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Bandpass Filter Frequency Response

The filter frequency (amplitude) response for

$\displaystyle y(n) = x(n) - x(n-2) $

shows it is a bandpass filter.

\scalebox{.85}{\includegraphics{eps/bpfreq.eps}}

The bandwidth is determined by the frequency separation between the two cutoff points.

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``Music 171: Introduction to Delay and Filters'' by Tamara Smyth, Computing Science, Simon Fraser University.
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Copyright © 2019-11-21 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<trsmyth@ucsd.edu>