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Voice noise reduction method and device, equipment and medium

A voice noise reduction and voice technology, applied in voice analysis, instruments, etc., can solve the problems of poor noise reduction effect, low voice wake-up rate and recognition rate, etc., and achieve the effect of improving noise reduction effect, wake-up rate and recognition rate.

Active Publication Date: 2020-04-07
SOUNDAI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present disclosure provide a voice noise reduction method, device, equipment, and medium, which can solve the problem of poor noise reduction effect and poor voice wake-up rate and recognition rate after noise reduction using the same noise reduction algorithm in related technologies. low problem

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  • Voice noise reduction method and device, equipment and medium
  • Voice noise reduction method and device, equipment and medium
  • Voice noise reduction method and device, equipment and medium

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Embodiment Construction

[0076] In order to make the purpose, technical solution and advantages of the present disclosure clearer, the implementation manners of the present disclosure will be further described in detail below in conjunction with the accompanying drawings.

[0077] figure 1 is a schematic diagram of a speech noise reduction system provided by an embodiment of the present disclosure, see figure 1 In (a), the voice noise reduction system may include the voice collection device 110 and the computer device 120, or the computer device 120 alone.

[0078] When the speech noise reduction system includes a speech collection device 110 and a computer device 120, the speech collection device 110 can be connected to the computer device 120 through a network or a data line. Wherein, the voice collection device 110 may have a voice collection function, and may collect voices to be noise-reduced in various environments, specifically, the various environments may include a compartment of a driving v...

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Abstract

The invention provides a voice noise reduction method and device, equipment and a medium, and belongs to the technical field of voice. According to the invention, the gain modulation information of the to-be-denoised voice is obtained according to the probability distribution of the to-be-denoised voice and the modulation gain function corresponding to each noise type, and then the to-be-denoisedvoice is denoised according to the gain modulation information. Because noise time domain characteristics, frequency domain characteristics and the like of different noise types are different, different noise reduction processes are needed; compared with the prior art in which the same noise reduction algorithm is used to reduce the noise of the to-be-denoised voice, the situation that the noise types of the noise contained in the to be denoised voice are different is considered; different gain modulation information is acquired according to different noise types of noise contained in the to-be-denoised voice, so that the denoising processes of different to-be-denoised voices are distinguished, more targeted denoising is realized, the denoising effect is improved, and the wake-up rate andthe recognition rate of the denoised voice are improved.

Description

technical field [0001] The present disclosure relates to the field of voice technology, and in particular to a voice noise reduction method, device, equipment and medium. Background technique [0002] In recent years, with the continuous development of voice technology, intelligent voice interaction systems such as smart speakers and vehicle-mounted voice interaction systems have become more and more popular. These intelligent voice interaction systems receive the user's voice and use intelligent voice recognition technology to recognize the received voice. human-computer interaction. In actual use, the user's voice received by the intelligent voice interaction system is often mixed with different types of noise. Glass noise. These noises will affect the wake-up rate and recognition rate of the intelligent voice interaction system, so these voices need to be denoised first. [0003] In the related art, the voice noise reduction method of noise reduction processing is usua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/0208G10L21/0216G10L21/0232G10L25/30
CPCG10L21/0208G10L21/0216G10L21/0232G10L25/30G10L2021/02082G10L2021/02166
Inventor 栾天祥冯大航陈孝良常乐
Owner SOUNDAI TECH CO LTD
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