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Voice recognition method and device

A speech recognition and speech frame technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problems of low recognition rate and lack of generalization, and achieve the effect of improving recognition accuracy

Inactive Publication Date: 2017-11-28
GUANGDONG HAIXIANG EDUCATION TECH CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Generally speaking, Ngram-based recognition has high flexibility, but the recognition rate is low
Grammer-based recognition has high recognition accuracy, but it can only recognize the grammatical style specified by the grammatical rules, which is not scalable.

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] The present invention will be described in detail below through specific examples.

[0030] see figure 1 , figure 1 A schematic flow chart of the speech recognition method provided by the embodiment of the present invention,

[0031] S101, receiving an input speech signal, and extracting speech frame features according to the speech signal;

[0032] S102. Perform speech decoding on the input speech signal according to the characteristics of the speec...

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Abstract

The invention provides a voice recognition method and a voice recognition device. The voice recognition method comprises the following steps: receiving an input voice signal, and extracting voice frame characteristics according to the voice signal; according to the voice frame characteristics, carrying out voice decoding on the input voice signal, thus obtaining a voice decoding result, and determining the voice decoding result according to a three-tone sub-acoustic model of each node on a target decoding path; and according to the voice decoding result, determining a semantic analysis result by backtracking each node on the selected decoding path. The voice recognition device comprises a receiving module, a decoding module and an analysis module. According to the voice recognition method and the voice recognition device, the process of integrating voice recognition and semantic analysis is realized, the contradiction that the statistical language model information and grammatical rule information cannot exist at the same time is solved from technical implementation, the recognition precision for the specific instruction recognition is improved, and therefore, the accuracy of voice recognition is improved.

Description

technical field [0001] The invention belongs to the technical field of voice recognition, in particular to a voice recognition method and device. Background technique [0002] The present invention relates to speech recognition technology, more specifically, relates to a speech recognition method and a speech recognition system that realize the integration of sound recognition and semantic understanding by combining recognition based on statistical language model and recognition based on grammatical rules. [0003] As the penetration rate of artificial intelligence products in life is getting higher and higher, the development of technology has become the focus of everyone's concern. As one of the basic ways of natural human-computer interaction, the development of speech recognition has been rapid in recent years. [0004] Speech recognition is the process of converting human voice signals into words or instructions. Speech recognition takes speech as the research object....

Claims

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Application Information

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IPC IPC(8): G10L15/18G10L15/187G10L15/19
CPCG10L15/1815G10L15/187G10L15/19
Inventor 王强
Owner GUANGDONG HAIXIANG EDUCATION TECH CO LTD
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