CN202749088U - Voice reinforcing system using blind source separation algorithm - Google Patents
Voice reinforcing system using blind source separation algorithm Download PDFInfo
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- CN202749088U CN202749088U CN 201220391547 CN201220391547U CN202749088U CN 202749088 U CN202749088 U CN 202749088U CN 201220391547 CN201220391547 CN 201220391547 CN 201220391547 U CN201220391547 U CN 201220391547U CN 202749088 U CN202749088 U CN 202749088U
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Abstract
The utility model provides a voice reinforcing system using a blind source separation algorithm. The voice reinforcing system using the blind source separation algorithm comprises a microphone element 1, an analog-to-digital converter 1, a microphone element 2, an analog-to-digital converter 2, a microphone element 3, an analog-to-digital converter 3, a microphone element 4, an analog-to-digital converter 4, a DSP (digital signal processor) controller, a single chip machine, a display module, a keyboard module, an analog-to-digital converter and a sound equipment interface, wherein the microphone element 1 is connected with the DSP controller by the analog-to-digital converter 1, the microphone element 2 is connected with the DSP controller by the analog-to-digital converter 2, the microphone element 3 is connected with the DSP controller by the analog-to-digital converter 3, the microphone element 4 is connected with the DSP controller by the analog-to-digital converter 4, the DSP controller is connected with the sound equipment interface by the analog-to-digital converter, and the DSP controller is connected with the display module and the keyboard module by the single chip machine. A sound signal in a space is collected by the four-element microphone array, and a voice source signal and a noise source signal in the sound signal are separated by a built-in voice reinforcing algorithm, so as to inhibit active noise containing the noise of the same sound channel, and further inhibit the residual background noise.
Description
Technical field
The utility model relates to a kind of speech-enhancement system, particularly a kind of speech-enhancement system of blind source separation algorithm.
Background technology
It is an important topic of current multimedia technology that voice strengthen.Speech-enhancement system mainly is based on the traditional voice enhancing algorithm of spectrum-subtraction, auto adapted filtering method, least mean-square error etc. at present, and fewer based on the speech-enhancement system of blind source separation algorithm, this is the deficiencies in the prior art parts.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of speech-enhancement system of blind source separation algorithm, the speech-enhancement system of described a kind of blind source separation algorithm is by microphone array element 1, analog to digital converter 1, microphone array element 2, analog to digital converter 2, microphone array element 3, analog to digital converter 3, microphone array element 4, analog to digital converter 4, dsp controller, single-chip microcomputer, display module, Keysheet module, digital to analog converter and stereo set interface form; Microphone array element 1 connects dsp controller by analog to digital converter 1, microphone array element 2 connects dsp controller by analog to digital converter 2, microphone array element 3 connects dsp controller by analog to digital converter 3, microphone array element 4 connects dsp controller by analog to digital converter 4, dsp controller is by digital to analog converter connecting sound equipment equipment interface, and dsp controller connects display module and Keysheet module by single-chip microcomputer.
The beneficial effects of the utility model are: by the voice signal in the quaternary microphone array collection space, and the speech source signal of inciting somebody to action wherein by built-in voice enhancement algorithm separates with the noise source signal, to suppress to include with the sound channel noise at interior active noise, further suppress simultaneously remaining ground unrest.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Referring to Fig. 1, the speech-enhancement system of described a kind of blind source separation algorithm is by microphone array element 1, analog to digital converter 1, microphone array element 2, analog to digital converter 2, microphone array element 3, analog to digital converter 3, microphone array element 4, analog to digital converter 4, dsp controller, single-chip microcomputer, display module, Keysheet module, digital to analog converter and stereo set interface form; Microphone array element 1 connects dsp controller by analog to digital converter 1, microphone array element 2 connects dsp controller by analog to digital converter 2, microphone array element 3 connects dsp controller by analog to digital converter 3, microphone array element 4 connects dsp controller by analog to digital converter 4, dsp controller is by digital to analog converter connecting sound equipment equipment interface, and dsp controller connects display module and Keysheet module by single-chip microcomputer.
Claims (1)
1. the speech-enhancement system of a blind source separation algorithm, it is characterized in that: the speech-enhancement system of described a kind of blind source separation algorithm is by microphone array element 1, analog to digital converter 1, microphone array element 2, analog to digital converter 2, microphone array element 3, analog to digital converter 3, microphone array element 4, analog to digital converter 4, dsp controller, single-chip microcomputer, display module, Keysheet module, digital to analog converter and stereo set interface form; Microphone array element 1 connects dsp controller by analog to digital converter 1, microphone array element 2 connects dsp controller by analog to digital converter 2, microphone array element 3 connects dsp controller by analog to digital converter 3, microphone array element 4 connects dsp controller by analog to digital converter 4, dsp controller is by digital to analog converter connecting sound equipment equipment interface, and dsp controller connects display module and Keysheet module by single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391547 CN202749088U (en) | 2012-08-08 | 2012-08-08 | Voice reinforcing system using blind source separation algorithm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391547 CN202749088U (en) | 2012-08-08 | 2012-08-08 | Voice reinforcing system using blind source separation algorithm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749088U true CN202749088U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220391547 Expired - Fee Related CN202749088U (en) | 2012-08-08 | 2012-08-08 | Voice reinforcing system using blind source separation algorithm |
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| CN (1) | CN202749088U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852903A (en) * | 2016-05-23 | 2016-08-17 | 四川长虹电器股份有限公司 | Double-microphone Bluetooth heart sound enhancing system of stethoscope |
| CN105962967A (en) * | 2016-05-23 | 2016-09-28 | 四川长虹电器股份有限公司 | Heart sound denoising method based on double-microphone stethoscope |
| CN106504763A (en) * | 2015-12-22 | 2017-03-15 | 电子科技大学 | Based on blind source separating and the microphone array multiple target sound enhancement method of spectrum-subtraction |
| CN106531156A (en) * | 2016-10-19 | 2017-03-22 | 兰州交通大学 | Speech signal enhancement technology method based on indoor multi-mobile source real-time processing |
| CN107293305A (en) * | 2017-06-21 | 2017-10-24 | 惠州Tcl移动通信有限公司 | It is a kind of to improve the method and its device of recording quality based on blind source separation algorithm |
| CN110992967A (en) * | 2019-12-27 | 2020-04-10 | 苏州思必驰信息科技有限公司 | Voice signal processing method and device, hearing aid and storage medium |
-
2012
- 2012-08-08 CN CN 201220391547 patent/CN202749088U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504763A (en) * | 2015-12-22 | 2017-03-15 | 电子科技大学 | Based on blind source separating and the microphone array multiple target sound enhancement method of spectrum-subtraction |
| CN105852903A (en) * | 2016-05-23 | 2016-08-17 | 四川长虹电器股份有限公司 | Double-microphone Bluetooth heart sound enhancing system of stethoscope |
| CN105962967A (en) * | 2016-05-23 | 2016-09-28 | 四川长虹电器股份有限公司 | Heart sound denoising method based on double-microphone stethoscope |
| CN106531156A (en) * | 2016-10-19 | 2017-03-22 | 兰州交通大学 | Speech signal enhancement technology method based on indoor multi-mobile source real-time processing |
| CN107293305A (en) * | 2017-06-21 | 2017-10-24 | 惠州Tcl移动通信有限公司 | It is a kind of to improve the method and its device of recording quality based on blind source separation algorithm |
| CN110992967A (en) * | 2019-12-27 | 2020-04-10 | 苏州思必驰信息科技有限公司 | Voice signal processing method and device, hearing aid and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130808 |