Abstract: This paper introduces the isolated word speech recognition for system on chip(SoC). The algorithms applied to isolated word speech recognition on SoC are chosen and designed. The paper analyzes and designs the endpoint detection algorithm, LPCC method and DTW method of speech frame. It is helpful towards the research and development on new types of speech recognition SoC and SoPC.

Key words: system on chip(SoC), speech recognition, endpoint detection, LPCC, DTW

摘要： 介绍了孤立词语音识别系统，针对片上系统进行了语音识别算法的选择。对基于语音帧的端点检测算法、线性预测编码倒谱系数LPCC算法和动态时间规整DTW算法进行了分析和设计。对于新型语音识别SoC芯片的开发研制和推动片上可编程系统(SoPC)的研究与发展具有一定的理论和实践意义。

关键词: 片上系统, 语音识别, 端点检测, LPCC, DTW

CLC Number: 

• TN912