message of opposite end dialog context；
Detection unit 5312, for detecting in text message whether include keyword.
In addition, the mobile terminal also includes：Reseting module 55, for when the call ends, revocation to offset echo parameter
Regulation, to retract to the initial echo parameter that disappears.
To sum up, in the embodiment of the present invention, received by call module 51 under the true call scene of simulation set in advance
Row audio signal or the downstream tones signal for receiving the actual call that base station is sent, and gather the audio signals upstream of local terminal.
Echo cancellation module 52 disappears according to downstream tones signal and the echo parameter that disappears to the echo signal in audio signals upstream
Remove, obtain after audio signals upstream to be sent, by detection module 53 according to downstream tones signal, judge up sound to be sent
Disturbed in frequency signal with the presence or absence of echo, if there is echo interference, the echo parameter that disappears is adjusted by adjustment module 54.Therefore,
Both it can realize the debugging to echo in the case of call actual without user, and effectively eliminated the interference of network.Also
Can determine the echo parameter that suitably disappears according to the actual call scene of user, so be prevented effectively from echo cancellor thoroughly or
Person's echo cancellor is excessive.
In addition, the embodiment of the present invention additionally provides a kind of mobile terminal, including processor, memory, described deposit is stored in
On reservoir and the call adjustment programme that can run on the processor, when the call adjustment programme is by the computing device
Each process of above-mentioned call method of adjustment embodiment is realized, and identical technique effect can be reached, to avoid repeating, here not
Repeat again.
On the other hand, the embodiment of the present invention additionally provides a kind of computer-readable recording medium, described computer-readable to deposit
Be stored with call adjustment programme on storage media, and the call adjustment programme realizes above-mentioned call method of adjustment when being executed by processor
Each process of embodiment, and identical technique effect can be reached, to avoid repeating, repeat no more here.Wherein, described meter
Calculation machine readable storage medium storing program for executing, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random
Access Memory, abbreviation RAM), magnetic disc or CD etc..
Specifically, Fig. 7 is the block diagram of another mobile terminal of the embodiment of the present invention.Mobile terminal 700 shown in Fig. 7 is wrapped
Include：At least one processor 701, memory 702, at least one network interface 704 and other users interface 703.Mobile terminal
Each component in 700 is coupled by bus system 705.It is understood that bus system 705 be used for realize these components it
Between connection communication.Bus system 705 is in addition to including data/address bus, in addition to power bus, controlling bus and status signal
Bus.But for the sake of clear explanation, various buses are all designated as bus system 705 in the figure 7.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM
(ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM, EEPROM) dodge
Deposit.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used as outside slow at a high speed
Deposit.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory
(SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memory 702 of the system and method for description of the embodiment of the present invention is intended to include but not limited
In these memories with any other suitable type.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 7022, includes various application programs, such as media
Player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize embodiment of the present invention side
The program of method may be embodied in application program 7022.
In embodiments of the present invention, mobile terminal 700 also includes：It is stored on memory 702 and can be on processor 701
The call adjustment programme of operation, can be the call adjustment programme in application program 7022 specifically, and call adjustment programme is located
Reason device 701 realizes following steps when performing：The downstream tones signal of opposite end is received in communication process, and gathers the up of local terminal
Audio signal；According to the downstream tones signal and the echo parameter that disappears, the echo signal in audio signals upstream is eliminated, obtained
To audio signals upstream to be sent；According to downstream tones signal, judge to whether there is back in audio signals upstream to be sent
Acoustic jamming, if there is echo interference, adjusts the echo parameter that disappears.
The method that the embodiments of the present invention are disclosed can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 701 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), application specific integrated circuit
(ApplicationSpecificIntegratedCircuit, ASIC), ready-made programmable gate array
(FieldProgrammableGateArray, FPGA) or other PLDs, discrete gate or transistor logic
Device, discrete hardware components.It can realize or perform disclosed each method, step and the box in the embodiment of the present invention
Figure.General processor can be microprocessor or the processor can also be any conventional processor etc..With reference to the present invention
The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and perform completion, or use decoding processor
In hardware and software module combination perform completion.Software module can be located at random access memory, and flash memory, read-only storage can
The ripe computer-readable recording medium in this area such as program read-only memory or electrically erasable programmable memory, register
In.The computer-readable recording medium is located at memory 702, and processor 701 reads the information in memory 702, hard with reference to its
The step of part completes the above method.Specifically, be stored with call adjustment programme on the computer-readable recording medium, call adjustment
Each step for method of adjustment embodiment of conversing as described above is realized when program is performed by processor 701.
It is understood that the embodiment of the present invention description these embodiments can with hardware, software, firmware, middleware,
Microcode or its combination are realized.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device
(ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray,
FPGA), general processor, controller, microcontroller, microprocessor, other electronic units for performing the application function or
During it is combined.
Realize, can be realized by performing the module (such as process, function) of function of the embodiment of the present invention for software
The technology of the embodiment of the present invention.Software code is storable in memory and by computing device.Memory can be in processing
Realized in device or outside processor.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：Judge the downstream tones
It whether there is keyword in the corresponding text message of signal, if there is the keyword, it is determined that the up sound to be sent
There is echo interference in frequency signal, wherein, the keyword, which is used to characterize in call, has echo signal.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：Believed according to downstream tones
Number, judge whether the volume amplitude of echo signal in audio signals upstream to be sent exceedes volume threshold, if more than volume threshold
Value, it is determined that there is echo interference in audio signals upstream to be sent.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：Obtain the downstream tones of decoding
Frequency signal；Wherein, the text message of opposite end dialog context is included in the downstream tones signal of decoding；Detect text message in whether
Include keyword.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：According to be sent up
The volume amplitude of echo signal in audio signal, adjusts the echo parameter that disappears.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：Pin is obtained from user interface
To the control instruction of echo；According to control instruction, the echo parameter that disappears is adjusted.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：Receive mould set in advance
Intend the downstream tones signal of true call scene；Or the downstream tones signal for the actual call that base station is sent is received, and dock
The downstream tones signal decoding received.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 701：When the call ends, remove
Pin offsets the regulation of echo parameter, to retract to the initial echo parameter that disappears.
Mobile terminal 700 can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here
Repeat no more.
To sum up, the embodiment of the present invention in communication process by receiving the downstream tones signal of opposite end, and gathers local terminal
Audio signals upstream, according to the downstream tones signal and the echo parameter that disappears, is carried out to the echo signal in audio signals upstream
Eliminate, obtain after audio signals upstream to be sent, according to downstream tones signal, judge be in audio signals upstream to be sent
It is no to there is echo interference, if there is echo interference, adjust the echo parameter that disappears.Disappear echo parameter for regulation so as to save
Manpower and the time, and the echo parameter that suitably disappears can be determined according to the actual call scene of user, thus obtain compared with
The good Echo that disappears.
Fig. 8 is the block diagram of another mobile terminal of the embodiment of the present invention.Specifically, the mobile terminal in Fig. 8 can be
Mobile phone, tablet personal computer, personal digital assistant (PersonalDigital Assistant, PDA) or vehicle-mounted computer etc..
Mobile terminal in Fig. 8 includes radio frequency (RadioFrequency, RF) circuit 810, memory 820, input block
830th, display unit 840, processor 860, voicefrequency circuit 870, WiFi (WirelessFidelity) module 880 and power supply 890.
Wherein, input block 830 can be used for the numeral or character information for receiving user's input, and produce and mobile terminal
User set and function control it is relevant signal input.Specifically, in the embodiment of the present invention, the input block 830 can be with
Including contact panel 831.Contact panel 831, also referred to as touch-screen, collect touch operation (ratio of the user on or near it
Such as user uses the operation of finger, any suitable object of stylus or annex on contact panel 831), and according to setting in advance
Fixed formula drives corresponding attachment means.Optionally, contact panel 831 may include touch detecting apparatus and touch controller two
Individual part.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought, and signal is passed
Give touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then
Give the processor 860, and the order sent of reception processing device 860 and can be performed.Furthermore, it is possible to using resistance-type, electricity
The polytypes such as appearance formula, infrared ray and surface acoustic wave realize contact panel 831.Except contact panel 831, input block 830
Other input equipments 832 can also be included, other input equipments 832 can include but is not limited to physical keyboard, function key (such as
Volume control button, switch key etc.), trace ball, mouse, the one or more in action bars etc..
Wherein, display unit 840 can be used for information and the movement for showing the information inputted by user or being supplied to user
The various menu interfaces of terminal.Display unit 840 may include display panel 841, optionally, can use LCD or organic light emission
The forms such as diode (OrganicLight-EmittingDiode, OLED) configure display panel 841.
It should be noted that contact panel 831 can cover display panel 841, touch display screen is formed, when touch display screen inspection
Measure after the touch operation on or near it, processor 860 is sent to determine the type of touch event, with preprocessor
860 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 is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
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..
Wherein processor 860 is the control centre of mobile terminal, utilizes each of various interfaces and connection whole mobile phone
Individual part, by operation or performs and is stored in software program and/or module in first memory 821, and calls and be stored in
Data in second memory 822, perform the various functions and processing data of mobile terminal, so as to be carried out to mobile terminal overall
Monitoring.Optionally, processor 860 may include one or more processing units.
In embodiments of the present invention, the mobile terminal in Fig. 8 also includes：It is stored in first memory 821 and/or second deposits
On reservoir 822 and the call adjustment programme that can be run on processor 860, call adjustment programme is real when being performed by processor 860
Existing following steps：The downstream tones signal of opposite end is received in communication process, and gathers the audio signals upstream of local terminal；According to this
Downstream tones signal and disappear echo parameter, the echo signal in audio signals upstream is eliminated, obtain to be sent up
Audio signal；According to downstream tones signal, judge with the presence or absence of echo interference in audio signals upstream to be sent, if existing back
Acoustic jamming, then adjust the echo parameter that disappears.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：Judge the downstream tones
It whether there is keyword in the corresponding text message of signal, if there is the keyword, it is determined that the up sound to be sent
There is echo interference in frequency signal, wherein, the keyword, which is used to characterize in call, has echo signal.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：Believed according to downstream tones
Number, judge whether the volume amplitude of echo signal in audio signals upstream to be sent exceedes volume threshold, if more than volume threshold
Value, it is determined that there is echo interference in audio signals upstream to be sent.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：Obtain the downstream tones of decoding
Frequency signal；Wherein, the text message of opposite end dialog context is included in the downstream tones signal of decoding；Detect text message in whether
Include keyword.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：According to be sent up
The volume amplitude of echo signal in audio signal, adjusts the echo parameter that disappears.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：Pin is obtained from user interface
To the control instruction of echo；According to control instruction, the echo parameter that disappears is adjusted.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：Receive mould set in advance
Intend the downstream tones signal of true call scene；Or the downstream tones signal for the actual call that base station is sent is received, and dock
The downstream tones signal decoding received.
Alternatively, following steps can also be realized when call adjustment programme is performed by processor 860：When the call ends, remove
Pin offsets the regulation of echo parameter, to retract to the initial echo parameter that disappears.
Mobile terminal can realize each process that mobile terminal is realized in previous embodiment, to avoid repeating, here not
Repeat again.
It can be seen that, the mobile terminal in the embodiment of the present invention receives the descending of opposite end by processor 860 in communication process
Audio signal, and gather the audio signals upstream of local terminal, according to the downstream tones signal and the echo parameter that disappears, to upstream tones
Echo signal in signal is eliminated, and is obtained after audio signals upstream to be sent, according to downstream tones signal, judges pending
Disturbed in the audio signals upstream sent with the presence or absence of echo, if there is echo interference, adjust the echo parameter that disappears.So as to save
It is used for manpower and the time for adjusting the echo parameter that disappears, and can determines suitably to disappear according to the actual call scene of user
Echo parameter, so as to obtain the Echo that preferably disappears.
Those of ordinary skill in the art it is to be appreciated that with reference to disclosed in the embodiment of the present invention embodiment description it is each
The unit and algorithm steps of example, can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this 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, may be referred to the corresponding process in preceding method embodiment, 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 unit, is only one kind
Division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the 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 function is realized using in the form of SFU software functional unit and as independent production marketing or in use, can stored
In a computer-readable recording medium.Understood based on such, technical scheme is substantially in other words to existing
The part or the part of the technical scheme that technology contributes can be embodied in the form of software product, and the computer is soft
Part product is stored in a computer-readable recording medium, including some instructions are to cause a computer equipment (can be with
It is personal computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment method.
Specifically, be stored with call adjustment programme on the computer-readable recording medium, when call adjustment programme is performed by processor 860
Realize each step for method of adjustment embodiment of conversing as described above.And foregoing computer-readable recording medium includes：USB flash disk, movement
Hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
More than, it is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (16)
1. one kind call method of adjustment, applied to mobile terminal, it is characterised in that including：
The downstream tones signal of opposite end is received in communication process, and gathers the audio signals upstream of local terminal；
According to the downstream tones signal and the echo parameter that disappears, the echo signal in the audio signals upstream is eliminated,
Obtain audio signals upstream to be sent；
According to the downstream tones signal, judge with the presence or absence of echo interference in the audio signals upstream to be sent, wherein,
The echo interference refers to the interference that the echo signal not eliminated in audio signals upstream is caused to the opposite end；
If there is echo interference, disappear echo parameter described in regulation.
2. treated described according to the method described in claim 1, it is characterised in that described according to the downstream tones signal, judging
The step of being disturbed in the audio signals upstream of transmission with the presence or absence of echo, including：
Judge to whether there is keyword in the corresponding text message of the downstream tones signal, if there is the keyword, really
There is echo interference in the fixed audio signals upstream to be sent, wherein, the keyword is used to characterize to be existed back in call
Acoustical signal.
3. treated described according to the method described in claim 1, it is characterised in that described according to the downstream tones signal, judging
The step of being disturbed in the audio signals upstream of transmission with the presence or absence of echo, in addition to：
According to the downstream tones signal, judge echo signal in the audio signals upstream to be sent volume amplitude whether
More than volume threshold, if more than the volume threshold, it is determined that there is echo interference in the audio signals upstream to be sent.
4. method according to claim 2, it is characterised in that the corresponding text envelope of the judgement downstream tones signal
The step of whether there is keyword in breath, including：
Obtain the downstream tones signal of decoding；Wherein, the text of opposite end dialog context is included in the downstream tones signal of the decoding
This information；
Detect in the text message and whether include keyword.
5. method according to claim 3, it is characterised in that disappear described in the regulation echo parameter the step of, including：
According to the volume amplitude of echo signal in audio signals upstream to be sent, disappear echo parameter described in regulation.
6. according to the method described in claim 1, it is characterised in that disappear described in the regulation echo parameter the step of, in addition to：
The control instruction for echo is obtained from user interface；
According to the control instruction, disappear echo parameter described in regulation.
7. according to the method described in claim 1, it is characterised in that the downstream tones letter that opposite end is received in communication process
Number, including：
Receive the downstream tones signal of the true call scene of simulation set in advance；Or
The downstream tones signal for the actual call that base station is sent is received, and the downstream tones signal received is decoded.
8. according to the method described in claim 1, it is characterised in that after the echo parameter that disappears described in regulation, in addition to：
When the call ends, revocation offsets the regulation of echo parameter, to retract to the initial echo parameter that disappears.
9. a kind of mobile terminal, it is characterised in that including：
Call module, for receiving the downstream tones signal of opposite end in communication process, and gathers the audio signals upstream of local terminal；
Echo cancellation module, for according to the downstream tones signal and the echo parameter that disappears, in the audio signals upstream
Echo signal is eliminated, and obtains audio signals upstream to be sent；
Detection module, for according to the downstream tones signal, judging to whether there is in the audio signals upstream to be sent
Echo is disturbed, wherein, the echo interference refers to what the echo signal not eliminated in audio signals upstream was caused to the opposite end
Interference；
Adjustment module, if for there is echo interference, disappear echo parameter described in regulation.
10. mobile terminal according to claim 9, it is characterised in that the detection module, including：
First detection sub-module, for judging to whether there is keyword in the corresponding text message of the downstream tones signal, if
There is the keyword, it is determined that there is echo interference in the audio signals upstream to be sent, wherein, the keyword is used
There is echo signal in characterizing in call.
11. mobile terminal according to claim 9, it is characterised in that the detection module, in addition to：
Second detection sub-module, for according to the downstream tones signal, judging to return in the audio signals upstream to be sent
Whether the volume amplitude of acoustical signal exceedes volume threshold, if more than the volume threshold, it is determined that the up sound to be sent
There is echo interference in frequency signal.
12. mobile terminal according to claim 10, it is characterised in that first detection sub-module, including：
Acquiring unit, the downstream tones signal for obtaining decoding；Wherein, opposite end is included in the downstream tones signal of the decoding
The text message of dialog context；
Detection unit, for detecting in the text message whether include keyword.
13. mobile terminal according to claim 10, it is characterised in that the adjustment module, including：
Submodule is automatically adjusted, for the volume amplitude according to echo signal in audio signals upstream to be sent, regulation is described
Disappear echo parameter.
14. mobile terminal according to claim 9, it is characterised in that the adjustment module, in addition to：
Regulation submodule, the control instruction of echo is directed to for being obtained from user interface manually；According to the control instruction, regulation
The echo parameter that disappears.
15. mobile terminal according to claim 9, it is characterised in that the call module, including：
Simulation call receiving submodule, the downstream tones signal for receiving the true call scene of simulation set in advance；Or
True call receiving submodule, the downstream tones signal of the actual call for receiving base station transmission, and to receiving
Downstream tones signal is decoded.
16. mobile terminal according to claim 9, it is characterised in that the mobile terminal also includes：
Reseting module, for when the call ends, revocation to offset the regulation of echo parameter, to retract to the initial echo ginseng that disappears
Number.
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| CN109361827A (en) * | 2018-10-22 | 2019-02-19 | 杭州叙简科技股份有限公司 | A kind of secondary suppressing method of the echo of communication terminal |
| CN111314780A (en) * | 2020-03-27 | 2020-06-19 | 苏州科达科技股份有限公司 | Method and device for testing echo cancellation function and storage medium |
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| CN113395580A (en) * | 2020-10-08 | 2021-09-14 | 刘风华 | Audio and video synchronization method based on video communication |
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