Flexible nonuniform filter banks using allpass transformation of multiple order

@article{Kappelan1996FlexibleNF,
  title={Flexible nonuniform filter banks using allpass transformation of multiple order},
  author={M. Kappelan and B. Strau\ss and P. Vary},
  journal={1996 8th European Signal Processing Conference (EUSIPCO 1996)},
  year={1996},
  pages={1-4}
}
This paper deals with allpass frequency transformations of uniform filter banks to achieve nonuniform band-widths. The known transformation with an allpass of first order [1] [4] [5] [6] is extended to an allpass transformation of order K. Thus the flexibility of the filter bank design can be increased significantly. 
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