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Multirate Filter Banks

In: Digital Signal Processing

Author

Listed:
  • K. Deergha Rao

    (Vasavi College of Engineering (affiliated to Osmania University), Department of Electronics and Communication Engineering)

  • M. N. S. Swamy

    (Concordia University, Department of Electrical and Computer Engineering)

Abstract

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.

Suggested Citation

  • K. Deergha Rao & M. N. S. Swamy, 2018. "Multirate Filter Banks," Springer Books, in: Digital Signal Processing, chapter 0, pages 575-617, Springer.
    • Handle: RePEc:spr:sprchp:978-981-10-8081-4_9
    DOI: 10.1007/978-981-10-8081-4_9
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