Speech similarity detection method and apparatus

A detection method and similarity technology, applied in the computer field, can solve the problems of great influence of scoring results, difficulty in accurately distinguishing pitch changes, and low accuracy of voice similarity scoring, so as to strengthen the investigation and improve the accuracy.

Active Publication Date: 2017-07-07
广州孩教圈信息科技股份有限公司
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Problems solved by technology

However, this method has the disadvantages that it is difficult to accurately distinguish pitch changes, is sensitive to the difference in volume and vocal characteristics

Method used

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  • Speech similarity detection method and apparatus
  • Speech similarity detection method and apparatus
  • Speech similarity detection method and apparatus

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Embodiment Construction

[0054] 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 creative efforts fall within the protection scope of the present invention.

[0055] see figure 1 , is a schematic flow chart of an embodiment of the speech similarity detection method provided by the present invention, including:

[0056] S1, collecting audio data of voice;

[0057] S2. Extract audio feature parameters from the audio data; the audio feature parameters include spectral coefficients and sound intensity;

[0058] S3. Comparing the audio characteristic parameters with pre-extracted audio characteristic parameters of the origi...

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Abstract

The invention discloses a speech similarity detection method. The method comprises: collecting audio frequency data of a speech; extracting audio frequency feature parameters, including a frequency spectrum coefficient and a sound intensity, from the audio data; and comparing the audio frequency feature parameters with re-extracted audio frequency feature parameters of an original audio unit to obtain a similarity degree between the speech and the original audio unit. Correspondingly, the invention also discloses a speech similarity detection apparatus. Therefore, the accuracy of speech similarity detection can be improved.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and device for detecting voice similarity. Background technique [0002] In the prior art, the basic principle of the commonly used voice similarity scoring method is to perform spectral analysis on the original audio and input audio data respectively to obtain the spectral features of the voice, and then compare the two spectral features to obtain the similarity between the two voices. degree score. However, this method has the disadvantages that it is difficult to accurately distinguish pitch changes, is sensitive to the difference in volume and vocal characteristics of different human bodies, and the completeness of imitation and reading has a great impact on the scoring results, which leads to low accuracy of the voice similarity score . Contents of the invention [0003] Embodiments of the present invention provide a voice similarity detection method and devic...

Claims

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Application Information

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IPC IPC(8): G10L25/51G10L25/60G10L25/18G10L25/24G10L21/0208
CPCG10L21/0208G10L25/18G10L25/24G10L25/51G10L25/60
Inventor 赵志宏叶生
Owner 广州孩教圈信息科技股份有限公司
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