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。
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.
出处
《电声技术》
北大核心
2002年第5期10-13,共4页
Audio Engineering
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
digital theater system
coherence acoustic encoding
adaptive differential encod-ing
psychological analysis
