In this video, we'll take a look at how a linear phase filter preserves the shape of a waveform in the time domain. We'll look at the phase response plot in detail and see the difference between an IIR filter and a linear phase FIR filter in action.
Find the full playlist here: https://www.youtube.com/watch?v=Qmd685msY-Y&list=PLbqhA-NKGP6Afr_KbPUuy_yIBpPR4jzWo
Repository:
https://github.com/Thrifleganger/filter-basics
References:
David Dorran - Why linear phase filters are used -
https://www.youtube.com/watch?v=xPTe7ZWLVhQ
Digital Filters: A Practical guide, David Dorran
http://dx.doi.org/10.13140/RG.2.2.26017.48486
In this series on Digital Filter Basics, we'll take a slow and cemented dive into the fascinating world of digital filter theory. Many resources present this topic with dense and exhausting mathematics. Although a fair understanding of complex mathematics is required to fully comprehend the science of filter design, understanding the basics of filters and how they fundamentally work is better left to analysis and visualizations, which I try to do in this series. We'll learn about feedforward and feedback filter topologies, impulse and impulse responses and and wide variety of other topics.
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