在介绍MBE 语音算法以及TMS3201VC5402 定点DSP 芯片的基础之上,详细的讨论了改进的MBE 语音算法以及它在TMS320VC5402 上实时实现的关键技术,实验表明,改进以后的MBE 语音算法在TMS320VC5402 上得到了很好的实时实现。关键词 语音编码;多带激励语音编码; 误差函数; TMS320VC5402Abstract: Based on the introduction of the Multi-Band Excitation coding algorithm and thefixed-point digital signal processor TMS320VC5402, the key technologies of the real timeimplementation on TMS320VC5402 and the improvement on the MBE algorithm are discussed in detail.The result of experiment demonstrate that the MBE coding algorithm based on theTMS320VC5402 can be implemented well in real time.Key words: speech encoding; MBE ; error function; TMS320VC5402
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