CN106716978A - Communication terminal - Google Patents
Communication terminal Download PDFInfo
- Publication number
- CN106716978A CN106716978A CN201680002781.5A CN201680002781A CN106716978A CN 106716978 A CN106716978 A CN 106716978A CN 201680002781 A CN201680002781 A CN 201680002781A CN 106716978 A CN106716978 A CN 106716978A
- Authority
- CN
- China
- Prior art keywords
- microphone
- sender
- sound inlet
- communication terminal
- housing
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/20—Arrangements for preventing acoustic feed-back
Abstract
The invention relates to the technical field of communications, and provides a communication terminal. The communication terminal comprises a housing provided with a camera installing hole, a sound inlet and a sound outlet; a microphone disposed at the sound outlet; another microphone disposed at the sound inlet; a receiver positioned at one side of the microphone at the sound outlet; and a denoising processing module respectively connected with the microphone disposed at the sound outlet and the another microphone disposed at the sound inlet and used for denoising conversation voice according to ambient noise and conversation voice which are acquired by the microphone disposed at the sound outlet and the another microphone disposed at the sound inlet. Through the method, the ambient noise and conversation voice can be well acquired by the microphones of the communication terminal, the acquired ambient noise is closer to real ambient noise, and therefore the denoising effect of the communication voice is increased; and the cost of disposing a sound inlet in the housing of the communication terminal can be saved, and therefore manufacturing cost is reduced.
Description
【Technical field】
The present invention relates to communication technical field, more particularly to a kind of communication terminal.
【Background technology】
Communication terminal is the terminal device for accessing mobile Internet, with the development of mobile Internet and communication terminal, is moved
The transmission speed of dynamic internet is more and more faster, and the coverage of mobile Internet is more and more wider, and people can use communication terminal
The place for being communicated is also more and more.
Because communication terminal is the voice by microphone collection user input, therefore, in communication terminal, collection user is defeated
During the voice for entering, the noise of external environment condition can also adulterate wherein, cause the aphthenxia of user input clear, especially complicated
Under communication environment, for example：Crowded station, subway, the noise of external environment condition can cover the voice of user input, have a strong impact on logical
Believe the communication efficiency of terminal.
【The content of the invention】
The embodiment of the present invention can preferably collect environmental noise and manufacture mainly solving the technical problems that providing one kind
The lower communication terminal of cost.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
The present invention provides a kind of communication terminal, including：Housing, is provided with camera mounting hole, sound inlet and sender；If
The microphone being placed at the sender, is fixed on the enclosure interior, for gathering environmental noise and call voice；It is arranged at
Microphone at the sound inlet, is fixed on the enclosure interior, for gathering environmental noise and call voice；Receiver, it is fixed
At the sender, and the microphone side at the sender；Noise reduction process module, is arranged at institute with described respectively
The microphone at sender and the microphone connection being arranged at the sound inlet are stated, for combining at the sender
Environmental noise and call voice that microphone and the microphone being arranged at the sound inlet are collected, enter to call voice
Row noise reduction process.
In certain embodiments, the sound inlet includes：First sound inlet, is arranged at the downside of the housing, is used for
The microphone being arranged at first sound inlet is set preferably to gather environmental noise and call voice；Second sound inlet, is set
In the upper side of the housing, the microphone for making to be arranged at second sound inlet preferably gathers environmental noise and leads to
Language sound.
In certain embodiments, the sound inlet also includes the 3rd sound inlet, and the camera for being arranged at the housing is installed
Around hole, the microphone for making to be arranged at the 3rd sound inlet preferably gathers environmental noise and call voice.
In certain embodiments, the sound inlet includes：First sound inlet, is arranged at the downside of the housing, is used for
The microphone being arranged at first sound inlet is set preferably to gather environmental noise and call voice；3rd sound inlet, is set
Around the camera mounting hole of the housing, the microphone for making to be arranged at the 3rd sound inlet is preferably gathered
Environmental noise and call voice.
In certain embodiments, the sender includes the first sender, and first sender is arranged at the housing
Positive screen top.
In certain embodiments, the sender also includes the second sender, and second sender is arranged at the shell
The lower left corner or the lower right corner at the body back side.
In certain embodiments, the noise reduction process module includes：Selector, is arranged at the sender with described respectively
The microphone at place and the microphone connection being arranged at the sound inlet, for the microphone from the sender and institute
One microphone of selection in the microphone being arranged at the sound inlet is stated, as the microphone for providing voice advantage signal, and
And a microphone is selected from remaining microphone, as the microphone for providing environmental noise advantage signal；Processor, with institute
Selector connection is stated, for strengthening the voice advantage signal by the environmental noise advantage signal.
In certain embodiments, the communication terminal also includes circuit board, and the circuit board is fixed on the housing；Institute
The microphone being arranged at the sender is stated to be welded on the circuit board.
In certain embodiments, the microphone being arranged at the sender is provided with voice guide hole, the voice guide hole
It is corresponding with the sender.
The beneficial effects of the invention are as follows：Sender is shared by the microphone and receiver that will be arranged at the sender,
The microphone of the communication terminal can be made preferably to gather environmental noise and call voice, make the environmental noise that collects with it is true
Real environment noise is closer, so as to improve the noise reduction to communication speech；And can save on the housing of communication terminal
The cost of sound inlet is opened up, so as to reduce manufacturing cost.
Further, the microphone at the sender will be arranged to be directly welded on circuit board, can be further reduced
Manufacturing cost simultaneously improves its anti-dropping capability.
【Brief description of the drawings】
Fig. 1 is the front view of communication terminal in the embodiment of the present invention；
Fig. 2 is the rearview of communication terminal in the embodiment of the present invention；
Fig. 3 is the installation diagram for being arranged at microphone at the sender of communication terminal in the embodiment of the present invention；
Fig. 4 is communication terminal schematic internal view in the embodiment of the present invention.
【Specific embodiment】
For the ease of understanding the present invention, with reference to the accompanying drawings and detailed description, the present invention is carried out in more detail
It is bright.It should be noted that when element is expressed " being fixed on " another element, it can directly on another element or
There may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be straight
Another element is connected in succession or there may be one or more elements placed in the middle therebetween.The term that this specification is used
" vertical ", " level ", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology and scientific terminology that this specification is used are led with technology of the invention is belonged to
The implication that the technical staff in domain is generally understood that is identical.The term used in the description of the invention in this specification is to be
The purpose of description specific embodiment, is not intended to the limitation present invention.The term "and/or" that this specification is used includes
The arbitrary and all of combination of one or more related Listed Items.
Refer to Fig. 1 and Fig. 2, Fig. 1 be communication terminal in an embodiment of the present invention front view, Fig. 2 is the present invention one
Plant the rearview of communication terminal in embodiment.Communication terminal 100 includes：Housing 10, the microphone being arranged at the sender
20th, microphone 30 at the sound inlet, receiver 40 and noise reduction process module 50 are arranged at, wherein, housing 10 is provided with into sound
Hole 11, sender 12 and camera mounting hole 13；The microphone 20 for being arranged at the sender 12 is fixed on the housing 10
Inside, for gathering environmental noise and call voice；The microphone 30 at the sound inlet 11 is arranged to be made an uproar for gathering environment
Sound and call voice；Receiver 40 is fixed at the sender 12, and the side of microphone 20 at the sender 12；Drop
Processing module of making an uproar 50, respectively with the microphone 20 being arranged at the sender 12 and described be arranged at the sound inlet 11
The microphone 30 at place is connected, and for the microphone 20 combined at the sender 12 and described is arranged at the sound inlet 11
Environmental noise and call voice that microphone 30 is collected, noise reduction process is carried out to call voice.
Specifically, in figs 2 and 3 in illustrated embodiment, housing 10 is provided with sound inlet 11, sender 12 and camera
Mounting hole 13.The sound inlet 11 includes the first sound inlet 111, the second sound inlet 112 and the 3rd sound inlet 113, wherein, first
Sound inlet 111 is arranged at the downside of the housing 10, more preferable for making to be arranged at microphone at first sound inlet 111
Collection environmental noise and call voice；Second sound inlet 112 is arranged at the upper side of the housing 10, for making to be arranged at institute
State the microphone at the second sound inlet 112 and preferably gather environmental noise and call voice；The camera mounting hole 13 is set
In the upper left corner at the back side of the housing 10；3rd sound inlet 113 is arranged at around the camera mounting hole 13 of the housing 10
I.e. described 3rd sound inlet 113 is similarly provided at the upper left corner at the back side of the housing 10, and sound is entered for making to be arranged at the described 3rd
Microphone at hole 113 preferably gathers environmental noise and call voice, and the 3rd sound inlet 113 at the position can be more
Good collection environmental noise.Sender 12 includes the first sender 121 and the second sender 122, wherein, first sender
121 are arranged at the positive top of the housing 10, second sender 122 be arranged at the back side of the housing 10 the lower left corner or
The lower right corner.Communication terminal 100 is internally provided with multiple microphones, is broadly divided into two classes, that is, be arranged at the wheat at the sender
Gram wind and the microphone being arranged at the sound inlet.It is arranged at the microphone 30 at the sound inlet and has three, is respectively provided with
It is inside the housing 10 and corresponding with first sound inlet 111, the second sound inlet 112 and the 3rd sound inlet 113.
It is arranged at the microphone 20 at the sender and has two, may be contained within inside the housing 10, and goes out with described first
The sender 122 of sound hole 121 and second is corresponding.Be arranged at microphone 20 at the sender very well by the use of sender 12 as
The passage of collection environmental noise and call voice, the advantage of such design is, the housing 10 can reduce with it is described go out sound
The equal numbers of hole of microphone 20 at hole.The front for being particularly due to housing 10 uses glass material, such design
Can avoid being punched in the front of the housing, and further avoid producing destruction to the outward appearance and structure of housing 10, while sharp
With sender 12 as collection environmental noise and the passage of call voice, can also avoid being sheltered from by face.In addition in people
When being conversed using communication terminal, often because face and hair are contacted with communication terminal and rub generation some noises, this
A little noise microphones located elsewhere are difficult accurately to be collected into, and being arranged at microphone 20 at the sender can be by
These noises are accurately collected.Metal screen is coated with sender 12, metal screen has dust reduction capability, can guarantee that sender
12 it is unimpeded, and then ensure that the microphone that is arranged at this gathers environmental noise and call voice well.
The noise reduction process module 50 includes selector 51 and processor 52, and selector 51 is arranged at out with described respectively
Microphone 20 and the microphone 30 being arranged at sound inlet at sound hole are connected, for being arranged at sender from described
A microphone is selected in microphone 20 and the microphone 30 being arranged at the sound inlet, is believed as voice advantage is provided
Number microphone, and from remaining microphone select a microphone, as provide environmental noise advantage signal Mike
Wind；Processor 52 is connected with the selector 51, for strengthening the voice advantage by the environmental noise advantage signal
Signal.Voice advantage signal or environmental noise advantage signal are provided using separate microphone can be better than using single Mike
Two kinds of signals that wind is obtained, because due to the diverse location being positioned in the shell 10, the microphone of the separation can be with
Offer is preferably represented sound waveform subsidiary on the shell 10.The Multiple factors for below illustrating can help selector 51
Determine which microphone is selected for providing advantage signal.Influence microphone signal quality a kind of situation be when user without
When blocking certain sound inlet or sender with its hand between meaning, and then the microphone at this is set physically to be stopped.In this situation
Under, the analysis of the signal from the microphone at this can represent that the microphone can not provide voice advantage signal or environmental noise
The ideal chose of advantage signal.However, it should be noted that the microphone of the signal of pickup peak power or maximum loudness is not necessarily
It is to provide the appropriate selection of voice advantage signal.When the signal for evaluating which microphone should be used as voice advantage signal or ring
During the noise advantage signal of border, it may be considered that be related to the different factors of signal to noise ratio, total harmonic distortion, cross-talk and sidetone.The noise reduction
Processing module 50 strengthens technology using Microphone Array Speech, and microphone array is divided by the multi-channel sound signal for picking up
Analysis and treatment, beam pattern main lobe alignment target voice " zero point " for forming array point to interference source to suppress interference letter
Number, so as to obtain target voice as far as possible.Wherein, spacing, the microphone of beam direction and beam main lobe width and microphone
Number, the set location of microphone, sound source incidence angle and sample frequency are closely related.Microphone array system has spatial choice
Characteristic, can provide the voice signal of high-quality, i.e. microphone array system with the mode of " electronic aiming " from required sound source position
System can be followed the trail of just in talker with automatic Detection location in receiving area, be conducive to obtaining multi-acoustical or mobile sound
Source.
Communication terminal 100 also includes circuit board 60 (pcb board), and the circuit board 60 is directly fixed on the shell of communication terminal 100
On body 10.It is arranged at the microphone at the sender to be welded on circuit board 60, the microphone of existing mobile phone is all affixed to
On flexible film.Compared with prior art, due to no longer needing to be provided with flexible film inside communication terminal 100, therefore this hair
The cost of bright used technical scheme is lower；Circuit board is directly fixed on housing 10 simultaneously, and its anti-dropping capability is more preferable；By
It is hard in circuit board 60, therefore is welded on circuit board 60, the better tightness of microphone can be made.
As shown in figure 3, the microphone 20 being arranged at the sender is provided with voice guide hole 21, voice guide hole 21 is located at out sound
Between hole 12 and the microphone 20 being arranged at the sender, the voice guide hole 21 is corresponding with the sender 12.And
Upper end is connected with sender 12, and lower end is connected with the microphone 20 being arranged at the sender.The voice guide hole 21 can be fine
The environmental noise and communication speech that will pass through sender 12 be directed into being arranged at microphone 20 at the sender, make setting
The more accurate acquisition of microphone 20 at the sender is to outside environmental noise and communication speech.
In certain embodiments, the sound inlet 11 includes the first sound inlet 111 and the 3rd sound inlet 113, and is not provided with
There is the second sound inlet 112.
In certain embodiments, the shell 10 is provided only with the first sender 121, and is not provided with the second sender
122。
In embodiments of the present invention, the microphone and receiver by will be arranged at the sender share sender, can
Blocked by hand with being effectively prevented from user's sound inlet when being communicated using communication terminal, make the environmental noise that collects with
True environment noise is closer, so as to improve the noise reduction to communication speech；And the housing in communication terminal can be saved
On open up the cost of sound inlet, so as to reduce manufacturing cost.Further, the microphone that will be arranged at the sender is direct
It is welded on circuit board, can further reduces manufacturing cost and improve its anti-dropping capability.
It should be noted that preferred embodiment of the invention is given in specification of the invention and its accompanying drawing, but,
The present invention can be realized by many different forms, however it is not limited to the embodiment described by this specification, these embodiments
Not as the extra limitation to present invention, there is provided the purpose of these embodiments is to make the understanding to the disclosure
It is more thorough comprehensive.Also, above-mentioned each technical characteristic continues to be mutually combined, the various embodiments that formation is not enumerated above,
It is considered as the scope of description of the invention record；Further, for those of ordinary skills, can be according to the above description
Improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of communication terminal, it is characterised in that including：
Housing, is provided with sound inlet and sender；
The microphone at the sender is arranged at, the enclosure interior is fixed on, for gathering environmental noise and call voice；
The microphone at the sound inlet is arranged at, the enclosure interior is fixed on, for gathering environmental noise and call voice；
Receiver, is fixed at the sender, and the microphone side at the sender；
Noise reduction process module, respectively with the microphone being arranged at the sender and described be arranged at the sound inlet
Microphone connection, for combine the sender at microphone and it is described be arranged at the sound inlet microphone collection
The environmental noise and call voice for arriving, noise reduction process is carried out to call voice.
2. communication terminal according to claim 1, it is characterised in that
The quantity of the sound inlet is multiple, and multiple sound inlets are arranged at the diverse location of the housing.
3. communication terminal according to claim 2, it is characterised in that the sound inlet includes：
First sound inlet, is arranged at the downside of the housing, for making to be arranged at the microphone at first sound inlet more
Good collection environmental noise and call voice；
Second sound inlet, is arranged at the upper side of the housing, for making to be arranged at the microphone at second sound inlet more
Good collection environmental noise and call voice.
4. communication terminal according to claim 3, it is characterised in that the sound inlet also includes the 3rd sound inlet, is set
In the upper left corner or the upper right corner at the back side of the housing, the microphone for making to be arranged at the 3rd sound inlet is preferably adopted
Collection environmental noise and call voice.
5. communication terminal according to claim 2, it is characterised in that the sound inlet includes：
First sound inlet, is arranged at the downside of the housing, for making to be arranged at the microphone at first sound inlet more
Good collection environmental noise and call voice；
3rd sound inlet, is arranged at around the camera mounting hole of the housing, for making to be arranged at the 3rd sound inlet
The microphone at place preferably gathers environmental noise and call voice.
6. communication terminal according to claim 1, it is characterised in that
The sender includes the first sender, and first sender is arranged at the positive top of the housing.
7. communication terminal according to claim 6, it is characterised in that the sender also includes the second sender, described
Second sender is arranged at the lower left corner or the lower right corner of the back side of shell.
8. communication terminal according to claim 1, it is characterised in that the noise reduction process module includes：
Selector, is connected with the microphone being arranged at sender and the microphone being arranged at sound inlet respectively,
For selecting a microphone from the microphone being arranged at sender and the microphone being arranged at sound inlet,
As the microphone for providing voice advantage signal, and a microphone is selected from remaining microphone, as offer environment
The microphone of noise advantage signal；
Processor, is connected with the selector, for strengthening the voice advantage letter by the environmental noise advantage signal
Number.
9. communication terminal according to claim 1 and 2, it is characterised in that
The communication terminal also includes circuit board, and the circuit board is fixed on the housing；
The microphone being arranged at the sender is welded on the circuit board.
10. communication terminal according to claim 1 and 2, it is characterised in that the Mike being arranged at the sender
Wind is provided with voice guide hole, and the voice guide hole is corresponding with the sender.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/107693 WO2018098626A1 (en) | 2016-11-29 | 2016-11-29 | Communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106716978A true CN106716978A (en) | 2017-05-24 |
| CN106716978B CN106716978B (en) | 2019-07-19 |
Family
ID=58903814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680002781.5A Active CN106716978B (en) | 2016-11-29 | 2016-11-29 | A kind of communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106716978B (en) |
| WO (1) | WO2018098626A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167863A (en) * | 2018-08-10 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | Receiver mould group |
| CN111225305A (en) * | 2020-01-15 | 2020-06-02 | Oppo广东移动通信有限公司 | Electronic device |
| CN111328446A (en) * | 2017-09-11 | 2020-06-23 | 深圳传音通讯有限公司 | Electronic device and control method thereof |
| CN111669456A (en) * | 2019-03-08 | 2020-09-15 | Oppo广东移动通信有限公司 | Audio adjusting method, storage medium and electronic equipment |
| CN112702457A (en) * | 2021-01-12 | 2021-04-23 | 益阳市信维声学科技有限公司 | Microphone and loudspeaker integrated device |
| CN113519023A (en) * | 2019-10-29 | 2021-10-19 | 苹果公司 | Audio coding with compression environment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100216526A1 (en) * | 2009-02-23 | 2010-08-26 | Apple Inc. | Audio Jack with Included Microphone |
| CN103401966A (en) * | 2013-08-08 | 2013-11-20 | 沈阳华立德电子科技有限公司 | Earphone interface compatible with microphone function |
| CN104639719A (en) * | 2013-11-11 | 2015-05-20 | 中兴通讯股份有限公司 | Calling method and communication terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201585004U (en) * | 2009-12-28 | 2010-09-15 | 深圳华为通信技术有限公司 | Shell applied in mobile phone and mobile phone |
| CN202931519U (en) * | 2012-11-08 | 2013-05-08 | 山东共达电声股份有限公司 | Unidirectional sound inlet microphone and sound receiving apparatus |
| CN204993736U (en) * | 2015-07-20 | 2016-01-20 | 上海创功通讯技术有限公司 | Mobile terminal and microphone |
| CN105025409B (en) * | 2015-07-29 | 2019-02-26 | 深圳市九霄环佩科技有限公司 | Wind resistance is made an uproar earphone |
-
2016
- 2016-11-29 CN CN201680002781.5A patent/CN106716978B/en active Active
- 2016-11-29 WO PCT/CN2016/107693 patent/WO2018098626A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100216526A1 (en) * | 2009-02-23 | 2010-08-26 | Apple Inc. | Audio Jack with Included Microphone |
| CN103401966A (en) * | 2013-08-08 | 2013-11-20 | 沈阳华立德电子科技有限公司 | Earphone interface compatible with microphone function |
| CN104639719A (en) * | 2013-11-11 | 2015-05-20 | 中兴通讯股份有限公司 | Calling method and communication terminal |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328446A (en) * | 2017-09-11 | 2020-06-23 | 深圳传音通讯有限公司 | Electronic device and control method thereof |
| CN109167863A (en) * | 2018-08-10 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | Receiver mould group |
| CN111669456A (en) * | 2019-03-08 | 2020-09-15 | Oppo广东移动通信有限公司 | Audio adjusting method, storage medium and electronic equipment |
| CN111669456B (en) * | 2019-03-08 | 2021-07-20 | Oppo广东移动通信有限公司 | Audio adjusting method, storage medium and electronic equipment |
| CN113519023A (en) * | 2019-10-29 | 2021-10-19 | 苹果公司 | Audio coding with compression environment |
| US11930337B2 (en) | 2019-10-29 | 2024-03-12 | Apple Inc | Audio encoding with compressed ambience |
| CN111225305A (en) * | 2020-01-15 | 2020-06-02 | Oppo广东移动通信有限公司 | Electronic device |
| CN112702457A (en) * | 2021-01-12 | 2021-04-23 | 益阳市信维声学科技有限公司 | Microphone and loudspeaker integrated device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106716978B (en) | 2019-07-19 |
| WO2018098626A1 (en) | 2018-06-07 |
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