CN103716446B - A kind of method and device improving mobile terminal call tonequality - Google Patents
A kind of method and device improving mobile terminal call tonequality Download PDFInfo
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- CN103716446B CN103716446B CN201210379489.9A CN201210379489A CN103716446B CN 103716446 B CN103716446 B CN 103716446B CN 201210379489 A CN201210379489 A CN 201210379489A CN 103716446 B CN103716446 B CN 103716446B
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- radio reception
- reception region
- mobile terminal
- call
- face
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Abstract
The invention discloses a kind of method and device improving mobile terminal call tonequality, including: obtain the mouth positional information of the user utilizing mobile terminal to carry out conversing；According to described mouth positional information, obtain diamylose gram or the radio reception region of many Mikes；Judge the acquiescence radio reception region whether described radio reception region pre-sets beyond described mobile terminal, if it is, described radio reception region to be adjusted to the radio reception region of call；If it is not, then using described acquiescence radio reception region as the radio reception region of call.The present invention is by checking the position of mouth, and then adjusts the radio reception region of Mike, improves the speech quality of mobile terminal, and can avoid the outer descending sound field put, it is possible to improves the echo cancellor of hand-free call.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of mobile terminal call tonequality of improving
Method and device.
Background technology
Along with mobile terminal product consumption increases, especially intelligent machine and the fast development of panel computer, no matter
Be use mobile network or WiFi(Wireless Fidelity, Wireless Fidelity) network, user can be at any time
Use terminal everywhere is conversed with other people.User is more and more higher to the requirement of its call tone quality simultaneously.
In order to meet user's needs of normal talking in the environment of noisy, diamylose gram has had changed into terminal and has set
Standby standard configuration.It is all to use steady statue noise to estimate mode, only that the terminal unit of single Mike eliminates at noise
Stable noise (such as sound of the wind) can there be is preferably suppression, but the terminal of diamylose gram have employed space filter
The mode of ripple, can concentrate on sound collecting some region, so can reduce noise to greatest extent
And echo.
The most this regionality, result in the position that diamylose gram noise reduction schemes requirement mouth speaks very strict,
Technology can be only applied to hand-held call mode, and corresponding application scenarios is the most hands-free and three-section earphone leads to
Words (three-section earphone itself does not has Mike's equipment, and call can only use the intrinsic Mike of terminal to receive sound)
Effect is the most excessively poor.Especially current WiFi function is at the application of intelligent terminal, VOIP(Voice on
Internet Protocol) technology widely used, this hands-free and three-section earphone call increasingly application is wide
General, but relevant technology is not improved, and becomes bottleneck.
Summary of the invention
The technical problem to be solved in the present invention is a kind of method and device improving mobile terminal call tonequality, uses
To solve the problem that the speech quality that in prior art, mouth position change brings declines.
For solving above-mentioned technical problem, on the one hand, the present invention provides a kind of mobile terminal call tonequality of improving
Method, including:
Obtain the mouth positional information of the user utilizing mobile terminal to carry out conversing；
According to described mouth positional information, obtain diamylose gram or the radio reception region of many Mikes；
Judge the acquiescence radio reception region whether described radio reception region pre-sets beyond described mobile terminal, as
Fruit is that described radio reception region is then adjusted to the radio reception region of call；If it is not, then with described acquiescence radio reception
Region is as the radio reception region of call.
Further, face location information described in the camera collection of described mobile terminal is utilized, according to described people
Face positional information, obtains described mouth positional information.
Further, when described camera collection be individual face location information time, it is judged that individual face described
It is whether to preset the face followed the trail of in the terminal, if it is, according to people corresponding to individual face described
Mouth positional information, obtains diamylose gram or the radio reception region of many Mikes；If it is not, then the institute that single Mike is collected
There is the radio reception region as call, the radio reception region.
Further, when described camera collection be multiple face location information time, then by entirety radio reception region
It is adjusted to the radio reception region of call, or all radio reception regions single Mike collected are as the radio reception region of call；
Wherein, described overall radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
Further, described mouth positional information includes that mouth is relative to the direction of mobile terminal and distance.
On the other hand, the present invention also provides for a kind of device improving mobile terminal call tonequality, including:
Mouth location information acquiring unit, for obtaining the mouth position of the user utilizing mobile terminal to carry out conversing
Confidence ceases；
Radio reception area acquisition unit, for according to described mouth positional information, acquisition diamylose gram or many Mikes
Radio reception region；
Processing unit, for judging that whether described radio reception region is beyond writing from memory that described mobile terminal pre-sets
Acknowledge receipt of sound region, if it is, described radio reception region to be adjusted to the radio reception region of call；If it is not, then
Using described acquiescence radio reception region as the radio reception region of call.
Further, described mouth location information acquiring unit utilizes described in the camera collection of described mobile terminal
Face location information, according to described face location information, obtains described mouth positional information.
Further, when described camera collection be individual face location information time, it is judged that individual face described
It is whether to preset the face followed the trail of in the terminal, if it is, according to people corresponding to individual face described
Mouth positional information, obtains diamylose gram or the radio reception region of many Mikes；If it is not, then the institute that single Mike is collected
There is the radio reception region as call, the radio reception region.
Further, when described camera collection be multiple face location information time, then by entirety radio reception region
It is adjusted to the radio reception region of call, or all radio reception regions single Mike collected are as the radio reception region of call；
Wherein, described overall radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
Further, described mouth positional information includes that mouth is relative to the direction of mobile terminal and distance.
The present invention has the beneficial effect that:
The present invention is by checking the position of mouth, and then adjusts the radio reception region of Mike, improves mobile terminal
Speech quality, and the outer descending sound field put can be avoided, it is possible to the echo improving hand-free call disappears
Remove.
Accompanying drawing explanation
Fig. 1 is the effect signal that mobile terminal in the embodiment of the present invention (mobile phone) diamylose gram adjusts radio reception region
Figure；
Fig. 2 is the flow chart of a kind of method improving mobile terminal call tonequality in the embodiment of the present invention；
Fig. 3 is the structural representation of a kind of device improving mobile terminal call tonequality in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that this
Specific embodiment described by place, only in order to explain the present invention, does not limit the present invention.
As it is shown in figure 1, in this area, mobile terminal (such as mobile phone) utilizes radio reception Mike and noise reduction Mike
When conversing, by changing noise reduction parameters, utilize different noise reduction algorithms just can realize radio reception region
Adjustment, such as, be adjusted to radio reception region B from radio reception region A.Therefore, the present invention utilizes this principle,
By following the trail of the mouth position of caller, adjust radio reception region in real time, and then improve call tone quality.
As in figure 2 it is shown, the present embodiments relate to a kind of method improving mobile terminal call tonequality, including:
Step S101, obtains the mouth positional information of the user utilizing mobile terminal to carry out conversing；
In this step, it is possible to use the face location information of the camera collection caller of mobile terminal, utilize
Face recognition technology identifies the position of mouth, and mouth is carried out real-time tracking.Face recognition technology is in intelligence
Can have been obtained for being widely applied on mobile terminal, such as Android (android) system be at 4.0 editions
This function it is integrated with on Ben.In practical operation, can but be not limited to simply use mobile terminal front end
Photographic head, if mobile terminal has rear-end camera, it is also possible to opens and uses, and so detects region
Angle just can expand to 360 degree from 180 degree.But rear-end camera pixel is the highest, utilizes rear end to take the photograph
As head, be acquired can more power consumption.
Alternatively, it is also possible to by the mouth positional information of other technical limit spacing caller, such as, utilize voice
Caller is identified by identification technology, and the mouth of caller is relative to movement to utilize acoustic ranging technology to determine
The azimuth-range of terminal.The present invention mainly needs the mouth the obtaining caller side relative to mobile terminal
Position and distance, be then not required to limit as the means obtained and mode.
Step S102, according to described mouth positional information, obtains diamylose gram or the radio reception region of many Mikes；
In this step, it is simply that according to obtaining the mouth of caller relative to the azimuth-range of mobile terminal, profit
With various different noise reduction algorithms, calculate the radio reception region of mobile terminal.At present, diamylose gram is utilized to drop
The mobile terminal made an uproar is a lot, and various noise reduction algorithms are the most different, and the present invention does not limit concrete noise reduction algorithm,
For various noise reduction algorithms, as long as utilizing the mouth positional information of caller, it may be determined that the radio reception district made new advances
Territory, is just suitable for the present invention.
It addition, some mobile terminals occur in that and utilize many Mikes (such as three Mikes) to determine radio reception district at present
Territory, radio reception effect is more preferable, and mobile terminal utilizes three Mikes to receive more accurately from three-dimensional angle-determining one
Sound region, but at present, do not have mobile terminal that radio reception region is adjusted, and therefore, the present invention is in its profit
On the basis of carrying out noise reduction with three Mikes, by following the trail of the position of caller's mouth, adjust radio reception region,
And then raising call tone quality.
Radio reception region in the present embodiment refers to that mobile terminal passes through noise reduction and calculates the collection caller's language determined
The region of message breath, can be the region determined by diamylose gram noise reduction algorithm, it is also possible to be single Mike or many
The region that Mike determines.
Step S103, it is judged that the acquiescence receipts whether described radio reception region pre-sets beyond described mobile terminal
Sound region, if it is, be adjusted to the radio reception region of call by described radio reception region；If it is not, then with institute
State the radio reception region as call, the acquiescence radio reception region.
Mobile terminal is both provided with the radio reception region of acquiescence when dispatching from the factory, and acquiescence radio reception region is according to positive reason
Under condition, most call face present positions are set, and acquiescence radio reception region sets and needs early stage audio frequency to debug
Personnel are determined by a large amount of tests or emulation.It addition, after radio reception region adjusts, the radio reception after adjustment
Region is exactly as the acquiescence radio reception region carrying out the adjustment of radio reception region next time, this way it is secured that even
Continuous real-time adjustment radio reception region；It is of course also possible to every time with the radio reception district determined according to caller's mouth
Territory compares with the radio reception region of acquiescence when dispatching from the factory.
When mobile terminal judges, it can be determined that the radio reception region determined according to caller's mouth exceeds acquiescence radio reception
Whether the scope in region has exceeded differentiation in different regions threshold value set in advance, if it is, carry out radio reception region
Adjust, if it is not, then the radio reception region keeping existing radio reception region to be call.
It addition, in step S101, camera collection be probably individual face location information, this kind of situation
Time, mobile terminal can follow the trail of any one the face in pickup area, directly according to step S102,
S103 process；Recognition of face can also be carried out, distinguish and whether follow the trail of a fixing face and (such as move
The face of dynamic terminal owner)；It is to follow the trail of a fixing face when pre-setting, and pre-sets and to chase after
The face information of track, then judge whether individual face of camera collection is to preset to follow the trail of in the terminal
Face, if it is, according to mouth positional information corresponding to individual face of camera collection, obtain diamylose
Gram or the radio reception region of many Mikes；If it is not, then all radio reception regions single Mike collected are as call
Radio reception region.
In step S101, camera collection be also likely to be multiple face location information, during this kind of situation,
Should be adjusted in radio reception region is more broader, is all comprised in radio reception region corresponding for all of mouth as far as possible
Including, worst effect is to use single Mike to carry out adopting sound, it may be assumed that then entirety radio reception region is adjusted to call
Radio reception region, or all radio reception regions single Mike collected are as the radio reception region of call；Wherein, whole
Body radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
In step S101, it is also possible to the face translational speed of detection caller, when the face of caller moves
When speed exceedes threshold speed set in advance, will be unable to gather the mouth positional information of caller, or cannot
Completing the adjustment operation in radio reception region, at this moment, can be adjusted in radio reception region is more extensive, such as, and will
The maximum radio reception region that mobile terminal is supported is as the radio reception region of call, or uses single Mike to carry out noise reduction,
The all radio reception regions single Mike collected are as the radio reception region of call.Face translational speed as caller
When being not above (including this threshold value) threshold speed set in advance, then enter according to step S102, S103
Row processes.
It addition, as it is shown on figure 3, the invention still further relates to a kind of raising mobile terminal call realizing said method
The device of tonequality, including:
Mouth location information acquiring unit 201, for obtaining the people utilizing mobile terminal to carry out the user conversed
Mouth positional information；
Radio reception area acquisition unit 202, for according to mouth positional information, acquisition diamylose gram or many Mikes
Radio reception region；
Processing unit 203, for judging the acquiescence receipts whether radio reception region pre-sets beyond mobile terminal
Sound region, if it is, be adjusted to the radio reception region of call by radio reception region；If it is not, then to give tacit consent to receipts
Sound region is as the radio reception region of call.
Mouth location information acquiring unit 201 utilizes the camera collection face location information of mobile terminal, root
According to face location information, obtaining mouth positional information, wherein, mouth positional information includes that mouth is relative to shifting
The direction of dynamic terminal and distance.
When camera collection be individual face location information time, whether processing unit 203 judges individual face
For presetting the face followed the trail of in the terminal, if it is, believe according to the mouth position that individual face is corresponding
Breath, obtains diamylose gram or the radio reception region of many Mikes；If it is not, then all radio reception districts that single Mike is collected
Territory is as the radio reception region of call.
When camera collection be multiple face location information time, processing unit 203 by entirety radio reception region adjust
The whole radio reception region for call, or all radio reception regions single Mike collected are as the radio reception region of call；
Wherein, overall radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
The embodiment of the present invention is the processing mode spoken of being behaved by terminal simulation, diamylose gram is simulated ears, takes the photograph
As connector analog eyes, " will listen " and " seeing " will combine, and judge effective source of sound by " seeing " and make an uproar
The position of sound source, adjusts the parameter of " listening " in real time, thus can effectively improve audio frequency tonequality.Tool
Body realize utilize exactly current intelligent machine or panel computer per se with equipment (diamylose gram and photographic head),
In conjunction with face recognition technology (the most most intelligent platforms are all to support that recognition of face is the most yes), according to people
Face identifies the mouth change in location situation relative to mobile terminal, arranges the district of new diamylose gram capture sound
Territory, thus the tonequality that warrantor is in communication process.Hands-free and three-section earphone are conversed (three sections by the present invention
Formula earphone itself does not has Mike's equipment, and call can only use the intrinsic Mike of terminal to receive sound) audio all
There is bigger lifting.As can be seen here, the present invention is by checking the position of mouth, and then adjusts the radio reception of Mike
Region, improves the speech quality of mobile terminal, and can avoid the outer descending sound field put, it is possible to
Improve the echo cancellor of hand-free call.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will
It is also possible for recognizing various improvement, increasing and replace, therefore, on the scope of the present invention should be not limited to
State embodiment.
Claims (10)
1. the method improving mobile terminal call tonequality, it is characterised in that including:
Detect the face translational speed of the user utilizing mobile terminal to carry out conversing, and judge the size of described face translational speed and pre-set velocity threshold value；
When described face translational speed is less than or equal to pre-set velocity threshold value, then obtain the mouth positional information of the user utilizing mobile terminal to carry out conversing；
According to described mouth positional information, obtain diamylose gram or the radio reception region of many Mikes；
Judge the acquiescence radio reception region whether described radio reception region pre-sets beyond described mobile terminal, if it is, described radio reception region to be adjusted to the radio reception region of call；If it is not, then using described acquiescence radio reception region as the radio reception region of call；
When described face translational speed is more than pre-set velocity threshold value, then judge to obtain described mouth positional information, and the maximum radio reception region supported by described mobile terminal is as the radio reception region of call, or all radio reception regions single Mike collected are as the radio reception region of call.
2. the method improving mobile terminal call tonequality as claimed in claim 1, it is characterised in that utilize the camera collection face location information of described mobile terminal, according to described face location information, obtain described mouth positional information.
3. the method improving mobile terminal call tonequality as claimed in claim 2, it is characterized in that, when described camera collection be individual face location information time, judge whether individual face described is to preset the face followed the trail of in the terminal, if, then according to the mouth positional information that individual face described is corresponding, obtain diamylose gram or the radio reception region of many Mikes；If it is not, then all radio reception regions single Mike collected are as the radio reception region of call.
4. the method improving mobile terminal call tonequality as claimed in claim 2, it is characterized in that, when described camera collection be multiple face location information time, then overall radio reception region is adjusted to the radio reception region of call, or all radio reception regions single Mike collected is as the radio reception region of call；Wherein, described overall radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
5. the method improving mobile terminal call tonequality as described in any one of Claims 1 to 4, it is characterised in that
Described mouth positional information includes that mouth is relative to the direction of mobile terminal and distance.
6. the device improving mobile terminal call tonequality, it is characterised in that including:
Face translational speed detector unit, for detecting the face translational speed of the user utilizing mobile terminal to carry out conversing, and judges the size of described face translational speed and pre-set velocity threshold value；
Mouth location information acquiring unit, for when described face translational speed is less than or equal to pre-set velocity threshold value, then obtaining the mouth positional information of the user utilizing mobile terminal to carry out conversing；
Radio reception area acquisition unit, for according to described mouth positional information, obtains diamylose gram or the radio reception region of many Mikes；
Processing unit, for judging the acquiescence radio reception region whether described radio reception region pre-sets beyond described mobile terminal, if it is, described radio reception region is adjusted to the radio reception region of call；If it is not, then using described acquiescence radio reception region as the radio reception region of call；When described face translational speed is more than pre-set velocity threshold value, then judge to obtain described mouth positional information, and the maximum radio reception region supported by described mobile terminal is as the radio reception region of call, or all radio reception regions single Mike collected are as the radio reception region of call.
7. the device improving mobile terminal call tonequality as claimed in claim 6, it is characterized in that, described mouth location information acquiring unit utilizes the camera collection face location information of described mobile terminal, according to described face location information, obtains described mouth positional information.
8. the device improving mobile terminal call tonequality as claimed in claim 7, it is characterized in that, when described camera collection be individual face location information time, judge whether individual face described is to preset the face followed the trail of in the terminal, if, then according to the mouth positional information that individual face described is corresponding, obtain diamylose gram or the radio reception region of many Mikes；If it is not, then all radio reception regions single Mike collected are as the radio reception region of call.
9. the device improving mobile terminal call tonequality as claimed in claim 7, it is characterized in that, when described camera collection be multiple face location information time, then overall radio reception region is adjusted to the radio reception region of call, or all radio reception regions single Mike collected is as the radio reception region of call；Wherein, described overall radio reception region includes the radio reception region that each mouth positional information in multiple faces is corresponding.
10. the device improving mobile terminal call tonequality as described in any one of claim 6～9, it is characterised in that described mouth positional information includes that mouth is relative to the direction of mobile terminal and distance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379489.9A CN103716446B (en) | 2012-10-09 | 2012-10-09 | A kind of method and device improving mobile terminal call tonequality |
| PCT/CN2013/077711 WO2013170802A1 (en) | 2012-10-09 | 2013-06-21 | Method and device for improving call voice quality of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379489.9A CN103716446B (en) | 2012-10-09 | 2012-10-09 | A kind of method and device improving mobile terminal call tonequality |
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| Publication Number | Publication Date |
|---|---|
| CN103716446A CN103716446A (en) | 2014-04-09 |
| CN103716446B true CN103716446B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210379489.9A Active CN103716446B (en) | 2012-10-09 | 2012-10-09 | A kind of method and device improving mobile terminal call tonequality |
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| CN (1) | CN103716446B (en) |
| WO (1) | WO2013170802A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052886B (en) * | 2014-06-27 | 2018-02-27 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104410778A (en) * | 2014-10-09 | 2015-03-11 | 深圳市金立通信设备有限公司 | Terminal |
| CN104320729A (en) * | 2014-10-09 | 2015-01-28 | 深圳市金立通信设备有限公司 | Pickup method |
| CN106302974B (en) * | 2015-06-12 | 2020-01-31 | 联想(北京)有限公司 | information processing method and electronic equipment |
| CN114374903B (en) * | 2020-10-16 | 2023-04-07 | 华为技术有限公司 | Sound pickup method and sound pickup apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01195499A (en) * | 1988-01-30 | 1989-08-07 | Toshiba Corp | Sound input device |
| JPH0728488A (en) * | 1993-06-24 | 1995-01-31 | Canon Inc | Method and device for information processing |
| JP4314095B2 (en) * | 2003-10-30 | 2009-08-12 | 埼玉日本電気株式会社 | Mobile phone |
| CN102223594B (en) * | 2010-04-19 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Microphone control device and method |
| CN102378097B (en) * | 2010-08-25 | 2016-01-27 | 赛恩倍吉科技顾问（深圳）有限公司 | microphone control system and method |
-
2012
- 2012-10-09 CN CN201210379489.9A patent/CN103716446B/en active Active
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2013
- 2013-06-21 WO PCT/CN2013/077711 patent/WO2013170802A1/en active Application Filing
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|---|---|
| WO2013170802A1 (en) | 2013-11-21 |
| CN103716446A (en) | 2014-04-09 |
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