音频信号处理的非均匀过采样滤波器组

IEEE Trans. Speech Audio Process. Pub Date : 2003-08-26 DOI:10.1109/TSA.2003.814412

Z. Cvetković, J. Johnston

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引用次数: 60

摘要

在新兴的音频技术应用中，需要将音频信号分解为具有时频分辨率的过采样子带分量，该分量模仿耳蜗滤波器组的时频分辨率，并且在每个子带中具有独立的高混叠衰减，而不是混叠消除特性。我们设计了一种近乎完美的重构非均匀过采样滤波器组来实现这类信号分解。

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Nonuniform oversampled filter banks for audio signal processing

In emerging audio technology applications, there is a need for decompositions of audio signals into oversampled subband components with time-frequency resolution which mimics that of the cochlear filter bank and with high aliasing attenuation in each of the subbands independently, rather than aliasing cancellation properties. We present a design of nearly perfect reconstruction nonuniform oversampled filter banks which implement signal decompositions of this kind.

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IEEE Trans. Speech Audio Process.

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