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FIR Digital Filter Design

In a previous lecture, we looked at many windows, and examined their properties. Today, we are going to see how these windows can be used to design Finite Impulse Response (FIR) digital filters.

FFT processors implement long FIR filters more efficiently than any other method (using Overlap-Add).

We need flexible ways to design all kinds of FIR filters for use in FFT processors.

See the FIR Filter Demos by

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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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