Henan dialect speech recognition system

A technology of speech recognition and speech recognition equipment, applied in speech recognition, speech analysis, instruments, etc., to achieve good market application value, improve operating efficiency and recognition effect

Pending Publication Date: 2017-01-11
XUCHANG UNIV
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Problems solved by technology

At present, domestic speech recognition products basically recogniz

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  • Henan dialect speech recognition system

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[0019] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the drawings and specific embodiments. The drawings show preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. The terms "symmetric", "horizontal", "left", "right" and similar exp...

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Abstract

The invention discloses a Henan dialect speech recognition system, comprising a speech acquisition device, a speech recognition device and a speech determining device, wherein the speech acquisition device receives Henan dialect speech instructions input by an user; the speech recognition device comprises a speech extraction unit and a characteristics compression unit; the speech extraction unit extracts short-time audio characteristics of the Henan dialect according to speech instructions received; audio frame characteristics with similarity meeting preset conditions are found in the speech instructions by the the characteristics compression unit according to the extracted zero-crossing rate, fundamental frequency and Mel frequency cepstrum coefficient characteristics; the speech determining device comprises a speech determining part and a speech output part; one or more optimized candidate recognition characteristics are selected from the audio characteristics by the speech determining part via a Hidden Markov Model ( HMM ) and are output to the speech output part; by adopting the above solution, operation efficiency and recognition effect are increased in the speech recognition system, and thus the system has a good market application value.

Description

technical field [0001] The invention relates to the field of voice recognition, in particular to a Henan dialect voice recognition system. Background technique [0002] Voice is the most common way of human-to-human interaction, and it is also one of the most direct and effective ways. In modern society, the emergence and popularization of computers have changed the living conditions of human beings, and people are becoming more and more accustomed to using computers to complete various daily tasks. We hope that communicating with machines is as convenient as communicating with humans. Computers can not only "hear" human voices, but also "understand" the meaning of voices. The human-computer interaction method that allows computers to understand speech is speech recognition. [0003] Our country has a vast territory and a large population, and each region has its own dialect. There are great differences in tone and pronunciation between dialects and Mandarin, and between ...

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Application Information

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IPC IPC(8): G10L15/14G10L15/00G10L15/02G10L21/0208G10L25/18G10L25/24G10L25/51
CPCG10L15/005G10L15/02G10L15/142G10L21/0208G10L25/18G10L25/24G10L25/51Y02D30/70
Inventor 范雪莉于海龙
Owner XUCHANG UNIV
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