Voice recognition system

A speech recognition and speech technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problems of low reliability of speaker recognition and the inability of speech products to be widely used, and achieve the effect of improving detection reliability.

Active Publication Date: 2013-08-07
BOE TECH GRP CO LTD +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the reliability of the speaker identification technology in the existing technology is not high, so the voice products using speaker detection cannot be widely used

Method used

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Embodiment Construction

[0029] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0030] figure 1 It is a schematic structural diagram of the speech recognition system described in a specific embodiment of the present invention. Such as figure 1 As shown, the speech recognition system includes:

[0031] a storage unit 10, configured to store at least one user's speech model;

[0032] Voice collection and preprocessing unit 20, used to collect voice signals to be recognized, and perform format conversion and encoding on the voice signals to be recognized;

[0033] A feature extraction unit 30, configured to extract speech feature parameters from the encoded speech signal to be recognized;

[0034] The pattern matching unit 40 is configured to match the extracted speech feature parameters with at least one speech ...

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Abstract

The invention provides a voice recognition system comprising a storage unit, a voice acquisition and pre-processing unit, a feature extraction unit and a pattern matching unit, wherein the storage unit is used for storing at least one user's voice model; the voice acquisition and pre-processing unit is used for acquiring a to-be-identified voice signal, transforming the format of the to-be-identified voice signal and encoding the to-be-identified voice signal; the feature extraction unit is used for extracting voice feature parameters from the encoded to-be-identified voice signal; and the pattern matching unit is used for matching the extracted voice feature parameters with at least one voice model so that the user to which the to-be-identified voice signal belongs is identified. Based on the voice generation principle, voice features are analyzed, MFCC (mel frequency cepstrum coefficient) parameters are used, a speaker voice feature model is established, and speaker feature recognition algorithms are achieved, and thus, the purpose to improve speaker detection reliability can be achieved, and the speaker identification function can be finally realized on an electronic product.

Description

technical field [0001] The invention relates to the technical field of speech detection, in particular to a speech recognition system. Background technique [0002] At present, in the development of electronic products in telecommunications, service industries and industrial production lines, speech recognition technology is used in many products, and a number of novel voice products have been created, such as voice notepads, voice-activated toys, voice remote controllers and home servers. etc., thereby greatly reducing labor intensity, improving work efficiency, and increasingly changing people's daily lives. Therefore, the current speech recognition technology is regarded as one of the most challenging and most promising application technologies in this century. [0003] Speech recognition includes speaker recognition and speaker semantic recognition. The former uses the personality characteristics of the speaker in the speech signal, regardless of the meaning of the word...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/07G10L25/87G10L25/93
CPCG10L25/24G10L15/07G10L17/00G10L15/08G10L15/02G10L19/00
Inventor 王健铭
Owner BOE TECH GRP CO LTD
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