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91 points ofalkaed | 1 comments | 11 Jul 25 19:24 UTC | HN request time: 0.21s | source

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Llamamoe ◴[12 Jul 25 09:39 UTC] No.44540683[source]▶

I wish there was a practical, no-math code-centric resource somewhere.

I just want to see practical examples of how to process my array of floats to extract or attenuate different frequencies(in discrete integer increments), not read walls of math equations and how to derive the discrete form of continuous algorithms over a hundred pages of dense text.

replies(1): >>44542003 #

1. Blackthorn ◴[12 Jul 25 13:41 UTC] No.44542003[source]▶

>>44540683 #

There are tons and tons of libraries for just running filters. scipy.signal has basic filter construction methods.

This resource is for learning the why and the how, which makes the math rather important.

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Introduction to Digital Filters (2024)