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vsat wei xing tong xin shu zi hua yin ya suo bian ma ji shu de fa zhan he ying yong
Author(s): 
Pages: 1-4
Year: Issue:  3
Journal: Wireless Communication Technology

Keyword:  VSAT网络话音压缩编码发展应用;
Abstract: 本文简要回顾了数字话音编码技术的发展概况。主要介绍话音压缩编码的基本原理,以及当前国际上在VSAT卫星通信网络中开始使用的几种压缩编码方式:LPC、RELP、MELP、CELP和JCMB。最后,将几种参量编码与常规波形编码的性能进行了对比,展现出话音压缩编码的良好性能和发展前景。
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