用DSP芯片实现变速语音音调的实时处理  

Using DSP Chip to Realize Real Time Processing of the Tone of Speech with Variable Speed

作　　者：刘镇清[1] 刘骁[1] 

机构地区：[1]同济大学声学研究所,上海200092

出　　处：《电声技术》2002年第9期50-52,共3页Audio Engineering

摘　　要：介绍了一种基于语音信号中前后波形相关性对变速播放的语音音调进行实时处理的方法,并用DSP芯片TMS320C542设计了处理系统,取得了良好的效果。An approach for real time processing of restoring the pitch of speed-changed speech is introduced in this paper.Based on the correlation of speech signal,the processing sys-tem is designed with DSP TMS320C542.This system works well and proves to be good and reli-able.

关 键 词：DSP芯片 变速语音 音调 实时处理 TMS320C542芯片 数字信号处理器 

分 类 号：TN912.3[电子电信—通信与信息系统]