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Uighur speech recognition method and device

A Uyghur language and speech frame technology, applied in the field of Uyghur speech recognition methods and devices, can solve the problems of low speech recognition accuracy and insufficient Uyghur corpus, and achieve the effect of streamlining the structure and improving efficiency

Active Publication Date: 2018-12-28
TSINGHUA UNIV
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Problems solved by technology

[0005] This application provides a Uighur language speech recognition method and device to solve the problems of insufficient Uighur language corpus and low accuracy of speech recognition in the prior art

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  • Uighur speech recognition method and device
  • Uighur speech recognition method and device
  • Uighur speech recognition method and device

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Embodiment Construction

[0048] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0049] refer to figure 1 , showing a method for Uighur speech recognition of the present application, including:

[0050] Step 101: Obtain the high-dimensional nonlinear feature space distribution corresponding to the Uyghur speech frame under the Chinese acoustic model.

[0051]The acoustic features corresponding to the Uighur speech frames are input into the Chinese acoustic model as the parameters of the Chinese acoustic model in the adaptive acoustic model, and the acoustic features corresponding to the Uighur speech frames under the Chinese acoustic model are transformed through linear transformation and nonlinear transformation To the high-dimensional nonlinear feature space distribution of the Ch...

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Abstract

The invention provides a Uighur language voice recognition method and device. The method comprises the following steps of taking acoustic features corresponding to Uighur language voice frames as parameters of Chinese acoustic models in self-adaption acoustic models and inputting the parameters; converting the acoustic features corresponding to the Uighur language voice frames under the Chinese acoustic models into high-dimensional nonlinear feature space distribution through linear conversion and nonlinear conversion; taking the high-dimensional nonlinear feature space distribution of the Chinese acoustic models corresponding to the Uighur language voice frames as parameters of the Uighur language acoustic models in the self-adaption acoustic models and inputting the parameters into the Uighur language acoustic models; training the Uighur language acoustic models to obtain reconfigured self-adaption acoustic models; screening the reconfigured self-adaption acoustic models by a genetic algorithm or an enumerative algorithm to obtain an optimal self-adaption acoustic model; and recognizing Uighur language voice by using the optical self-adaption acoustic model. The problems of insufficient Uighur language materials and low voice recognition accuracy are solved.

Description

technical field [0001] The present application relates to the technical field of speech recognition, in particular to a Uighur speech recognition method and device. Background technique [0002] Currently, the Uighur Autonomous Region accounts for a large proportion of Xinjiang's population. The official languages ​​in Xinjiang are Chinese and Uyghur. Due to the phonetic characteristics of Uyghur, the language difference between Uyghur and Chinese is very large, which makes the development and application of minority language information technology an indispensable part of Xinjiang's informatization construction. important aspect. [0003] It is of great research significance to study the speech recognition of Uyghur language. So far, there is no foreign institution (including multinational companies such as Microsoft and IBM) engaged in the development of Uyghur language information processing and Uyghur language speech recognition system, so the current international res...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L15/00G10L15/06G10L15/065G10L25/39
CPCG10L15/005G10L15/063G10L15/065G10L25/39
Inventor 王东殷实赵梦原张之勇张雪薇
Owner TSINGHUA UNIV