Oversampled cosine-modulated filter banks with arbitrary system delay

  title={Oversampled cosine-modulated filter banks with arbitrary system delay},
  author={Joerg Kliewer and Alfred Mertins},
  journal={IEEE Trans. Signal Processing},
In this paper, design methods for perfect reconstruction (PR) oversampled cosine-modulated filter banks with integer oversampling factors and arbitrary delay are presented. The system delay, which is an important parameter in realtime applications, can be chosen independently of the prototype lengths. Oversampling gives us additional freedom in the filter design process, which can be exploited to find FIR PR prototypes for oversampled filter banks with much higher stopband attenuations than for… CONTINUE READING
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