电声技术 AUDIO ENGINEERING 1999年第12期No.121999CELP语音编码与TMS320C54x李镐炜, 黄芝平, 王跃科【摘 要】介绍了码激励线性预测(CELP)编码的基本原理和新近推出的TMS320C54x定点DSP芯片,结合其指令特点探讨了TMS320C54x在实现CELP类语音编码方案的一些有效的编程方法。【关键词】 码激励线性预测; 语音编码; 数字信号处理; TMS320C54x【Abstract】 The fundamentals of code-excited linear prediction(CELP) speech coding as wall as the novel fixed-point DSP TMS320C54x are presented Combined with the distinctive instruction set of TMS320C54x, some effective programming methods applied in the implementation of