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矿用数字漏泄移动通信系统中语音编解码的研究与实现

The voice codec research and implementation in the mine digital leakage mobile communication system
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摘要 结合矿井的实际环境讨论了井下数字漏泄移动通信系统中语音编解码方法的选择原则;分析了LD-CELP算法的特点和优势,研究了该算法的性能;给出了在TMS320DM643平台上LD-CELP编解码方法的具体设计方案。 This paper discusses the choice of voice codec principle in the physical environment of mine leaking underground digital mobile communication systems; analyzes the characteristics and advantages of the LD-CELP algorithm, research the performance of the algorithm; at last the paper provides the specific LD--CELP codec design methods based on the TMS320DM643 platform.
出处 《微型机与应用》 2011年第21期89-91,共3页 Microcomputer & Its Applications
关键词 井下数字通信 语音编解码 LD—CELP TMS320DM643 underground mine digital communication voice codec LD-CELP TMS320DM643
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