High-definition voice identification system based on symmetric triode amplification circuit

Abstract

The invention discloses a high-definition voice identification system based on a symmetric triode amplification circuit. The system is composed of a voice acquisition module (8), a master control unit (1), a voice database (2), a feature extraction module (3), a voice recognition module (4), an audio encoding module (7), a preprocessing module (6), and an endpoint detection module (5). The voice database (2), the feature extraction module (3), and the voice recognition module (4) are connected with the master control unit (1); the audio encoding module (7) is connected with the voice acquisition module (8); the preprocessing module (6) is connected with the audio encoding module (7); and the endpoint detection module (5) is connected with the preprocessing module (6). The system is characterized in that a symmetric triode amplification circuit (9) is also connected in series between the endpoint detection module (5) and the master control unit (1). According to the invention, with the symmetric triode amplification circuit, the signal can be amplified without any distortion and thus the system can identify the signal conveniently, thereby improving the identification precision of the system and thus avoiding unnecessary trouble for people caused by wrong identification.

Description

technical field [0001] The invention relates to a speech recognition system, in particular to a high-definition speech recognition system based on a symmetrical triode amplifier circuit. Background technique [0002] Speech recognition, as an interdisciplinary subject, has begun to move from the laboratory to the market in recent years. Today, with the continuous development of science and technology, speech recognition technology has widely entered various fields such as industry, home appliances, communications, automotive electronics, medical care, home services, consumer electronics, etc., bringing huge changes to people's life and production. However, the recognition accuracy of the speech recognition system used in the market is not high, and the phenomenon of wrong recognition is prone to occur, which brings great troubles to people. Contents of the invention [0003] The purpose of the present invention is to overcome the defect that the recognition accuracy of th...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the recognition accuracy of the traditional speech recognition system is not high, and to provide a high-definition speech recognition system based on a symmetrical triode amplifier circuit

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