节点文献
高能谐次波提取对语音压缩和频率变换的贡献
THE CONTRIBUTION OF HIGH ENERGY WAVE EXTRACTION IN THE SCOPE OF SPEECH COMPRESSION AND FREQUENCY CHANGE
【摘要】 该文介绍了提取语音信号中最具特征表现力的高能谐次波的方法,通过Matlab模拟,实现了高压缩比的语音压缩与恢复。同时给出了用DSP实现该算法的硬件结构与软件编程。
【Abstract】 This paper presents an extracting method of high energy wave, which takes most of voice feature in speech signals. Through Matlab simulation high compression rate of speech compression and recovery is implemented. Also, the hardware interface and software program of algorithm implemention with DSP are supplied.
【关键词】 数字信号处理;
高能谐次波;
语音压缩;
【Key words】 DSP(Digital Signal Process); High energy wave; Speech compression;
【Key words】 DSP(Digital Signal Process); High energy wave; Speech compression;
【基金】 天津市教委通信与信息系统重点学科论文出版基金项目(2000-03)。
- 【文献出处】 中国电机工程学报 ,Proceedings of the Csee , 编辑部邮箱 ,2002年11期
- 【分类号】TN912.3
- 【被引频次】2
- 【下载频次】69