基于时域混叠消除的滤波器组设计的子带/变换编码

ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing Pub Date : 1987-04-06 DOI:10.1109/ICASSP.1987.1169405

J. Princen, A. Johnson, A. B. Bradley

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引用次数: 342

摘要

本文介绍了一种基于时域混叠抵消(TDAC)[1]，[2]的奇异堆叠、临界采样、单边带(SSB)[7]分析/合成系统。开发了分析和综合滤波器响应的规范，并描述了一些满足重建要求的设计。讨论了TDAC系统在子带/变换编码中的应用，给出了采用几种不同窗口设计的32带编码器的客观性能，并与基于频域混叠抵消(FDAC)滤波器组[3]-[5]的编码器进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Subband/Transform coding using filter bank designs based on time domain aliasing cancellation

A new, oddly stacked, critically sampled, single side-band (SSB) [7] analysis/synthesis system based on Time Domain Aliasing Cancellation (TDAC) [1],[2] is described in this paper. The specifications for the analysis and synthesis filter responses are developed and a number of designs which satisfy the reconstruction requirements are described. The application of TDAC systems to Subband/Transform coding is also discussed and the objective performance of a 32 band coder using several different window designs is presented and compared with a coder based on Frequency Domain Aliasing Cancellation (FDAC) filter banks [3]-[5].

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ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing

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