Multirate Filter Banks

  • K. Deergha Rao
  • M. N. S. Swamy


A set of digital lowpass, bandpass, and highpass filters with a common input or a common output signal, as shown in Fig. 9.1, is called a digital filter bank. The structure of an M-band analysis filter bank is shown in Fig. 9.1a. Each subfilter H k (z) is called an analysis filter. The analysis filters H k (z) for k = 0, 1, …, M − 1 decompose the input signal x(n) into a set of M subband signals \( v_{k} (z). \) Each subband signal occupies a portion of the original frequency band.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.Department of Electronics and Communication EngineeringVasavi College of Engineering (affiliated to Osmania University)HyderabadIndia
  2. 2.Department of Electrical and Computer EngineeringConcordia UniversityMontrealCanada

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