广义幅度和功率互补滤波器

Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing Pub Date : 1994-04-19 DOI:10.1109/ICASSP.1994.389959

S. R. Pillai, G. H. Allen

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引用次数: 7

摘要

提出了一种新的幅度和功率互补滤波器的高阶推广方法。与普通互补滤波器相比，该方案具有优越的频率特性。这些广义互补滤波器的应用包括音频和视频的子带编码，以及数字滤波器的幅度特性锐化。有趣的是，这种新的设计程序可用于生成具有更清晰频带响应的普通多通道幅度和功率互补滤波器。

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Generalized magnitude and power complementary filters

A new higher order generalization of magnitude and power complementary filters is proposed in this paper. The proposed scheme is shown to have superior frequency characteristics compared to the ordinary complementary filters. Applications of these generalized complementary filters include subband coding for audio and video, and sharpening of amplitude characteristics of digital filters. Interestingly, this new design procedure can be used to generate ordinary multichannel magnitude and power complementary filters with sharper band responses.<>

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Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing

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