Method and system for training far-field speech acoustic model

A technology of speech training and acoustic model, which is applied in the field of far-field speech acoustic model training method and system, can solve the problems of wasting near-field training data, spending a lot of time and economic cost, and avoiding time cost and economic cost, reducing time and cost reduction effect

Active Publication Date: 2018-02-09
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to develop speech recognition services, it often takes a lot of time and manpower to record a large amount of data in different environments in different rooms to ensure the performance of the algorithm, which requires a lot of time and economic costs, and wastes a lot of time. near field training data

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  • Method and system for training far-field speech acoustic model
  • Method and system for training far-field speech acoustic model
  • Method and system for training far-field speech acoustic model

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Embodiment Construction

[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative work, all belong to the protection scope of the present application.

[0059] In addition, the term "and / or" in this article is only an association relationship describing associated objects, indicating that there may be three relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, There are three cases of B alone. In addition, the character " / " in this paper generally ind...

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Abstract

The invention provides a method and system for training a far-field speech acoustic model. The method comprises the steps of mixing near-field speech training data and far-field speech training data,and generating mixed speech training data, wherein the far-field speech training data is obtained by performing data enhancement processing on the near-field speech training data; training a deep neural network by using the mixed speech training data, and generating a far-field recognition acoustic model. The method and system provided by the invention can avoid a problem that the recording for far-field speech data needs to speed a lot of time cost and economic cost in the prior art; and the method and system not only reduce the time and economic cost for acquiring the far-field speech data,but also improve the far-field speech recognition effect.

Description

【Technical field】 [0001] This application relates to the field of artificial intelligence, in particular to a far-field speech acoustic model training method and system. 【Background technique】 [0002] Artificial Intelligence (AI) is a new technical science that studies and develops theories, methods, technologies and application systems for simulating, extending and expanding human intelligence. Artificial intelligence is a branch of computer science that attempts to understand the essence of intelligence and produce a new intelligent machine that can respond in a manner similar to human intelligence. Research in this field includes robotics, speech recognition, image recognition, natural language processing and expert systems, etc. [0003] With the continuous development of artificial intelligence, voice interaction is increasingly promoted as the most natural way of interaction. People have more and more demands for voice recognition services. Smart speakers, smart TVs,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/06G10L15/16
CPCG10L15/063G10L15/16G10L15/20G06N3/08G10L15/02G10L21/0208
Inventor 李超孙建伟李先刚
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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