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Summary of the Window Method

Basic Idea:

$\displaystyle \hat{h} \isdefs w\cdot h \;\;\longleftrightarrow\;\; {\hat H}\eqsp W\ast H
\,\;\approx\;\, \delta\ast H \eqsp H
$

For the Ideal Lowpass Filter:



Subsections
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``The Window Method for FIR Digital Filter Design}'', by Julius O. Smith III, (From Lecture Overheads, Music 421).
Copyright © 2020-06-27 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
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