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Anything related to digital signal processing (DSP), including image and video processing (papers, books, questions, hardware, algorithms, news, etc.)
Interesting technical papers or articles are particularly welcome!
Beat Notes: An Interesting Observation (dsprelated.com)
submitted 1 year ago by chtef
[–]D3Rien 3 points4 points5 points 1 year ago (0 children)
Beat notes are really cool and all, but I really didn't like this article. The first half of it just is plain wrong, when they say that beat notes come from modulation. Then they turn around and correct themselves and describe that they actually come from addition. The author goes through the math of this, says "isn't that neat!" And then doesn't really have an answer for the question posed at the beginning. This isn't even an interesting observation, it's just the math of how beat notes (don't) and do work.
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