CN102300002A - Mobile terminal and hearing aiding processing method thereof - Google Patents
Mobile terminal and hearing aiding processing method thereof Download PDFInfo
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- CN102300002A CN102300002A CN2011102772084A CN201110277208A CN102300002A CN 102300002 A CN102300002 A CN 102300002A CN 2011102772084 A CN2011102772084 A CN 2011102772084A CN 201110277208 A CN201110277208 A CN 201110277208A CN 102300002 A CN102300002 A CN 102300002A
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Abstract
The invention provides a mobile terminal and a hearing aiding processing method thereof. The method comprises that: a controller triggers an analogue-to-digital conversion module to receive a first voice signal from a microphone module or a communication module according to received mode selection information; the analogue-to-digital conversion module performs analogue-to-digital conversion processing on the first voice signal to generate a first digital signal, and transmits the first digital signal; a voice processing module performs noise elimination processing on the first digital signal to generate a second digital signal; the voice processing module performs compensation processing on the second digital signal to generate a third digital signal according to received amplification parameter information, and transmits the third digital signal; a digital-to-analogue conversion module performs digital-to-analogue conversion processing on the received third digital signal to generate a second voice signal, and transmits the second voice signal; and a voice playing module plays the received second voice signal. By the mobile terminal and the hearing aiding processing method thereof provided by the invention, a hearing aiding function is integrated into the mobile terminal, so an occupied space is reduced.
Description
Technical field
The present invention relates to the portable terminal technology, relate in particular to a kind of portable terminal and hearing aid processing method thereof.
Background technology
Along with the development of society and people to listening barrier patient's a growing interest, the development of hearing aids is subject to people's attention gradually.Some specific occasions not only hearing the people of obstacle is arranged, the normal people of hearing also will be by means of hearing aids.
At present, mobile phone has become necessary part in people's life.When being away from home, people to carry mobile phone usually.Hearing aids is generally independent setting, when listening the barrier patient to go out, not only will carry other article such as mobile phone, also will carry hearing aids, very inconvenience.And listen the barrier patient when using mobile phone, also can not hear the sound of partner because of dysaudia, existing mobile phone is not suitable for listening the barrier patient to use.
Summary of the invention
The invention provides a kind of portable terminal and hearing aid processing method thereof,, when realizing communication function, realize need not additionally to carry hearing aids by hearing-aid function, reduce to take up room, improve resource utilization so that hearing-aid function is incorporated in the portable terminal.
The invention provides a kind of hearing aid processing method of portable terminal, comprising:
Controller triggers analog-to-digital conversion module and receives first voice signal from microphone module or communication module according to the model selection information that receives;
Described analog-to-digital conversion module generates first digital signal with described first voice signal through analog-to-digital conversion process, and sends;
The acoustic processing module is carried out noise removing with described first digital signal and is handled generation second digital signal;
Described acoustic processing module generates three digital signal with described second digital signal through compensation deals according to the amplifying parameters information that receives, and sends;
The three digital signal that D/A converter module will receive is handled through digital-to-analogue conversion and is generated second voice signal, and sends;
Described second voice signal that the speech play module will receive is play.
The invention provides a kind of portable terminal, comprising: microphone module, communication module and speech play module also comprise controller, analog-to-digital conversion module, acoustic processing module and D/A converter module;
Described controller is used for according to the model selection information that receives, and triggers analog-to-digital conversion module and receives first voice signal from microphone module or communication module;
Described analog-to-digital conversion module is used for described first voice signal is generated first digital signal through analog-to-digital conversion process, and sends;
Described acoustic processing module is used for that described first digital signal is carried out noise removing and handles generation second digital signal, according to the amplifying parameters information that receives, described second digital signal is generated three digital signal through compensation deals, and sends;
Described D/A converter module, the three digital signal that is used for receiving is handled through digital-to-analogue conversion and is generated second voice signal, and sends;
Described speech play module is used for described second voice signal that receives is play.
As shown from the above technical solution, portable terminal provided by the invention and hearing aid processing method thereof, controller is according to the model selection information that receives, trigger analog-to-digital conversion module and receive first voice signal from microphone module or communication module, analog-to-digital conversion module generates first digital signal with first voice signal through analog-to-digital conversion process, the acoustic processing module is carried out noise removing with first digital signal and is handled generation second digital signal, according to the amplifying parameters information that receives, second digital signal is generated three digital signal through compensation deals, the three digital signal that D/A converter module will receive is handled through digital-to-analogue conversion and is generated second voice signal, and by the broadcast of speech play module, realized hearing-aid function is incorporated in the portable terminal, the user only need carry hearing aid and the communication function that portable terminal just can be realized, need not additionally to carry hearing aids, reduced to take up room.Hearing-aid function is realized on the existing hardware foundation of portable terminal, has been improved resource utilization.And, when the user communicates by portable terminal, in communication process, also can handle the voice signal that produces in the communication process, to reach the purpose of hearing aid, improved portable terminal to special population or in the result of use of special occasions.
Description of drawings
The hearing aid processing method flow chart of the portable terminal that Fig. 1 provides for the embodiment of the invention;
The mobile terminal structure schematic diagram that Fig. 2 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the technical scheme in the embodiment of the invention is clearly and completely described below in conjunction with the embodiment of the invention.Need to prove that in accompanying drawing or specification, similar or components identical is all used identical Reference numeral.
The hearing aid processing method flow chart of the portable terminal that Fig. 1 provides for the embodiment of the invention.As shown in Figure 1, the hearing aid processing method of the portable terminal that present embodiment provides specifically can be applied to be undertaken by portable terminal the implementation procedure of hearing aid, and the hearing aid processing method of the portable terminal that present embodiment provides specifically comprises:
Step 10, controller trigger analog-to-digital conversion module and receive first voice signal from microphone module or communication module according to the model selection information that receives;
Controller specifically is the controller of portable terminal, can be microprocessor or microcontroller.Analog-to-digital conversion module can be the analog to digital converter in the portable terminal, also can corresponding analog to digital converter be set according to data processing precision and speed needs.Model selection information be specially the input equipment input of user by portable terminal in order to indication to the ambient sound hearing aid still to the indication information of conversation sound hearing aid, portable terminal can provide corresponding option for the user by screen, imports this model selection information for the user.Model selection information can comprise ambient sound hearing aid and conversation sound hearing aid, if model selection information is the ambient sound hearing aid, then the voice signal that microphone module is received is handled, if model selection information is then handled the voice signal that communication module is received for conversation sound hearing aid.
Step 20, analog-to-digital conversion module generate first digital signal with first voice signal through analog-to-digital conversion process, and send;
Step 30, acoustic processing module are carried out noise removing with first digital signal and are handled generation second digital signal;
In the applied environment of reality, voice can be subjected to the interference of ambient noise in various degree.Disturb and specifically can comprise: periodic noise, impact noise and broadband noise etc.Periodic noise such as electrical equipment disturb, the interference that engine rotation causes etc., and this class is disturbed at frequency domain and is shown as some discrete narrow peaks.Particularly 50Hz or 60Hz hum can cause periodic noise.Impact noise such as electric spark, the noise jamming of discharge generation, this class is disturbed and is shown as emergent burst pulse in time domain.Eliminating this noise can carry out in time domain, promptly determines threshold value according to the mean value of Noisy Speech Signal amplitude.Broadband noise is often referred to Gaussian noise or white noise, is characterized in bandwidth, almost covers whole voice band.Its source is a lot, comprises wind, respiratory noise and general random noise source etc.By above-mentioned noise is eliminated processing, can improve quality of signals.
Step 40, acoustic processing module generate three digital signal with second digital signal through compensation deals according to the amplifying parameters information that receives, and send;
Amplifying parameters information is specially the parameter information in order to the adjustment sound articulation of user's input, portable terminal specifically can provide in order to adjust the option of amplifying parameters for the user by screen, so that the user adjusts amplifying parameters information according to the needs of oneself, till the sound of hearing is clear.
In the present embodiment, preferably, the acoustic processing module can adopt the Digital Signal Processing (Digital Signal Processing is called for short DSP) of TMS320C5416 model to realize.
The three digital signal that step 50, D/A converter module will receive is handled through digital-to-analogue conversion and is generated second voice signal, and sends;
D/A converter module can be the analog to digital converter in the portable terminal, also can corresponding digital to analog converter be set according to data processing precision and speed needs.In the present embodiment, preferably, can adopt the digital encoder of TLV320AIC23 model to realize analog-to-digital conversion and digital-to-analogue conversion processing procedure.
Second voice signal that step 60, speech play module will receive is play.
The user can hear second voice signal by the speech play module, thereby realizes hearing aid.
The hearing aid processing method of the portable terminal that present embodiment provides, controller is according to the model selection information that receives, trigger analog-to-digital conversion module and receive first voice signal from microphone module or communication module, analog-to-digital conversion module generates first digital signal with first voice signal through analog-to-digital conversion process, the acoustic processing module is carried out noise removing with first digital signal and is handled generation second digital signal, according to the amplifying parameters information that receives, second digital signal is generated three digital signal through compensation deals, the three digital signal that D/A converter module will receive is handled through digital-to-analogue conversion and is generated second voice signal, and by the broadcast of speech play module, realized hearing-aid function is incorporated in the portable terminal, the user only need carry hearing aid and the communication function that portable terminal just can be realized, need not additionally to carry hearing aids, reduced to take up room.Hearing-aid function is realized on the existing hardware foundation of portable terminal, has been improved resource utilization.And, when the user communicates by portable terminal, in communication process, also can handle the voice signal that produces in the communication process, to reach the purpose of hearing aid, improved portable terminal to special population or in the result of use of special occasions.
In the present embodiment, step 40, acoustic processing module generate three digital signal with second digital signal through compensation deals according to the amplifying parameters information that receives, and specifically can comprise the steps:
The acoustic processing module is according to the frequency range of second digital signal, second digital signal is handled a plurality of frequency ranges of generation through frequency-division section, according to the amplifying parameters information that receives, each frequency range is amplified the comprehensive one-tenth of each frequency range after amplifying again three digital signal.
Specifically be provided with digital filter in the acoustic processing module, can realize by software, utilize filter that the second digital signal frequency-division section is handled, second digital signal is divided into a plurality of independent frequency zone, specifically can be referred to as passage by frequency field.In each passage, according to the situation of patient's hearing impairment,, the different frequency composition is used different compression algorithms for the in addition different processing and amplifying of different frequency range, become three digital signal with each passage is comprehensive more at last.
In the present embodiment, step 30, acoustic processing module are carried out noise removing with first digital signal and are handled generation second digital signal, specifically can comprise the steps:
First digital signal is carried out the periodic noise elimination to the acoustic processing module and broadband noise is eliminated processing generation second digital signal.
Because the normally many discrete spectrum peaks of periodic noise derive from the periodic operation of engine.Electrical equipment disturbs, and particularly 50～60Hz hum also can cause periodic noise.Can eliminate cycle noise and the high-frequency sound more than the 3500Hz by band pass filter is set.Can be by subtracting the elimination of spectrum algorithm realization to broadband noise, its basic principle is directly to deduct noise from noisy speech.At first first digital signal is carried out Nonlinear Processing, constantly regulate by sef-adapting filter again.For example noisy speech sequence S (n) obtains spectrum component Sk (w) and Dk (w) with noise sequence d (n) through Fourier transform, noise component(s) Dk (w) subtracts each other with noisy speech through after the filtering, add the phase place of noisy speech, revert to time-domain signal through Fourier inversion.
In the present embodiment, second voice signal that step 60, speech play module will receive is play, and specifically can comprise:
Second voice signal that wired earphone, wireless headset or loud speaker will receive is play.
Usually be provided with wired earphone interface, wireless headset interface (as blue tooth interface) and loud speaker on the portable terminal, can utilize the resource of portable terminal that the speech play module is set.
The mobile terminal structure schematic diagram that Fig. 2 provides for the embodiment of the invention.As shown in Figure 2, the portable terminal that present embodiment provides specifically can be realized each step of the hearing aid processing method of the portable terminal that any embodiment of the present invention provides, and this repeats no more.
The portable terminal that present embodiment provides specifically comprises: microphone module 11, communication module 12 and speech play module 13.Also comprise controller 14, analog-to-digital conversion module 15, acoustic processing module 16 and D/A converter module 17.Controller 14 is used for according to the model selection information that receives, and triggers analog-to-digital conversion module 15 and receives first voice signal from microphone module 11 or communication module 12.Analog-to-digital conversion module 15 is used for first voice signal is generated first digital signal through analog-to-digital conversion process, and sends.Acoustic processing module 16 is used for that first digital signal is carried out noise removing and handles generation second digital signal, according to the amplifying parameters information that receives, second digital signal is generated three digital signal through compensation deals, and sends.The three digital signal that D/A converter module 17 is used for receiving is handled through digital-to-analogue conversion and is generated second voice signal, and sends.Second voice signal that speech play module 13 is used for receiving is play.
The portable terminal that present embodiment provides, controller 14 is according to the model selection information that receives, trigger analog-to-digital conversion module 15 and receive first voice signal from microphone module 11 or communication module 12, analog-to-digital conversion module 15 generates first digital signal with first voice signal through analog-to-digital conversion process, the acoustic processing module is carried out noise removing with 16 first digital signals and is handled generation second digital signal, according to the amplifying parameters information that receives, second digital signal is generated three digital signal through compensation deals, the three digital signal that D/A converter module 17 will receive is handled through digital-to-analogue conversion and is generated second voice signal, and by 13 broadcasts of speech play module, realized hearing-aid function is incorporated in the portable terminal, the user only need carry hearing aid and the communication function that portable terminal just can be realized, need not additionally to carry hearing aids, reduced to take up room.Hearing-aid function is realized on the existing hardware foundation of portable terminal, has been improved resource utilization.And, when the user communicates by portable terminal, in communication process, also can handle the voice signal that produces in the communication process, to reach the purpose of hearing aid, improved portable terminal to special population or in the result of use of special occasions.
In the present embodiment, acoustic processing module 16 specifically can also be used for the frequency range according to second digital signal, second digital signal is handled a plurality of frequency ranges of generation through frequency-division section, according to the amplifying parameters information that receives, each frequency range is amplified the comprehensive one-tenth of each frequency range after amplifying again three digital signal.
In the present embodiment, acoustic processing module 16 can also be used for that specifically first digital signal is carried out the periodic noise elimination and broadband noise is eliminated processing generation second digital signal.
In the present embodiment, speech play module 13 is specifically as follows wired earphone, wireless headset or loud speaker.
In the present embodiment, portable terminal specifically can also comprise JTAG (Joint Test Action Group, joint test behavior tissue) interface module, can be used for program updates.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. the hearing aid processing method of a portable terminal is characterized in that, comprising:
Controller triggers analog-to-digital conversion module and receives first voice signal from microphone module or communication module according to the model selection information that receives;
Described analog-to-digital conversion module generates first digital signal with described first voice signal through analog-to-digital conversion process, and sends;
The acoustic processing module is carried out noise removing with described first digital signal and is handled generation second digital signal;
Described acoustic processing module generates three digital signal with described second digital signal through compensation deals according to the amplifying parameters information that receives, and sends;
The three digital signal that D/A converter module will receive is handled through digital-to-analogue conversion and is generated second voice signal, and sends;
Described second voice signal that the speech play module will receive is play.
2. the hearing aid processing method of portable terminal according to claim 1 is characterized in that, described acoustic processing module generates three digital signal with described second digital signal through compensation deals according to the amplifying parameters information that receives, and comprising:
Described acoustic processing module is according to the frequency range of described second digital signal, described second digital signal is handled a plurality of frequency ranges of generation through frequency-division section, according to the described amplifying parameters information that receives, each described frequency range is amplified the described three digital signal of the comprehensive one-tenth of each frequency range after amplifying again.
3. the hearing aid processing method of portable terminal according to claim 1 is characterized in that, described acoustic processing module is carried out noise removing with described first digital signal and handled generation second digital signal, comprising:
Described first digital signal is carried out the periodic noise elimination to described acoustic processing module and broadband noise is eliminated described second digital signal of processing generation.
4. the hearing aid processing method of portable terminal according to claim 1 is characterized in that, described second voice signal that described speech play module will receive is play, and comprising:
Described second voice signal that wired earphone, wireless headset or loud speaker will receive is play.
5. portable terminal, comprising: microphone module, communication module and speech play module is characterized in that: also comprise controller, analog-to-digital conversion module, acoustic processing module and D/A converter module;
Described controller is used for according to the model selection information that receives, and triggers analog-to-digital conversion module and receives first voice signal from microphone module or communication module;
Described analog-to-digital conversion module is used for described first voice signal is generated first digital signal through analog-to-digital conversion process, and sends;
Described acoustic processing module is used for that described first digital signal is carried out noise removing and handles generation second digital signal, according to the amplifying parameters information that receives, described second digital signal is generated three digital signal through compensation deals, and sends;
Described D/A converter module, the three digital signal that is used for receiving is handled through digital-to-analogue conversion and is generated second voice signal, and sends;
Described speech play module is used for described second voice signal that receives is play.
6. portable terminal according to claim 5, it is characterized in that: described acoustic processing module also is used for the frequency range according to described second digital signal, described second digital signal is handled a plurality of frequency ranges of generation through frequency-division section, according to the described amplifying parameters information that receives, each described frequency range is amplified the described three digital signal of the comprehensive one-tenth of each frequency range after amplifying again.
7. portable terminal according to claim 5 is characterized in that: described acoustic processing module is used for that also described first digital signal is carried out the periodic noise elimination and broadband noise is eliminated described second digital signal of processing generation.
8. portable terminal according to claim 5 is characterized in that: described speech play module is wired earphone, wireless headset or loud speaker.
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| CN2011102772084A CN102300002A (en) | 2011-09-19 | 2011-09-19 | Mobile terminal and hearing aiding processing method thereof |
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Cited By (6)
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| CN102724360A (en) * | 2012-06-05 | 2012-10-10 | 创扬通信技术（深圳）有限公司 | Method and device for implementation of hearing-aid function of mobile phone and hearing-aid mobile phone |
| CN104159181A (en) * | 2014-07-31 | 2014-11-19 | 安百特半导体有限公司 | Hearing aid method with autonomous adjusting function and system |
| CN104735232A (en) * | 2013-12-18 | 2015-06-24 | 深圳桑菲消费通信有限公司 | Method and device for achieving hearing-aid function on mobile terminal |
| CN106303060A (en) * | 2016-08-24 | 2017-01-04 | 覃嘉雯 | A kind of mobile phone of automatic regulating lightness |
| CN106550302A (en) * | 2015-09-16 | 2017-03-29 | 半导体元件工业有限责任公司 | A kind of semiconductor device |
| CN111771507A (en) * | 2020-07-15 | 2020-10-16 | 青岛农业大学 | Vehicle-mounted potato yield measuring method |
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| CN106303060A (en) * | 2016-08-24 | 2017-01-04 | 覃嘉雯 | A kind of mobile phone of automatic regulating lightness |
| CN111771507A (en) * | 2020-07-15 | 2020-10-16 | 青岛农业大学 | Vehicle-mounted potato yield measuring method |
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Application publication date: 20111228 |