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介绍了一种基于TMS320C6201的ITU-T G.723.1全双工实时多通道语音编解码的实现.首先简要介绍了G.723.1标准和C6201的芯片结构,然后提出了基于C语言和汇编语言的各种优化方法以降低计算量,最后给出了各个主要模块的性能指标.该实现能够在200MHz的C6201 DSP上实现16路语音信号的实时编解码,完全符合ITU-T G.723.1标准的定点算法,通过了ITU-T的所有测试矢量.
Introduced a TMS320C6201-based ITU-T G. 723.1 Real-time Full-duplex Multichannel Voice Codec Implementation First, a brief introduction of G. 723.1 standard and the chip structure of C6201, and then put forward various optimization methods based on C language and assembly language to reduce the computational complexity. Finally, the performance indexes of each main module are given. This implementation can be realized on C6201 DSP of 200MHz 16-way voice signal real-time encoding and decoding, in full compliance with ITU-TG. 723.1 standard fixed-point algorithm that passed all of the ITU-T test vectors.