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Method and system for achieving automatic voice classification

An automatic classification and speech technology, applied in speech analysis, speech recognition, instruments, etc., can solve the problems of heavy manual workload and subjectivity of results, and achieve the effect of improving accuracy and reducing manual workload

Active Publication Date: 2016-03-23
IFLYTEK CO LTD
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AI Technical Summary

Problems solved by technology

[0006] The existing voice classification methods generally give the corresponding voice data types by manually listening to the voice data. When there are many voice data, the manual workload is relatively large, and the results given are also subjective.

Method used

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  • Method and system for achieving automatic voice classification
  • Method and system for achieving automatic voice classification
  • Method and system for achieving automatic voice classification

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Embodiment Construction

[0062] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0063] Such asfigure 1 Shown is the flow chart of the method for realizing automatic voice classification in the embodiment of the present invention, comprising the following steps:

[0064] Step 101, receiving speech data to be classified.

[0065] The voice data may be obtained from recordings, such as conference recordings, interview recordings, and the like.

[0066] Step 102, performing speech recognition on the to-be-classified speech data to obtain recognized text.

[0067] The specific recognition method is as follows: first, endpoint detection is performed on the speech data to obtain the starting point and the end point of the effective speech segment; then feature extraction is performed on the effec...

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Abstract

The invention discloses a method and system for achieving automatic voice classification. The method includes the steps of receiving to-be-classified voice data, carrying out voice recognition on the to-be-classified voice data to obtain recognition texts, carrying out acoustic analysis on the to-be-classified voice data to obtain classification characteristics in acoustics, carrying out content analysis on the recognition texts to obtain classification characteristics in content, classifying the to-be-classified voice data by means of the classification characteristics in acoustics, the classification characteristics in content and a pre-built voice classification model to obtain the type of the to-be-classified voice data. By means of the method and system, workloads of workers can be reduced, and classification accuracy of the voice data is improved.

Description

technical field [0001] The invention relates to the field of voice signal processing, in particular to a method and system for realizing automatic voice classification. Background technique [0002] With the development of speech technology, automatic speech recognition technology has been widely used in various fields of life, and various practical speech recognition systems have emerged, such as speech transcription systems. However, due to different application requirements, speech recognition There are also various types of voice data, such as conference recordings and interview recordings in which many people speak. For different types of speech data, the content of the recognized text is quite different, and there are also many ways to display the recognized text. For example, the recognition result of the speech data of the dialogue type is "What are you eating at noon today? How about the beef noodles? It will take a long time to queue up." , you can queue up in adv...

Claims

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Application Information

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IPC IPC(8): G10L15/02G10L15/08G10L15/26
Inventor 胡尹潘青华高建清胡国平胡郁刘庆峰
Owner IFLYTEK CO LTD
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