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  • 胡象源.用时域谐波定标的数字语音编码[J].电讯技术,1988,(4): - .    [点击复制]
  • .A digital speech coding with time-domain harmonic scaling[J].,1988,(4): - .   [点击复制]
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用时域谐波定标的数字语音编码
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摘要:
本文给出了一种以9.6Kb/s数据率实时工作的新的数字语音编码器.该系统由时域谐波定标(TDHS)及子频带编码(SBC)两种不同的语音压缩算法组成.阐述了TDHS的基本原理,简述了几种不同的音调检测方法.本文最后对用DSP硬件实时执行该系统的几种方式作了讨论.
关键词:  数字通信网络,语音编码,时域谐波定标
DOI:
基金项目:
A digital speech coding with time-domain harmonic scaling
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Abstract:
This paper gives a new digital speech coder with real time operation at 9.6Kb/s data rate.The system consists of time-domain harmonic scaling(TDHS)and sub-band coding (SBC)-two different speech compression algorithm.The basic principle of TDHS and several methods of tone detection are described.Finally,several modes of the system executed by DSP in real time are discussed in the paper.
Key words:  Digital Communication Network,Speech Coding,Time-DomainHarmonic Scaling
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