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DTS相干声学编码
引用本文:戴霖,周琳,吴镇扬. DTS相干声学编码[J]. 电声技术, 2002, 0(5): 10-13
作者姓名:戴霖  周琳  吴镇扬
作者单位:东南大学无线电工程系南京,210096
摘    要:介绍了相干声学编码,探讨了线性PCM数字信号的缺陷,并从自适应差分编码和心理声学分析两个方面阐述了编码策略,接着论述了多相滤波器组的特点,并简要说明了性能测试及其结果。结合当前的发展趋势,阐述了DTS的应用现状。

关 键 词:数字影院系统 相干声学编码 自适应差分编码 心理声学分析 DTS
修稿时间:2001-12-28

DTS Coherence Acoustic Encoding
DAI Lin,ZHOU Lin,WU Zhen-yang. DTS Coherence Acoustic Encoding[J]. Audio Engineering, 2002, 0(5): 10-13
Authors:DAI Lin  ZHOU Lin  WU Zhen-yang
Abstract:In this paper coherence acoustic encoding is described,the limitations of linear PCM digital signals are discussed,and the encoding strategy is described in terms of adaptive differential encoding and psychological acoustic analysis.Then the features of multi-phase filter bank are described,and performance testing and test results are given briefly.The present status of the application of DTS is described in combination with its present development trends.
Keywords:digital theater system  coherence acoustic encoding  adaptive differential encod-ing  psychological analysis
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