CN203219384U - Device for processing communication environment noise and mobile terminal - Google Patents

Device for processing communication environment noise and mobile terminal Download PDF

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Publication number
CN203219384U
CN203219384U CN 201220728040 CN201220728040U CN203219384U CN 203219384 U CN203219384 U CN 203219384U CN 201220728040 CN201220728040 CN 201220728040 CN 201220728040 U CN201220728040 U CN 201220728040U CN 203219384 U CN203219384 U CN 203219384U
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CN
China
Prior art keywords
ambient noise
microphone
noise
conversation
amplifier
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CN 201220728040
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Chinese (zh)
Inventor
万强强
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深圳市金立通信设备有限公司
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Priority to CN 201220728040 priority Critical patent/CN203219384U/en
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Publication of CN203219384U publication Critical patent/CN203219384U/en

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Abstract

The utility model discloses a device for processing communication environment noise and a mobile terminal. The device comprises an audio processing module (1), a main microphone (2), an auxiliary microphone (3), a memory module (4), an amplifier (5), a receiver (6) and a wireless transceiver module (7); wherein the auxiliary microphone (3) is started every certain period of time to detect the environment noise and the double MIC denoising function is started when the detected environment noise is equal to or larger than the preset noise threshold, and thereby effectively solving the problem that the starting of the double MIC denoising function at the relatively quite communication environment results into extra sound distortion, consumption of system resources and increase in the power consumption. Moreover, the amplification value of the amplifier (5) of the receiver (6) is dynamically adjusted according to the detected environment noise, and furthermore the resolution of the receiver in the noisy environment is improved.

Description

A kind of device and portable terminal of handling the conversation ambient noise

Technical field

The utility model relates to signal processing technology, especially, designs a kind of device and portable terminal of handling the conversation ambient noise.

Background technology

Along with the develop rapidly of verbal system, people require more and more higher to speech quality, and when people conversed in noisy environment, environmental noise can have a strong impact on both sides' speech quality.One of prior art is to utilize pure analog circuitry processes, and this method only needs a microphone to get final product, and utilizes far and near sound field different qualities to eliminate noise, and this method processing speed is fast, need outer member also seldom, but effect is poor; Another kind of scheme is to utilize two MIC(microphones) carry out de-noising, mobile phone with two MIC de-noising functions has two MIC, one of them is main MIC, mouth from the user is nearer, another is secondary MIC, is positioned at the back side or the end face of mobile phone, and as far as possible away from main MIC, secondary MIC is used for catching the noise of surrounding environment, and portable terminal carries out denoising Processing according to this noise data to the voice data that main MIC receives.

But we know that the most of conversation of people scene is quiet relatively, that is to say, does not sometimes need to open two MIC de-noising functions, opens it and can bring problems such as extra audio distortions, consume system resources and increase power consumption on the contrary.In addition, two MIC de-noisings are up processing, can't solve a descending environmental noise side of living in, along with the increase of ambient noise, the problem of noise takeover receiver sound occurs.

The utility model content

The utility model provides a kind of device of handling the conversation ambient noise, and this device is by detecting secondary MIC to such an extent that the size of noise and the noise threshold of setting compare, and then the unlatching of Based Intelligent Control pair MIC de-noising functions.

The device of described processing conversation ambient noise comprises audio processing modules, and the main microphone and the secondary microphone that are connected respectively with described audio processing modules;

Described main microphone is used for receiving user's voice and ambient noise; Described secondary microphone is for detection of ambient noise; Described audio processing modules, be used for when determining described detected ambient noise less than the noise threshold set, closing secondary microphone, and keep the opening of secondary microphone in definite described detected ambient noise during more than or equal to described noise threshold, and the noise data that utilizes described secondary microphone to receive carries out de-noising to the voice data that described main microphone receives.

Further, described device also comprises amplifier and receiver, and described amplifier connects described audio processing modules, and described receiver connects described amplifier;

Described audio processing modules also is used for controlling according to the size of the detected ambient noise of described secondary microphone the times magnification numerical value of described amplifier.

In the device of above-mentioned processing conversation ambient noise, the relation big or small in direct ratio of the times magnification numerical value of described amplifier and the detected ambient noise of described secondary microphone.

In the device of above-mentioned processing conversation ambient noise, described secondary microphone is opened every the regular hour when described main microphone is worked, with the testing environment noise.

In the device of above-mentioned processing conversation ambient noise, described audio processing modules is the audio algorithm digital signal processor.

Further, state device and also comprise memory module, be used for to preserve the database of corresponding relation that secondary microphone is opened the times magnification numerical value of the ambient noise sizes values of interlude value, noise threshold and different brackets and amplifier.

Further, described device also comprises radio receiving transmitting module, is used for the voice data after the described audio processing modules processing is sent to other portable terminal, and receives the voice data that other portable terminal sends.

The utility model also provides a kind of portable terminal, and described portable terminal comprises the device of above-mentioned processing conversation ambient noise.

The utility model is by opening secondary MIC at regular intervals with the testing environment noise, and when being equal to or greater than predefined noise threshold, detected ambient noise opens two MIC de-noising functions, thereby can solve effectively the conversation environment facies to quiet situation under, open the problem that two MIC de-noising functions are brought extra audio distortions, consume system resources and increase power consumption.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the equipment block diagram of the device of the processing conversation ambient noise that provides of the utility model embodiment;

Fig. 2 is the equipment block diagram of the portable terminal that provides of the utility model embodiment.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

Fig. 1 shows the equipment block diagram of the device of the processing conversation ambient noise that the utility model embodiment provides.The device of Intelligent treatment conversation ambient noise of the present utility model comprises audio processing modules 1, main MIC2, secondary MIC3, memory module 4, amplifier 5, receiver 6 and radio receiving transmitting module 7; Wherein, main MIC2, secondary MIC3, memory module 4, amplifier 5 and radio receiving transmitting module 7 are connected with audio processing modules 1 respectively, and receiver 6 is connected with amplifier 5.

Main MIC2 is used for receiving user's voice and ambient noise; Secondary MIC3 is used for opening every the regular hour when main MIC2 works, to detect ambient noise; Audio processing modules 1, be used for closing secondary MIC3 during less than predefined noise threshold Q in the sizes values of determining detected ambient noise, and keep the opening of secondary MIC3 during more than or equal to noise threshold Q in the sizes values of determining detected ambient noise, and the noise data that utilizes secondary MIC3 to receive carries out de-noising to the voice data that described main MIC2 receives, and audio processing modules 1 also is used for the times magnification numerical value according to the detected ambient noise control amplifier 5 of secondary MIC3; Memory module 4, be used for preserving secondary MIC3 and (for example open the interlude value, opened every 10 seconds), the database of the corresponding relation of the times magnification numerical value G of the ambient noise sizes values T of noise threshold Q and different brackets and amplifier, this corresponding relation can be expressed with formula T=X*G, be about to the ambient noise value and be divided into different grades, the times magnification numerical value G of the corresponding amplifier 5 of each grade, the big or small T relation in direct ratio of the times magnification numerical value G of amplifier 5 and ambient noise, it is pointed out that coefficient X is variable; Radio receiving transmitting module 7 is used for the voice data after described audio processing modules 1 processing is sent to other portable terminal, and receives the voice data that other portable terminal sends.It is pointed out that the audio processing modules 1 in the utility model can be audio frequency processing circuit, for example, the audio algorithm digital signal processor.

The concrete principle of the device of processing conversation ambient noise of the present utility model is as follows: when main MIC2 starts working (when the user utilizes portable terminal to begin to converse), secondary MIC3 every one period predetermined time (for example, 10 seconds) open to detect the size of ambient noise, when noise threshold Q that audio processing modules 1 is determined to preserve during detected ambient noise is less than memory module 4, control secondary MIC3 and close; When audio processing modules 1 is determined detected ambient noise more than or equal to noise threshold Q, control secondary MIC3 and be held open state, and the noise data that utilizes secondary MIC3 to receive carries out de-noising to the voice data that main MIC2 receives, the signal that namely utilizes main MIC2 to receive deduct secondary MIC3 receive signal, just can eliminate the noise of environmental background effectively, and only stay the sound that user's mouth is told.That is to say, said process can guarantee the definition of the speech of telling others, it is up processing, in order to solve the write out a prescription problem of noise takeover receiver sound of descending ambient noise, audio processing modules 1 in the device of Intelligent treatment of the present utility model conversation ambient noise also can according to secondary MIC3 detect the size of ambient noise, the database of the corresponding relation of the ambient noise sizes values T by reading in the memory module 4 different brackets of preserving and the times magnification numerical value G of amplifier, the multiplication factor of the amplifier 5 of receiver 6 is adjusted on automatic dynamic ground, can be according to the size of the sound of the big or small automatic setting receiver 6 of current noise, under the situation that the conversation scene is relatively made a lot of noise, strengthen the receiver sound automatically, and when the conversation scene is very quiet, just reduce the receiver sound to save power consumption.

The device of processing conversation ambient noise of the present utility model can be applicable in the portable terminal, as shown in Figure 2, this portable terminal comprises audio processing modules 1, main MIC2, secondary MIC3, memory module 4, amplifier 5, receiver 6 and radio receiving transmitting module 7, the function of these modules or member is identical with its function in Fig. 1, so do not repeat them here.

Module described in the embodiment of the invention or unit, can pass through universal integrated circuit, CPU(Central Processing Unit for example, central processing unit), or by ASIC(Application Specific Integrated Circuit, application-specific integrated circuit (ASIC)) realize.

The above is preferred embodiment of the present utility model only, is not limited to the utility model, all any modifications of making within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all should be included in the protection range of the present utility model.

Claims (8)

1. a device of handling the conversation ambient noise is characterized in that described device comprises audio processing modules (1), and the main microphone (2) and the secondary microphone (3) that are connected respectively with described audio processing modules (1);
Described main microphone (2) is used for receiving user's voice and ambient noise; Described secondary microphone (3) is for detection of ambient noise; Described audio processing modules (1), be used for when determining described detected ambient noise less than the noise threshold set, closing secondary microphone (3), and keep the opening of secondary microphone (3) in definite described detected ambient noise during more than or equal to described noise threshold, and the noise data that utilizes described secondary microphone (3) to receive carries out de-noising to the voice data that described main microphone (2) receives.
2. the device of processing according to claim 1 conversation ambient noise, it is characterized in that, described device also comprises amplifier (5) and receiver (6), and described amplifier (5) connects described audio processing modules (1), and described receiver (6) connects described amplifier (5);
Described audio processing modules (1) also is used for controlling according to the size of the detected ambient noise of described secondary microphone (3) the times magnification numerical value of described amplifier.
3. the device of processing conversation ambient noise according to claim 2 is characterized in that the relation big or small in direct ratio of the times magnification numerical value of described amplifier and the detected ambient noise of described secondary microphone (3).
4. the device of processing conversation ambient noise according to claim 1 is characterized in that described secondary microphone (3) is opened every the regular hour, with the testing environment noise when described main microphone (2) is worked.
5. the device of processing conversation ambient noise according to claim 1 is characterized in that described audio processing modules (1) is the audio algorithm digital signal processor.
6. the device of processing according to claim 1 conversation ambient noise, it is characterized in that, described device also comprises memory module (4), be used for to preserve the database of corresponding relation that secondary microphone (3) is opened the times magnification numerical value of the ambient noise sizes values of interlude value, noise threshold and different brackets and amplifier.
7. according to the device of each described processing conversation ambient noise in the claim 1~6, it is characterized in that, it is characterized in that, described device also comprises radio receiving transmitting module (7), be used for the voice data after described audio processing modules (1) processing is sent to other portable terminal, and receive the voice data that other portable terminal sends.
8. a portable terminal is characterized in that, described portable terminal comprises the device of each described processing conversation ambient noise in the claim 1~7.
CN 201220728040 2012-12-26 2012-12-26 Device for processing communication environment noise and mobile terminal CN203219384U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103873625A (en) * 2014-03-31 2014-06-18 深圳市中兴移动通信有限公司 Method and device for increasing volume of received voice and mobile terminal
WO2015070645A1 (en) * 2013-11-14 2015-05-21 华为技术有限公司 Voice recognition method, voice recognition device, and electronic device
CN104702787A (en) * 2015-03-12 2015-06-10 深圳市欧珀通信软件有限公司 Sound acquisition method applied to MT (Mobile Terminal) and MT
CN104883645A (en) * 2015-04-30 2015-09-02 深圳市冠旭电子有限公司 Environment noise collection method and apparatus by noise reduction earphone
CN106331359A (en) * 2016-08-31 2017-01-11 广东欧珀移动通信有限公司 Speech signal acquisition method and apparatus and terminal
CN106534510A (en) * 2016-11-02 2017-03-22 惠州Tcl移动通信有限公司 Mobile terminal-based microphone call control method and mobile terminal
CN106644037A (en) * 2016-12-28 2017-05-10 中国科学院长春光学精密机械与物理研究所 Voice signal acquisition device and method
CN110301140A (en) * 2017-05-19 2019-10-01 Jvc建伍株式会社 Noise remove device, noise remove method and noise remove program

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015070645A1 (en) * 2013-11-14 2015-05-21 华为技术有限公司 Voice recognition method, voice recognition device, and electronic device
US9870771B2 (en) 2013-11-14 2018-01-16 Huawei Technologies Co., Ltd. Environment adaptive speech recognition method and device
CN103873625A (en) * 2014-03-31 2014-06-18 深圳市中兴移动通信有限公司 Method and device for increasing volume of received voice and mobile terminal
CN104702787A (en) * 2015-03-12 2015-06-10 深圳市欧珀通信软件有限公司 Sound acquisition method applied to MT (Mobile Terminal) and MT
CN104883645A (en) * 2015-04-30 2015-09-02 深圳市冠旭电子有限公司 Environment noise collection method and apparatus by noise reduction earphone
CN104883645B (en) * 2015-04-30 2020-05-05 深圳市冠旭电子股份有限公司 Method and device for collecting ambient noise by noise reduction earphone
CN106331359B (en) * 2016-08-31 2017-09-12 广东欧珀移动通信有限公司 A kind of speech signal collection method, device and terminal
CN106331359A (en) * 2016-08-31 2017-01-11 广东欧珀移动通信有限公司 Speech signal acquisition method and apparatus and terminal
CN106534510A (en) * 2016-11-02 2017-03-22 惠州Tcl移动通信有限公司 Mobile terminal-based microphone call control method and mobile terminal
CN106644037A (en) * 2016-12-28 2017-05-10 中国科学院长春光学精密机械与物理研究所 Voice signal acquisition device and method
CN110301140A (en) * 2017-05-19 2019-10-01 Jvc建伍株式会社 Noise remove device, noise remove method and noise remove program

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