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A Method of Voice Evaluation

A voice and voice library technology, applied in voice analysis, voice recognition, instruments, etc., can solve the problem of not being able to cover other spoken language features, and achieve the effect of improving the spoken language level

Active Publication Date: 2020-11-24
TSINGHUA UNIV +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a method of speech evaluation to solve the problem that the existing speech evaluation can only reflect the accuracy of pronunciation but cannot cover other spoken language features

Method used

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0017] In order to solve the problem that the existing speech evaluation method can only evaluate the pronunciation accuracy, but cannot cover the rest of the characteristics of the spoken language, the embodiment of the present invention proposes a speech evaluation method based on the three aspects of rhythm, pitch and intonation Evaluate speech...

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Abstract

The embodiment of the present invention provides a pronunciation evaluation method including evaluating a pronunciation to be evaluated according the length, the pitch feature, and the posterior probability of each phoneme in the pronunciation to be evaluated, and the length, the pitch feature, and the posterior probability of each phoneme in a reference pronunciation corresponding to the pronunciation to be evaluated. The pronunciation evaluation method provided by the embodiment of the present invention uses the reference pronunciation as a measurement standard, evaluates the pronunciation to be evaluated from three aspects including the length, the pitch feature, and the posterior probability, can comprehensively reflect the speaking level of a speaker in order that the speaker can understand his / her speaking defects from different angles so as to improve his / her speaking level.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of voice recognition and evaluation, and in particular, to a voice evaluation method. Background technique [0002] The current economic development and cultural exchanges require higher and higher foreign language ability of individuals. How to acquire foreign language skills quickly and efficiently is an urgent problem to be solved in language education. [0003] The increasingly developed computer technology, especially artificial intelligence technology, is an important way to achieve efficient language learning. For example, computer-aided language learning technology can quickly evaluate learners' oral English and point out specific mistakes, so that learners can practice and improve in a targeted manner. [0004] Most of the current speech evaluation technologies are based on the GOP (Goodness Of Pronunciation) algorithm. Given the speech to be evaluated and the corresponding ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L15/01G10L15/02G10L25/78
CPCG10L15/01G10L15/02G10L25/78G10L2015/025
Inventor 汤志远王东
Owner TSINGHUA UNIV
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