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Speech recognition method and device, electronic equipment and storage medium

A speech recognition and storage medium technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problems of low speech signal, high signal-to-noise ratio, and inability to accurately identify the signal-to-noise ratio at the same time.

Pending Publication Date: 2020-11-17
BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
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Problems solved by technology

[0005] The present disclosure discloses a voice recognition method and device, electronic equipment, and storage medium to at least solve the problem in the related art that voices with high SNR and voice signals with low SNR cannot be accurately recognized at the same time

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  • Speech recognition method and device, electronic equipment and storage medium
  • Speech recognition method and device, electronic equipment and storage medium
  • Speech recognition method and device, electronic equipment and storage medium

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Embodiment Construction

[0054]In order to enable ordinary persons in the art to better understand the technical solutions of the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings.

[0055] It should be noted that the terms "first" and "second" in the specification and claims of the present disclosure and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein can be practiced in sequences other than those illustrated or described herein. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consis...

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Abstract

The invention relates to a voice recognition method and device, electronic equipment and a storage medium. The voice recognition method comprises the following steps: acquiring an original voice signal; performing noise reduction on the original voice signal to obtain an enhanced voice signal; respectively extracting voice features of the original voice signal to obtain a first voice feature, andextracting voice features of the enhanced voice signal to obtain a second voice feature; jointly processing the first voice feature and the second voice feature by using a pre-trained acoustic model to obtain a combined state sequence; and decoding the combined state sequence to obtain a voice recognition result. The original voice signal and the voice signal after noise reduction are processed together, so that the accuracy of voice recognition is improved.

Description

technical field [0001] The present disclosure relates to the technical field of voice recognition, and in particular, to a voice recognition method and device, electronic equipment, and a storage medium. Background technique [0002] With the continuous development of artificial intelligence, more and more smart devices and fields have begun to apply speech recognition technology for human-computer interaction. [0003] In related technologies, in order to achieve more robust speech recognition, usually before speech recognition, the speech is denoised first, and then the denoised speech is sent to a recognition system for recognition. Alternatively, by optimizing the acoustic model in the recognition system, the recognition effect of the speech recognition system on speech containing noise is improved. [0004] Although these two methods can improve the recognition effect of noise-containing speech to a certain extent, in the first method, noise reduction through the speec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/20G10L15/02G10L15/06G10L15/22G10L15/26
CPCG10L15/20G10L15/02G10L15/063G10L15/22G10L15/26
Inventor 单亚慧李杰
Owner BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
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