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本文针对ITUG.728标准语音编解码器，提出了一种DSP的实现方法。在简介G.728编解码和DSP芯片TMS320C541基础上，本文主要研究了CELP（LD－CELP）算法在TMS320C541上的实现和实现此算法的一些关键技术，并给出厂实际的仿真结果。
This text aims at ITUG.728 standard speech coder, has put forward a kind of DSP realization method. Based on the introduction of G.728 codec and DSP chip TMS320C541, this paper mainly studies the implementation of CELP (LD-CELP) algorithm on TMS320C541 and some key technologies to achieve this algorithm, and gives the actual simulation results.