Far field voice wake-up system

A voice wake-up and far-field technology, applied in voice analysis, voice recognition, instruments, etc., can solve problems such as inaccurate recognition, smart device wake-up recognition is susceptible to interference, etc., to improve stability, improve user experience, and increase wake-up rate Effect

Inactive Publication Date: 2019-03-08
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a far-field voice wake-up system to solve the current problem that the wake-up recognition of smart devices is susceptible to interference and inaccurate recognition under different noise environments

Method used

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  • Far field voice wake-up system

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Embodiment

[0026] The far-field voice wake-up system proposed in the embodiment of the present invention, the operating system used is: Android 8.0, the microphone module is: the number of microphone chips is preferably 4, the distance between adjacent microphone chips is 3.5 cm, and the chip platform For: MST848.

[0027] The processing module performs processing according to the following algorithms: no processing, echo cancellation algorithm processing, beamforming algorithm processing, de-reverberation algorithm processing and noise reduction algorithm processing.

[0028] This embodiment adopts 4 microphone chips arranged in a linear array as the sound collection module, and the collected 4-way voice data is sent to the voice processing module, and the voice processing module includes parallel four-way processing flows, which are: no processing, echo Eliminate algorithm processing, perform beamforming algorithm processing, and perform de-reverberation algorithm processing. The four...

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Abstract

The invention provides a far-field voice wake-up system, belonging to the field of the voice wake-up of a smart device. The problem that the wake-up identification of the smart device is easily disturbed and the recognition is inaccurate under different noise environments is solved. The technical solution is that the system includes a microphone module, a voice processing module and a wake-up engine module, the voice processing module includes multiple parallel processing modules which process voice recognition information by using different algorithms and transmit processing results to the wake-up engine module, the wake-up engine module includes multiple wake-up recognition modules corresponding to the multiple parallel processing modules, the multiple wake-up recognition modules are used for performing recognition processing of a voice wake-up command on the corresponding processing results through the wake-up recognition modules after receiving the processing results, and a smart device where the system is located can be woken up by recognized voice recognition information if at least one processing result is successfully identified.

Description

technical field [0001] The invention relates to a voice processing technology, in particular to the technology of a far-field voice wake-up system. Background technique [0002] With the development of science and technology, smart devices are more and more widely used, and the application of voice wake-up technology on smart devices is also more and more common. As users have higher and higher requirements for voice wake-up experience, users are no longer only satisfied with the wake-up experience of near-field voice, but also begin to pursue the wake-up experience of far-field voice. [0003] Compared with the wake-up of near-field voice, the wake-up of far-field voice encounters more difficulties, such as environmental noise, reverberation, other people's speech interference, etc., which will affect the recognition of the user's wake-up command by the smart device, resulting in a higher wake-up rate of the smart device. decrease. Now there are many algorithms that can p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/22G10L15/20G10L21/02
CPCG10L21/0202G10L15/20G10L15/22G10L2015/223
Inventor 李超凡黄为
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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