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语音时域保密系统的研究
引用本文:周好,严国萍.语音时域保密系统的研究[J].华中科技大学学报(自然科学版),1997(4).
作者姓名:周好  严国萍
作者单位:华中理工大学电子与信息工程系
摘    要:对时域置乱技术作了较深入的探讨。提出将子帧长定为电视场周期的数字式时域保密处理方法,实现了电视伴音加密,最后结合实验,提供了系统中切割噪声和降低加密语音的剩余可懂度两个关键问题的解决途径。

关 键 词:语音保密,时域置乱,剩余可懂度

An Investigation on a Time-Domain Speech Security System
Zhou Hao Yan Guoping.An Investigation on a Time-Domain Speech Security System[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1997(4).
Authors:Zhou Hao Yan Guoping
Abstract:Speech security plays an important role in the field of modern secret communication. An important speech security technology , the time-domain scrambling , is discussed. The basic principle is briefly described and a method of its realization is proposed. On the basis of experiments , some measures to deal with two key problems are given.
Keywords:speech security : time-domain scrambling  residual intelligibility  
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