Tutorials / Digital Filters
Simple First Order Digital Filter Design
It is often necessary to filter data from sensors or audio streams in order to suppress unwanted noise. And, most of the time, a simple first order filter is all that is required. The technique discussed below describes a quick design solution that will allow you to design and implement a first order using fixed-point math.
Scientist and Engineer's Guide to Digital Signal Processing
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Second Order IIR Filters
Second-order IIR Filters will support cascade implementations - 5 Part digital audio application tutorial...