Realization of Speech Recognition System Based on Digital Signal Processor

被引：0
|
作者：
Yu Shicai [1 ]
Zhang Baofeng [1 ]
机构：
[1] Lanzhou Univ Technol, Coll Comp & Commun, Lanzhou, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON COMPUTERS, COMMUNICATIONS, CONTROL AND AUTOMATION (CCCA 2011), VOL III | 2010年
关键词：
Speech recognition; Digital signal processor (DSP); Endpoint detection; Power spectrum; Template threshold;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper introduces a method of designing and realizing a real-time speech recognition system. Its hardware's processor is TMS320VC5402 and speech interface chip is TLC320AD50C. The system introduced hardware realization and algorithm processing by spectral subtraction for front-end de-noising processing, speech endpoint detection according to the spectral entropy, and high-speed template matching applying templates threshold. Experimental results show that the speech recognition system has not only good recognition rate and anti-jamming performance but also characteristic of real-time.
引用
收藏
页码：317 / 319
页数：3
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