CN107172313A - Improve method, device, mobile terminal and the storage medium of hand-free call quality - Google Patents
Improve method, device, mobile terminal and the storage medium of hand-free call quality Download PDFInfo
- Publication number
- CN107172313A CN107172313A CN201710622699.9A CN201710622699A CN107172313A CN 107172313 A CN107172313 A CN 107172313A CN 201710622699 A CN201710622699 A CN 201710622699A CN 107172313 A CN107172313 A CN 107172313A
- Authority
- CN
- China
- Prior art keywords
- spectrum signature
- voice signal
- sound
- talking state
- mobile terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiments of the invention provide a kind of method, device, mobile terminal and storage medium for improving hand-free call quality, this method includes：It is in mobile terminal under handsfree talk mode, monitor the up channel and down channel of call, determine talking state, if mobile terminal says talking state in double, then parse the downlink voice signal obtained from down channel, obtain the spectrum signature of each sound of separate sources, echo spectrum signature is identified from the spectrum signature of each sound, and spectral decay processing is carried out to the sound belonging to echo spectrum signature according to the first spectral decay parameter, make it possible to be suppressed for echo, and the voice signal that will not destroy opposite end caller does not result in signal skew yet, so that what local terminal caller heard is coherent sound, improve speech communication quality.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of method for improving hand-free call quality, device, shifting
Dynamic terminal and storage medium.
Background technology
In the prior art, user carries out hand-free call or Video chat through conventional mobile phone, when saying talking state in double
When, often echogenicity problem, so-called echo refers to voice letter of the microphone in collection opposite end caller of opposite end caller
Number while, the local terminal caller of the speaker announcement collected passes the close of past voice signal and the band collected reflection
Sound produced by closed loop border, referred to as echo, all sound that opposite end caller collects the microphone of opposite end caller are sent out
When giving local terminal caller, local terminal caller can hear echo while the voice signal of opposite end caller is heard, because
This, is in order to avoid echo influences all sound progress echo suppression processing, it is necessary to be collected to microphone to speech quality,
, also can one while echo is eliminated but this suppression processing method can also be impacted to the voice signal of opposite end caller
Determine the voice signal of destruction opposite end caller in degree, cause signal skew so that what local terminal caller heard is that interim card is interrupted
Sound, influence speech communication quality.
The content of the invention
The embodiment of the present invention provides a kind of method, device, mobile terminal and storage medium for improving hand-free call quality, can
When carrying out echo suppression processing to solve all sound collected present in prior art to the microphone of opposite end caller,
The voice signal of opposite end caller can be impacted, opposite end caller can be also destroyed to a certain extent while echo is eliminated
Voice signal, cause signal skew so that what local terminal caller heard is the interrupted sound of interim card, influence speech communication quality
Technical problem.
To achieve the above object, first aspect of the embodiment of the present invention provides a kind of method for improving hand-free call quality, bag
Include：
It is in mobile terminal under handsfree talk mode, monitors the up channel and down channel of call, it is determined that call shape
State；
If the mobile terminal is in double downlink voice letters said talking state, parse from down channel acquisition
Number, obtain the spectrum signature of each sound of separate sources；
Echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay parameter to institute
State the sound belonging to echo spectrum signature and carry out spectral decay processing.
To achieve the above object, second aspect of the embodiment of the present invention provides a kind of device for improving hand-free call quality, bag
Include：
Monitoring modular, for being in mobile terminal under handsfree talk mode, monitors the up channel and descending letter of call
Road, determines talking state；
First parsing module, if saying talking state in double for the mobile terminal, is parsed from the down channel
The downlink voice signal of acquisition, obtains the spectrum signature of each sound of separate sources；
First attenuation module, for identifying echo spectrum signature from the spectrum signature of each sound, and according to
One spectral decay parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature.
To achieve the above object, the third aspect of the embodiment of the present invention provides a kind of mobile terminal, including：Memory, processing
Device and storage are on a memory and the computer program that can run on a processor, it is characterised in that the computing device institute
When stating computer program, each step in the method for the raising hand-free call quality described in first aspect is realized.
To achieve the above object, fourth aspect of the embodiment of the present invention provides a kind of storage medium, and the storage medium is meter
Calculation machine readable storage medium storing program for executing, is stored thereon with computer program, it is characterised in that the computer program is executed by processor
When, realize each step in the method for the raising hand-free call quality described in first aspect.
The embodiment of the present invention provides a kind of method, device, mobile terminal and storage medium for improving hand-free call quality, should
Method includes：It is in mobile terminal under handsfree talk mode, monitors the up channel and down channel of call, it is determined that call shape
State, if mobile terminal is in double downlink voice signals said talking state, parse from down channel acquisition, obtains separate sources
Each sound spectrum signature, echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay
Parameter carries out spectral decay processing to the sound belonging to echo spectrum signature.Relative to prior art, under handsfree talk mode,
Mobile terminal be in it is double when saying talking state, by identifying that echo frequency spectrum is special from the downlink voice signal in down channel
Levy, and spectral decay processing carried out to the sound belonging to the echo spectrum signature according to the first spectral decay parameter, enabling
Suppressed, and the voice signal of opposite end caller will not be destroyed also not result in signal skew for echo so that local terminal
What caller heard is coherent sound, improves speech communication quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structured flowchart of mobile terminal；
A kind of schematic flow sheet of the method for raising hand-free call quality that Fig. 2 provides for first embodiment of the invention；
Fig. 3 is the schematic flow sheet of the refinement step of the step 201 during the present invention first is implemented；
Fig. 4 is the schematic flow sheet of the refinement step of the step 203 during the present invention first is implemented；
A kind of schematic flow sheet of the method for raising hand-free call quality that Fig. 5 provides for second embodiment of the invention；
A kind of structural representation of the device for raising hand-free call quality that Fig. 6 provides for third embodiment of the invention；
Fig. 7 be third embodiment of the invention in monitoring modular 601 refinement structural representation；
Fig. 8 be third embodiment of the invention in the first attenuation module 603 refinement structural representation；
A kind of structural representation of the device for raising hand-free call quality that Fig. 9 provides for fourth embodiment of the invention.
Embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described reality
It is only a part of embodiment of the invention to apply example, and not all embodiments.Based on the embodiment in the present invention, people in the art
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 shows a kind of structured flowchart of mobile terminal.Raising hand-free call quality provided in an embodiment of the present invention
Method can be applied in mobile terminal 10 as shown in Figure 1, and mobile terminal 10 can be, but not limited to include：It need to be maintained by battery
Normal operation and support network and the smart mobile phone of download function, notebook, tablet personal computer, wearing smart machine etc..
As shown in figure 1, mobile terminal 10 includes memory 101, storage control 102, it is one or more (only to be shown in figure
One) processor 103, Peripheral Interface 104, radio-frequency module 105, key-press module 106, audio-frequency module 107 and Touch Screen
108.These components are mutually communicated by one or more communication bus/signal wire 109.
It is appreciated that the structure shown in Fig. 1 is only signal, it does not cause to limit to the structure of mobile terminal.It is mobile whole
End 10 may also include than shown in Fig. 1 more either less components or with the configuration different from shown in Fig. 1.Shown in Fig. 1
Each component can be realized using hardware, software or its combination.
The raising hand-free call matter that memory 101 can be used in storage software program and module, such as embodiment of the present invention
Corresponding programmed instruction/the module of method and device of amount, processor 103 is stored in the software journey in memory 101 by operation
Sequence and module, so as to perform various function application and data processing, that is, realize the side of above-mentioned raising hand-free call quality
Method and device.
Memory 101 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.In some instances, memory 101 can further comprise
The memory remotely located relative to processor 103, these remote memories can pass through network connection to mobile terminal 10.On
The example for stating network includes but is not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.Processor 103
And access of other possible components to memory 101 can be carried out under the control of storage control 102.
Various input/output devices are coupled to CPU and memory 101 by Peripheral Interface 104.The operation of processor 103 is deposited
Various softwares in reservoir 101, instruction are to perform the various functions of mobile terminal 10 and carry out data processing.
In certain embodiments, Peripheral Interface 104, processor 103 and storage control 102 can be in one single chips
Realize.In some other example, they can be realized by independent chip respectively.
Radio-frequency module 105 is used to receiving and sending electromagnetic wave, realizes the mutual conversion of electromagnetic wave and electric signal, so that with
Communication network or other equipment are communicated.Radio-frequency module 105 may include the various existing electricity for being used to perform these functions
Circuit component, for example, antenna, RF transceiver, digital signal processor, encryption/deciphering chip, subscriber identity module (SIM) card,
Memory etc..Radio-frequency module 105 can with various networks for example internet, intranet, preset type wireless network carry out
Communication or the wireless network by preset type are communicated with other equipment.The wireless network of above-mentioned preset type can be wrapped
Include cellular telephone networks, WLAN or Metropolitan Area Network (MAN).The wireless network of above-mentioned preset type can use various communications
Standard, agreement and technology, including but not limited to global system for mobile communications (Global System for Mobile
Communication, GSM), enhanced mobile communication technology (Enhanced Data GSM Environment, EDGE) is wide
Band CDMA (Wideband Code Division Multiple Access, W-CDMA), CDMA
(Code Division Access, CDMA), TDMA (Time Division Multiple Access, TDMA),
Bluetooth, adopting wireless fidelity technology (Wireless-Fidelity, WiFi) (such as American Institute of Electrical and Electronics Engineers's standard IEEE
802.11a, IEEE 802.11b, IEEE802.11g and/or IEEE 802.11n), the networking telephone (Voice over
Internet Protocal, VoIP), worldwide interoperability for microwave accesses (Worldwide Interoperability for
Microwave Access, Wi-Max), other are used for the agreement of mail, instant messaging and short message, and any other is suitable
Communications protocol.
Key-press module 106 provides the interface that is inputted to mobile terminal of user, user can by press it is different by
Key is so that mobile terminal 10 performs different functions.
Audio-frequency module 107 provides a user COBBAIF, and it may include one or more microphones, one or more raises
Sound device and voicefrequency circuit.Voicefrequency circuit receives voice data at Peripheral Interface 104, and voice data is converted into power information,
Power information is transmitted to loudspeaker.Power information is converted to the sound wave that human ear can be heard by loudspeaker.Voicefrequency circuit is also from microphone
Place receives power information, converts electrical signals to voice data, and by data transmission in network telephony into Peripheral Interface 104 to enter traveling one
The processing of step.Voice data can be obtained at memory 101 or by radio-frequency module 105.In addition, voice data can also
Store into memory 101 or be transmitted by radio-frequency module 105.In some instances, audio-frequency module 107 may also include
One earphone broadcasts hole, for providing COBBAIF to earphone or other equipment.
Touch Screen 108 provides an output and inputting interface simultaneously between mobile terminal and user.Specifically, touch-control
Screen 108 shows video frequency output to user, and the content of these video frequency outputs may include word, figure, video and its any group
Close.Some output results correspond to some user interface objects.Touch Screen 108 also receives the input of user, such as user
The gesture operation such as click, slip, so that user interface object is responded to the input of these users.Detect user's input
Technology can be based on resistance-type, condenser type or other any possible touch control detection technologies.The display unit of Touch Screen 108
Instantiation include but is not limited to liquid crystal display or light emitting polymer displays.
The method for describing to improve hand-free call quality in the embodiment of the present invention based on above-mentioned mobile terminal.
Because all sound in the prior art, collected to the microphone of opposite end caller carry out echo suppression processing
When, the voice signal of opposite end caller can be impacted, can also destroy opposite end to a certain extent while echo is eliminated leads to
The voice signal of words person, causes signal skew so that what local terminal caller heard is the interrupted sound of interim card, influences speech communication
The technical problem of quality.
In order to solve the above problems, the embodiment of the present invention proposes a kind of method for improving hand-free call quality, hand-free call
Under pattern, mobile terminal be in it is double say talking state when, by being identified back from the downlink voice signal in down channel
Audio frequency spectrum signature, and spectral decay processing is carried out to the sound belonging to the echo spectrum signature according to the first spectral decay parameter,
Make it possible to be suppressed for echo, and the voice signal of opposite end caller will not be destroyed also not result in signal skew,
So that what local terminal caller heard is coherent sound, speech communication quality is improved.
Referring to Fig. 2, a kind of flow of the method for the raising hand-free call quality provided for first embodiment of the invention is shown
It is intended to, this method includes：
Step 201, mobile terminal be in handsfree talk mode under, monitor call up channel and down channel, really
Determine talking state；
In embodiments of the present invention, the method for above-mentioned raising hand-free call quality by raising hand-free call quality dress
Put, the device is program module, is stored in the computer-readable recording medium of mobile terminal, can be by computing device.
It is in mobile terminal under handsfree talk mode, the up channel and down channel for monitoring call refer to monitoring one
The up channel and down channel of caller's call are held, the embodiment of the present invention monitors one end caller by taking the caller of one end as an example
The up channel and down channel of call, and signal is obtained respectively from up channel and down channel, the signal of acquisition is entered
Row analysis, determines talking state.
If step 202, the mobile terminal say talking state in double, parse from the descending of down channel acquisition
Voice signal, obtains the spectrum signature of each sound of separate sources；
In embodiments of the present invention, it is double to say that talking state represents that the up channel and down channel of local terminal caller call are same
When have signal transmission, when in it is double say talking state when, parse from down channel obtain downlink voice signal, wherein, it is above-mentioned
The downlink voice signal that down channel is obtained is that for local terminal caller, for opposite end caller, above-mentioned down channel is obtained
The downlink voice signal taken is the ascending voice signal of the up channel of opposite end caller in fact.
Wherein, each sound of separate sources, which can be that caller, TV, animal, machine etc. are various, to produce
The people of raw sound or thing or equipment, the spectrum signature of sound is the main physical parameter of sound, and the spectrum signature of sound can be used
Electro-kinetic instrument shows that the spectrum signature of each sound is differed, and difference can be determined by the spectrum signature of sound
Sound.
Step 203, echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay
Parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature.
In embodiments of the present invention, the first spectral decay parameter is the parameter pre-set, can be according to demands such as environment
Modify.For example, the first spectral decay parameter is 500 hertz, then the sound belonging to echo spectrum signature is carried out into frequency spectrum declines
Subtract processing, attenuation degree is 500 hertz.
In embodiments of the present invention, it is in mobile terminal under handsfree talk mode, monitors the up channel of call with
Row channel, determines talking state, if mobile terminal is in double downlink voices said talking state, parse from down channel acquisition
Signal, obtains the spectrum signature of each sound of separate sources, and echo spectrum signature is identified from the spectrum signature of each sound, and
Spectral decay processing is carried out to the sound belonging to echo spectrum signature according to the first spectral decay parameter.Relative to prior art,
Under handsfree talk mode, mobile terminal be in it is double say talking state when, by from the downlink voice signal in down channel
Echo spectrum signature is identified, and frequency spectrum is carried out to the sound belonging to the echo spectrum signature according to the first spectral decay parameter and is declined
Subtract processing, enabling suppressed for echo, and the voice signal of opposite end caller will not be destroyed and also do not result in letter
Number distortion so that what local terminal caller heard is coherent sound, improve speech communication quality.
Referring to Fig. 3, the schematic flow sheet of the refinement step for the step 201 in first embodiment of the invention, including：
Step 301, it is under handsfree talk mode in mobile terminal, monitors the up channel and the down channel,
Obtain ascending voice signal and downlink voice signal；
Step 302, talking state determined according to the ascending voice signal and the downlink voice signal.
In embodiments of the present invention, the voice amplitude of ascending voice signal and the voice amplitude of downlink voice signal are determined,
For local terminal caller, if the voice amplitude of ascending voice signal is more than preset threshold value, and the voice of downlink voice signal
Amplitude is more than preset threshold value, it is determined that talking state says talking state to be double, if the voice amplitude of ascending voice signal be less than or
Voice amplitude equal to preset threshold value, and downlink voice signal is more than preset threshold value, it is determined that talking state is singly to say call shape
State.For example, preset threshold value is 20, the voice amplitude of ascending voice signal is 30, and the voice amplitude of downlink voice signal is 32, on
The voice amplitude of row voice signal and the voice amplitude of downlink voice signal are both greater than preset threshold value, it is determined that talking state is double
Say talking state.If preset threshold value is 20, the voice amplitude of ascending voice signal is 10, and the voice amplitude of downlink voice signal is
30, the voice amplitude of ascending voice signal is less than 20, and the voice amplitude of downlink voice signal is more than 20, it is determined that talking state
Singly to say talking state.
Wherein, the voice amplitude of above-mentioned ascending voice signal and the voice amplitude of above-mentioned downlink voice signal are not limited to voice
Voice amplitude or the sound that sends of machine.
Wherein, preset threshold value can modify according to the actual requirements.
In embodiments of the present invention, by monitoring up channel and down channel, ascending voice signal and descending language are obtained
Message number, the voice amplitude of ascending voice signal and downlink voice signal is compared with preset threshold value respectively, can quickly,
Easily determine talking state.
Referring to Fig. 4, the schematic flow sheet of the refinement step for the step 203 in first embodiment of the invention, including：
In the preset spectrum signature storehouse of step 401, lookup, the spectrum signature for judging each sound, if exist and institute
State the spectrum signature of the spectrum signature matching in spectrum signature storehouse；
If step 402, the spectrum signature that there is matching, the echo frequency spectrum is defined as by the spectrum signature of the matching
Feature, and spectral decay processing is carried out to the sound belonging to the echo spectrum signature according to the first spectral decay parameter.
In embodiments of the present invention, spectrum signature storehouse is prefixed in mobile terminal, includes the frequency spectrum of one or more users
Feature, wherein, spectrum signature storehouse is preset in the mobile terminal of opposite end caller.For example, obtaining local terminal caller in advance
Voice signal, the spectrum signature of the voice signal is stored in the mobile terminal of opposite end caller, to be used as preset frequency spectrum
Feature database, using spectrum signature storehouse, identifies echo spectrum signature, and decline according to the first frequency spectrum from the spectrum signature of each sound
Subtract parameter and spectral decay processing is carried out to the sound belonging to the echo spectrum signature, enabling suppressed for echo, and
And the voice signal of opposite end caller will not be destroyed also do not result in signal skew so that what local terminal caller heard is coherent
Sound, improves speech communication quality.
Referring to Fig. 5, a kind of flow of the method for the raising hand-free call quality provided for second embodiment of the invention is shown
It is intended to, this method includes：
Step 501, mobile terminal be in handsfree talk mode under, monitor call up channel and down channel, really
Determine talking state；
If step 502, the mobile terminal say talking state in double, parse from the descending of down channel acquisition
Voice signal, obtains the spectrum signature of each sound of separate sources；
Step 503, echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay
Parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature；
It is understood that step 501 to step 503 is described with the step 201 in first embodiment to step 203 respectively
Content it is similar, specifically can refer to first embodiment, do not repeat herein.
If step 504, the mobile terminal are in and singly say talking state, parse and obtained down from the down channel
Row voice signal, obtains the spectrum signature of each sound of separate sources；
In embodiments of the present invention, by taking local terminal caller as an example, talking state represents this to singly saying in the embodiment of the present invention
The up channel of end caller's call does not have signal to transmit and have signal transmission in down channel, when in singly saying talking state
When, the downlink voice signal obtained from down channel is parsed, wherein, the downlink voice signal that above-mentioned down channel is obtained is to this
Hold for caller, for opposite end caller, the downlink voice signal that above-mentioned down channel is obtained is opposite end caller in fact
Up channel ascending voice signal.
Wherein, each sound of separate sources, which can be that caller, TV, animal, machine etc. are various, to produce
The people of raw sound or thing or equipment, the spectrum signature of sound is the main physical parameter of sound, and the spectrum signature of sound can be used
Electro-kinetic instrument shows that the spectrum signature of each sound is differed, and difference can be determined by the spectrum signature of sound
Sound.
Step 505, echo spectrum signature is identified from the spectrum signature of each sound, and according to the second spectral decay
Parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature, wherein, the second spectral decay parameter is big
In the first spectral decay parameter.
In embodiments of the present invention, it is double say talking state under, the downlink voice signal of down channel includes opposite end call
The voice signal of person, includes the echo of local terminal caller, and downlink voice signal is parsed, and obtains each sound of separate sources
Spectrum signature, the spectrum signature of the echo of local terminal caller has unavoidably with the spectrum signature of the voice signal of opposite end caller
Feature identical part, if also being entered using the spectral decay parameter singly said under talking state to the sound belonging to echo spectrum signature
Line frequency composes attenuation processing, then while echo is eliminated, can also destroy the voice signal of opposite end caller, cause signal skew.
In embodiments of the present invention, the second spectral decay parameter is the parameter pre-set, can be according to demands such as environment
Modify, also, the second spectral decay parameter is greater than the first spectral decay parameter.For example, the first spectral decay parameter is
500 hertz, then the sound belonging to echo spectrum signature is subjected to spectral decay processing, attenuation degree is 500 hertz, the second frequency spectrum
Attenuation parameter is 600 hertz, then the sound belonging to echo spectrum signature is carried out into spectral decay processing, and attenuation degree is 600 hertz
Hereby, the attenuation degree for carrying out spectral decay processing according to the second spectral decay parameter is better than to enter according to the first spectral decay parameter
Line frequency composes the attenuation degree of attenuation processing, can so ensure, in the case where singly saying talking state, attenuation degree is constant, i.e., echo is pressed down
Effect processed is constant, it is ensured that without echoing, it is double say talking state under, if knowing from the downlink voice signal in down channel
Do not go out echo spectrum signature, the attenuation parameter that reduction echo suppresses, according to the first spectral decay parameter to the echo spectrum signature
Affiliated sound carries out spectral decay processing, enabling is suppressed for echo, and will not destroy opposite end caller's
Voice signal does not result in signal skew yet so that what local terminal caller heard is coherent sound, improves speech communication quality.
Referring to Fig. 6, a kind of structure of the device of the raising hand-free call quality provided for third embodiment of the invention is shown
It is intended to, including：
Monitoring modular 601, for being in mobile terminal under handsfree talk mode, monitors the up channel and descending of call
Channel, determines talking state；
In embodiments of the present invention, the device of above-mentioned raising hand-free call quality is program module, is stored in mobile terminal
Computer-readable recording medium in, can be by computing device.
It is in mobile terminal under handsfree talk mode, the up channel and down channel of the monitoring call of monitoring modular 601
Refer to monitoring the up channel and down channel of one end caller call, the embodiment of the present invention is by taking the caller of one end as an example, prison
The up channel and down channel of one end caller call are surveyed, and signal is obtained respectively from up channel and down channel, it is right
The signal of acquisition is analyzed, and determines talking state.
First parsing module 602, if saying talking state in double for the mobile terminal, is parsed from the descending letter
The downlink voice signal that road is obtained, obtains the spectrum signature of each sound of separate sources；
In embodiments of the present invention, it is double to say that talking state represents that the up channel and down channel of local terminal caller call are same
When have signal transmission, when in it is double say talking state when, the first parsing module 602 parse from down channel obtain downlink voice
Signal, wherein, the downlink voice signal that above-mentioned down channel is obtained be for local terminal caller, for opposite end caller,
The downlink voice signal that above-mentioned down channel is obtained is the ascending voice signal of the up channel of opposite end caller in fact.
Wherein, each sound of separate sources, which can be that caller, TV, animal, machine etc. are various, to produce
The people of raw sound or thing or equipment, the spectrum signature of sound is the main physical parameter of sound, and the spectrum signature of sound can be used
Electro-kinetic instrument shows that the spectrum signature of each sound is differed, and difference can be determined by the spectrum signature of sound
Sound.
First attenuation module 603, for identifying echo spectrum signature from the spectrum signature of each sound, and according to
First spectral decay parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature.
In embodiments of the present invention, the first spectral decay parameter is the parameter pre-set, can be according to demands such as environment
Modify.For example, the first spectral decay parameter is 500 hertz, then the sound belonging to echo spectrum signature is carried out into frequency spectrum declines
Subtract processing, attenuation degree is 500 hertz.
In embodiments of the present invention, it is in mobile terminal under handsfree talk mode, it is upper that the monitoring of monitoring modular 601 is conversed
Row channel and down channel, determine talking state, if mobile terminal says talking state in double, the first parsing module 602 is then solved
The downlink voice signal obtained from down channel is analysed, the spectrum signature of each sound of separate sources, the first attenuation module 603 is obtained
Echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay parameter to echo spectrum signature institute
The sound of category carries out spectral decay processing.Relative to prior art, under handsfree talk mode, it is in mobile terminal and double says call
During state, by identifying echo spectrum signature from the downlink voice signal in down channel, and according to the first spectral decay
Parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature, enabling suppressed for echo, and
The voice signal that opposite end caller will not be destroyed does not result in signal skew yet so that what local terminal caller heard is coherent sound
Sound, improves speech communication quality.
Referring to Fig. 7, be the refinement structural representation of the monitoring modular 601 in third embodiment of the invention, including：
Monitoring unit 701, for being in mobile terminal under handsfree talk mode, under monitoring the up channel and being described
Row channel, obtains ascending voice signal and downlink voice signal；
First determining unit 702, for determining call shape according to the ascending voice signal and the downlink voice signal
State.
In embodiments of the present invention, the voice amplitude of ascending voice signal and the voice amplitude of downlink voice signal are determined,
If the voice amplitude of ascending voice signal is more than preset threshold value, and the voice amplitude of downlink voice signal is more than preset threshold value, then
Determine that talking state says talking state to be double, if the voice amplitude of ascending voice signal is less than or equal to preset threshold value, and it is descending
The voice amplitude of voice signal is more than preset threshold value, it is determined that talking state is singly to say talking state.For example, preset threshold value is
20, the voice amplitude of ascending voice signal is 30, and the voice amplitude of downlink voice signal is 32, the voice width of ascending voice signal
Value and the voice amplitude of downlink voice signal are both greater than preset threshold value, it is determined that talking state says talking state to be double.If preset
Threshold value is 20, and the voice amplitude of ascending voice signal is 10, and the voice amplitude of downlink voice signal is 30, ascending voice signal
Voice amplitude is less than 20, and the voice amplitude of downlink voice signal is more than 20, it is determined that talking state is singly to say talking state.
Wherein, the voice amplitude of above-mentioned ascending voice signal and the voice amplitude of above-mentioned downlink voice signal are not limited to voice
Voice amplitude or the sound that sends of machine.
Wherein, preset threshold value can modify according to the actual requirements.
In embodiments of the present invention, by monitoring up channel and down channel, ascending voice signal and descending language are obtained
Message number, the voice amplitude of ascending voice signal and downlink voice signal is compared with preset threshold value respectively, can quickly,
Easily determine talking state.
Referring to Fig. 8, be the refinement structural representation of the first attenuation module 603 in third embodiment of the invention, including：
In judging unit 801, the spectrum signature storehouse preset for searching, the spectrum signature for judging each sound, if
In the presence of the spectrum signature matched with the spectrum signature in the spectrum signature storehouse；
Second determining unit 802, if for there is the spectrum signature of matching, the spectrum signature of the matching is defined as
The echo spectrum signature, and the sound progress frequency spectrum belonging to the echo spectrum signature is declined according to the first spectral decay parameter
Subtract processing.
In embodiments of the present invention, spectrum signature storehouse is prefixed in mobile terminal, includes the frequency spectrum of one or more users
Feature, wherein, spectrum signature storehouse is preset in the mobile terminal of opposite end caller.For example, obtaining local terminal caller in advance
Voice signal, the spectrum signature of the voice signal is stored in the mobile terminal of opposite end caller, to be used as preset frequency spectrum
Feature database, using spectrum signature storehouse, identifies echo spectrum signature, and decline according to the first frequency spectrum from the spectrum signature of each sound
Subtract parameter and spectral decay processing is carried out to the sound belonging to the echo spectrum signature, enabling suppressed for echo, and
And the voice signal of opposite end caller will not be destroyed also do not result in signal skew so that what local terminal caller heard is coherent
Sound, improves speech communication quality.
Referring to Fig. 9, a kind of structure of the device of the raising hand-free call quality provided for fourth embodiment of the invention is shown
It is intended to, including：
Monitoring modular 601, for being in mobile terminal under handsfree talk mode, monitors the up channel and descending of call
Channel, determines talking state；
First parsing module 602, if saying talking state in double for the mobile terminal, is parsed from the descending letter
The downlink voice signal that road is obtained, obtains the spectrum signature of each sound of separate sources；
First attenuation module 603, for identifying echo spectrum signature from the spectrum signature of each sound, and according to
First spectral decay parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature；
It is understood that monitoring modular 601, the first parsing module 602 and the first decay mode in the embodiment of the present invention
In block 603 is described with the monitoring modular 601 in 3rd embodiment, the first parsing module 602 and the first attenuation module 603 respectively
Appearance is similar, can specifically refer to 3rd embodiment, not repeat herein.
Second parsing module 901, singly says talking state if being in for the mobile terminal, parses from the descending letter
The downlink voice signal obtained in road, obtains the spectrum signature of each sound of separate sources；
In embodiments of the present invention, by taking local terminal caller as an example, talking state represents this to singly saying in the embodiment of the present invention
The up channel of end caller's call does not have signal to transmit and have signal transmission in down channel, when in singly saying talking state
When, the second parsing module 901 parses the downlink voice signal obtained from down channel, wherein, under above-mentioned down channel is obtained
Row voice signal is the downlink voice signal obtained for opposite end caller, above-mentioned down channel for local terminal caller
It is the ascending voice signal of the up channel of opposite end caller in fact.
Wherein, each sound of separate sources, which can be that caller, TV, animal, machine etc. are various, to produce
The people of raw sound or thing or equipment, the spectrum signature of sound is the main physical parameter of sound, and the spectrum signature of sound can be used
Electro-kinetic instrument shows that the spectrum signature of each sound is differed, and difference can be determined by the spectrum signature of sound
Sound.
Second attenuation module 902, for identifying echo spectrum signature from the spectrum signature of each sound, and according to
Second spectral decay parameter carries out spectral decay processing to the sound belonging to the echo spectrum signature, wherein, second frequency
Compose attenuation parameter and be more than the first spectral decay parameter.
In embodiments of the present invention, it is double say talking state under, the downlink voice signal of down channel includes opposite end call
The voice signal of person, includes the echo of local terminal caller, and downlink voice signal is parsed, and obtains each sound of separate sources
Spectrum signature, the spectrum signature of the echo of local terminal caller has unavoidably with the spectrum signature of the voice signal of opposite end caller
Feature identical part, if also being entered using the spectral decay parameter singly said under talking state to the sound belonging to echo spectrum signature
Line frequency composes attenuation processing, then while echo is eliminated, can also destroy the voice signal of opposite end caller, cause signal skew.
In embodiments of the present invention, the second spectral decay parameter is the parameter pre-set, can be according to demands such as environment
Modify, also, the second spectral decay parameter is greater than the first spectral decay parameter.For example, double say that the first frequency spectrum of call declines
Subtract parameter for 500 hertz, then the sound belonging to echo spectrum signature be subjected to spectral decay processing, attenuation degree is 500 hertz,
Second spectral decay parameter is 600 hertz, then the sound belonging to echo spectrum signature is carried out into spectral decay processing, attenuation degree
For 600 hertz, the attenuation degree for carrying out spectral decay processing according to the second spectral decay parameter is better than to decline according to the first frequency spectrum
Subtract the attenuation degree that parameter carries out spectral decay processing, can so ensure, in the case where singly saying talking state, attenuation degree is constant,
That is echo inhibition is constant, it is ensured that without echoing, it is double say talking state under, if from the downlink voice in down channel
Echo spectrum signature, the attenuation parameter that reduction echo suppresses, according to the first spectral decay parameter to the echo are identified in signal
Sound belonging to spectrum signature carries out spectral decay processing, enabling is suppressed for echo, and will not destroy opposite end
The voice signal of caller does not result in signal skew yet so that what local terminal caller heard is coherent sound, improves voice
Communication quality.
The embodiment of the present invention also provides a kind of mobile terminal, including memory, processor and stores on a memory and can
The computer program run on a processor, during computing device computer program, realizes first embodiment to second embodiment
In raising hand-free call quality in any one embodiment method in each step.
The embodiment of the present invention also provides a kind of storage medium, and the storage medium is specifically as follows computer-readable storage medium
Matter, is stored thereon with computer program, when computer program is executed by processor, and realizes first embodiment into second embodiment
Each step in the method for raising hand-free call quality in any one embodiment.
, can be by it in several embodiments provided herein, it should be understood that disclosed apparatus and method
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the module, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical of device or module by some interfaces
Letter connection, can be electrical, machinery or other forms.
The module illustrated as separating component can be or may not be it is physically separate, it is aobvious as module
The part shown can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional module in each embodiment of the invention can be integrated in a processing module, can also
That modules are individually physically present, can also two or more modules be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
If the integrated module is realized using in the form of software function module and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for foregoing each method embodiment, for simplicity description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module might not all be this hairs
Necessary to bright.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
It is to a kind of method, device, mobile terminal and storage for improving hand-free call quality provided by the present invention above
The description of medium, for those skilled in the art, according to the thought of the embodiment of the present invention, in embodiment and applies model
Place and will change, to sum up, this specification content should not be construed as limiting the invention.
Claims (12)
1. a kind of method for improving hand-free call quality, it is characterised in that methods described includes：
It is in mobile terminal under handsfree talk mode, monitors the up channel and down channel of call, determine talking state；
If the mobile terminal is in double downlink voice signals said talking state, parse from down channel acquisition, obtain
To the spectrum signature of each sound of separate sources；
Echo spectrum signature is identified from the spectrum signature of each sound, and according to the first spectral decay parameter to described time
Sound belonging to audio frequency spectrum signature carries out spectral decay processing.
2. according to the method described in claim 1, it is characterised in that the up channel and down channel of the monitoring call, really
Determine talking state, including：
The up channel and the down channel are monitored, ascending voice signal and downlink voice signal is obtained；
Talking state is determined according to the ascending voice signal and the downlink voice signal.
3. method according to claim 2, it is characterised in that described according to the ascending voice signal and the descending language
Message number determines talking state, including：
Determine the voice amplitude of the ascending voice signal and the voice amplitude of the downlink voice signal；
If the voice amplitude of the ascending voice signal is more than preset threshold value, and the voice amplitude of the downlink voice signal is more than
The preset threshold value, it is determined that the talking state says talking state for described pair；
If the voice amplitude of the ascending voice signal is less than or equal to the preset threshold value, and the language of the downlink voice signal
Sound amplitude is more than the preset threshold value, it is determined that the talking state is singly to say talking state.
4. according to according to the method described in claim 1, it is characterised in that described to be recognized from the spectrum signature of each sound
Go out echo spectrum signature, including：
Search in preset spectrum signature storehouse, the spectrum signature for judging each sound, if exist and the spectrum signature storehouse
In spectrum signature matching spectrum signature；
If there is the spectrum signature of matching, the spectrum signature of the matching is defined as the echo spectrum signature.
5. according to the method according to Claims 1-4 any one, it is characterised in that methods described also includes：
If the mobile terminal is in and singly says talking state, the downlink voice signal obtained from the down channel is parsed,
Obtain the spectrum signature of each sound of separate sources；
Echo spectrum signature is identified from the spectrum signature of each sound, and according to the second spectral decay parameter to described time
Sound belonging to audio frequency spectrum signature carries out spectral decay processing, wherein, the second spectral decay parameter is more than the described first frequency
Compose attenuation parameter.
6. a kind of device for improving hand-free call quality, it is characterised in that described device includes：
Monitoring modular, for being in mobile terminal under handsfree talk mode, monitors the up channel and down channel of call, really
Determine talking state；
First parsing module, if saying talking state in double for the mobile terminal, parses and is obtained from the down channel
Downlink voice signal, obtain the spectrum signature of each sound of separate sources；
First attenuation module, for identifying echo spectrum signature from the spectrum signature of each sound, and according to the first frequency
Compose attenuation parameter and spectral decay processing is carried out to the sound belonging to the echo spectrum signature.
7. device according to claim 6, it is characterised in that the monitoring modular includes：
Monitoring unit, for monitoring the up channel and the down channel, obtains ascending voice signal and downlink voice letter
Number；
First determining unit, for determining talking state according to the ascending voice signal and the downlink voice signal.
8. device according to claim 7, it is characterised in that first determining unit includes：
First determination subelement, for determining the voice amplitude of the ascending voice signal and the voice of the downlink voice signal
Amplitude；
Second determination subelement, if the voice amplitude for the ascending voice signal is more than preset threshold value, and the descending language
The voice amplitude of message number is more than the preset threshold value, it is determined that the talking state says talking state for described pair；
3rd determination subelement, if the voice amplitude for the ascending voice signal is less than or equal to the preset threshold value, and
The voice amplitude of the downlink voice signal is more than the preset threshold value, it is determined that the talking state is singly to say talking state.
9. according to device according to claim 6, it is characterised in that first attenuation module includes：
In judging unit, the spectrum signature storehouse preset for searching, the spectrum signature for judging each sound, if exist and institute
State the spectrum signature of the spectrum signature matching in spectrum signature storehouse；
Second determining unit, if for there is the spectrum signature of matching, the spectrum signature of the matching is defined as into described return
Audio frequency spectrum signature.
10. according to the device according to claim 6 to 9 any one, it is characterised in that described device also includes：
Second parsing module, singly says talking state if being in for the mobile terminal, parses and obtained from the down channel
The downlink voice signal taken, obtains the spectrum signature of each sound of separate sources；
Second attenuation module, for identifying echo spectrum signature from the spectrum signature of each sound, and according to the second frequency
Compose attenuation parameter and spectral decay processing is carried out to the sound belonging to the echo spectrum signature, wherein, second spectral decay
Parameter is more than the first spectral decay parameter.
11. a kind of mobile terminal, including：Memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, it is characterised in that described in the computing device during computer program, realizes claim 1 to 5 any one institute
Each step in the method for the raising hand-free call quality stated.
12. a kind of storage medium, the storage medium is computer-readable recording medium, computer program is stored thereon with, its
It is characterised by, when the computer program is executed by processor, realizes that the raising described in claim 1 to 5 any one is hands-free
Each step in the method for speech quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622699.9A CN107172313A (en) | 2017-07-27 | 2017-07-27 | Improve method, device, mobile terminal and the storage medium of hand-free call quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622699.9A CN107172313A (en) | 2017-07-27 | 2017-07-27 | Improve method, device, mobile terminal and the storage medium of hand-free call quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107172313A true CN107172313A (en) | 2017-09-15 |
Family
ID=59817664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710622699.9A Pending CN107172313A (en) | 2017-07-27 | 2017-07-27 | Improve method, device, mobile terminal and the storage medium of hand-free call quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107172313A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785027A (en) * | 2017-10-31 | 2018-03-09 | 维沃移动通信有限公司 | A kind of audio-frequency processing method and electronic equipment |
| CN107819964A (en) * | 2017-11-10 | 2018-03-20 | 广东欧珀移动通信有限公司 | Improve method, apparatus, terminal and the computer-readable recording medium of speech quality |
| CN108540680A (en) * | 2018-02-02 | 2018-09-14 | 广州视源电子科技股份有限公司 | Switching method and device of speaking state and conversation system |
| CN109087661A (en) * | 2018-10-23 | 2018-12-25 | 南昌努比亚技术有限公司 | Method of speech processing, device, system and readable storage medium storing program for executing |
| CN110310653A (en) * | 2019-07-09 | 2019-10-08 | 杭州国芯科技股份有限公司 | A kind of echo cancel method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187271A (en) * | 1995-06-08 | 1998-07-08 | 诺基亚电信公司 | Acoustic echo elimination in a digital mobile communications system |
| CN103402038A (en) * | 2013-07-23 | 2013-11-20 | 广东欧珀移动通信有限公司 | Method and device for eliminating echo of receiver from opposite side in handfree state of mobile phone |
| US9185506B1 (en) * | 2013-12-16 | 2015-11-10 | Amazon Technologies, Inc. | Comfort noise generation based on noise estimation |
| CN105915738A (en) * | 2016-05-30 | 2016-08-31 | 宇龙计算机通信科技(深圳)有限公司 | Echo cancellation method, echo cancellation device and terminal |
| CN106849976A (en) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | Echo cancel method and communication terminal during a kind of hand-free call |
-
2017
- 2017-07-27 CN CN201710622699.9A patent/CN107172313A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187271A (en) * | 1995-06-08 | 1998-07-08 | 诺基亚电信公司 | Acoustic echo elimination in a digital mobile communications system |
| CN103402038A (en) * | 2013-07-23 | 2013-11-20 | 广东欧珀移动通信有限公司 | Method and device for eliminating echo of receiver from opposite side in handfree state of mobile phone |
| US9185506B1 (en) * | 2013-12-16 | 2015-11-10 | Amazon Technologies, Inc. | Comfort noise generation based on noise estimation |
| CN105915738A (en) * | 2016-05-30 | 2016-08-31 | 宇龙计算机通信科技(深圳)有限公司 | Echo cancellation method, echo cancellation device and terminal |
| CN106849976A (en) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | Echo cancel method and communication terminal during a kind of hand-free call |
Non-Patent Citations (1)
| Title |
|---|
| 陈迪，黄勃，徐菊红: "《数字影视节目制作综合实验指南[M]》", 31 August 2013 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785027A (en) * | 2017-10-31 | 2018-03-09 | 维沃移动通信有限公司 | A kind of audio-frequency processing method and electronic equipment |
| CN107785027B (en) * | 2017-10-31 | 2020-02-14 | 维沃移动通信有限公司 | Audio processing method and electronic equipment |
| CN107819964A (en) * | 2017-11-10 | 2018-03-20 | 广东欧珀移动通信有限公司 | Improve method, apparatus, terminal and the computer-readable recording medium of speech quality |
| CN108540680A (en) * | 2018-02-02 | 2018-09-14 | 广州视源电子科技股份有限公司 | Switching method and device of speaking state and conversation system |
| CN109087661A (en) * | 2018-10-23 | 2018-12-25 | 南昌努比亚技术有限公司 | Method of speech processing, device, system and readable storage medium storing program for executing |
| CN110310653A (en) * | 2019-07-09 | 2019-10-08 | 杭州国芯科技股份有限公司 | A kind of echo cancel method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107172256A (en) | Earphone call self-adapting regulation method, device, mobile terminal and storage medium | |
| CN107172313A (en) | Improve method, device, mobile terminal and the storage medium of hand-free call quality | |
| CN107172255A (en) | Voice signal self-adapting regulation method, device, mobile terminal and storage medium | |
| CN107786709A (en) | Call noise-reduction method, device, terminal device and computer-readable recording medium | |
| CN109151211B (en) | Voice processing method and device and electronic equipment | |
| CN108156291A (en) | Speech signal collection method, apparatus, electronic equipment and readable storage medium storing program for executing | |
| CN107872555A (en) | Call recording method, device, terminal device and computer-readable recording medium | |
| CN107395883A (en) | Voice signal adjusting method, communication terminal and computer-readable recording medium | |
| CN106657528A (en) | Incoming call management method and device | |
| CN107360332A (en) | Talking state display methods, device, mobile terminal and storage medium | |
| CN106488413A (en) | Notification message based reminding method and mobile terminal | |
| CN106033337A (en) | Instant-messaging emoticon generating method and device | |
| CN107948055A (en) | Shielding group members send out the method, apparatus and computer-readable recording medium of message | |
| CN107371221A (en) | Select method, apparatus, mobile terminal and the readable storage medium storing program for executing of network | |
| CN106331258A (en) | Call methods, call apparatus and call system | |
| CN107466033A (en) | IMS register method, device, mobile terminal and storage medium | |
| CN107608720A (en) | Using the display methods of footmark, device, mobile terminal and storage medium | |
| CN105744609B (en) | Improve the method and device of mobile terminal power consumption | |
| CN107682553B (en) | Call signal sending method and device, mobile terminal and storage medium | |
| CN105872980B (en) | A kind of method and device scanning wireless network signal | |
| CN105930084A (en) | Screenshot picture editing method and apparatus | |
| CN107425568A (en) | Prevent battery from crossing the method, apparatus put, mobile terminal and storage medium | |
| CN106294707A (en) | A kind of countdown information output intent and device | |
| CN108363628A (en) | Message treatment method, device, terminal and computer readable storage medium | |
| CN106713171A (en) | Server and delay-queue-based current-limiting protection system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |