多带激励语音压缩算法原理与仿真

Principle and simulation of the multi-band excitation speech compression algori thm

从多带激励语音模型出发 ,介绍了多带激励语音压缩算法原理 ,指出了该模型较LPC等传统声码器模型的优越性 ,并对该算法进行了计算机仿真实现 ,给出了试验结果。最后 ,对仿真结果进行了分析 ,对算法的实用性进行了探讨 ,并在此基础上指出了今后的研究方向。

Based on the multiband excitation speech model,this article expounds the pri nciple of the multiband excitation speech compression algorithm,and shows the superiority of this model over the traditional vocoders model such as LPC vocoder. The method of computer simulation is introduced and the result of t he simulation is given. At the end,the result of the simulation is analyzed, the practicability of the algorithm is discussed and the direction of the resear ch work in the future is pointed out too.