基于DSP的数字语音压缩系统  

System of digital speech compression based on DSP

作　　者：俞斌[1] 

机构地区：[1]湖南工学院电气信息工程系,湖南衡阳421008

出　　处：《国外电子元器件》2007年第8期6-9,共4页International Electronic Elements

摘　　要：给出了基于TMS320C6711 DSP和G.729A语音压缩标准的实时语音压缩和解压系统的设计方案,并给出了系统的软、硬件设计。在TMS320C6711高速平台上实现数字语音信号的实时输入、压缩、解压、输出,只需要移植应用程序,就可以实现其他语音功能的扩展。The design project of real-time speech coding and decoding system based on TMS320C6711 and G.729A are introduced,and the software and hardware of design process are given.At the highspeed platform based on TMS320C6711 DSP, realization of digital speech signals for real-time input, coding,decoding and output is discussed.After the transplantion of application procedure,other speech functions expansion can also implemented.

关 键 词：DSP 语音压缩 码本激励线性预测(CELP) TMS320C6711 

分 类 号：TN912.3[电子电信—通信与信息系统]