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About: Uniformly-Modulated Filterbanks

Module by: Phil Schniter. E-mail the author

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Name: Uniformly-Modulated Filterbanks
ID: m32143
Language: English (en)
Summary: Filterbanks with uniform sub-band bandwidth are described, and the tradeoff between reconstruction error and frequency-selectivity is discussed. The polyphase/DFT filterbank implementaiton is also discussed, along with its computational cost.
Subject: Mathematics and Statistics
Keywords: anti-aliasing, anti-imaging, downsampling, filterbanks, non-PR, perfect reconstruction, polyphase filterbank, uniformly modulated, upsampling
License: Creative Commons Attribution License CC-BY 3.0

Authors: Phil Schniter (
Copyright Holders: Phil Schniter (
Maintainers: Phil Schniter (, Daniel Williamson (, Richard Baraniuk (, C. Sidney Burrus (, Jared Adler (

Latest version: 1.2 (history)
First publication date: Aug 25, 2009 2:41 pm -0500
Last revision to module: Sep 23, 2009 10:41 am -0500


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Version History

Version: 1.2 Sep 23, 2009 10:41 am -0500 by Daniel Williamson
added google analytics tracking code, updated metadata and module structure, and established intermodule links.

Version: 1.1 Sep 21, 2009 5:08 pm -0500 by Phil Schniter
created module.

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American Chemical Society (ACS) Style Guide:

Schniter, P. Uniformly-Modulated Filterbanks, OpenStax_CNX Web site., Sep 23, 2009.

American Medical Assocation (AMA) Manual of Style:

Schniter P. Uniformly-Modulated Filterbanks [OpenStax_CNX Web site]. September 23, 2009. Available at:

American Psychological Assocation (APA) Publication Manual:

Schniter, P. (2009, September 23). Uniformly-Modulated Filterbanks. Retrieved from the OpenStax_CNX Web site:

Chicago Manual of Style (Bibliography):

Schniter, Phil. "Uniformly-Modulated Filterbanks." OpenStax_CNX. September 23, 2009.

Chicago Manual of Style (Note):

Phil Schniter, "Uniformly-Modulated Filterbanks," OpenStax_CNX, September 23, 2009,

Chicago Manual of Style (Reference, in Author-Date style):

Schniter, P. 2009. Uniformly-Modulated Filterbanks. OpenStax_CNX, September 23, 2009.

Modern Languages Association (MLA) Style Manual:

Schniter, Phil. Uniformly-Modulated Filterbanks. OpenStax_CNX. 23 Sep. 2009 <>.