在32 kbps的CVSD和64 kbps的PCM之间的全数字代码转换技术

Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI:10.1109/TENCON.1993.327915

Jun Yang, C. Feng, Kun Tang, Ling Nu

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摘要

提出了一种实现32kbps CVSD编码信号与64kbps标准PCM编码信号相互转换的全数字技术。与现有的码转换方案相比，我们提出的技术在稳态模式下(即在没有传输错误的情况下)，无论串联转码的数量如何，都可以全面消除累积失真。因此，该算法可以提高电话网络的性能

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An all-digital code conversion technique between 32 kbps CVSD and 64 kbps PCM

An all-digital technique for mutual conversion between 32 kbps CVSD encoded signals and 64 kbps standard PCM encoded signals has been proposed. Compared with the existing code conversion schemes, our proposed technique overall eliminates cumulative distortion regardless of the number of the tandem transcodings in the steady state mode (i.e., in the absence of transmission errors). Thus, the algorithm can enhance the performance of the telephone networks.<>

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Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation

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