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Re:Signal processing is key to embedded machine learning by Optimal_Persona on Saturday March 21, 2020 @07:42PM (#22651256)
The best DSP intro I've found, especially for the non-math whiz is Steven W. Smith's DSP Guide: http://www.dspguide.com/pdfbook.htm
Re:Signal processing is key to embedded machine learning by proverbialbunny on Saturday March 21, 2020 @09:56PM (#22652013)
I own a copy of this book. It is quite good as a reference once one has some DSP experience. I wouldn't recommend it as an intro.

The book is quite good in that it is to the point and provides a good roadmap, but to do so it often omits concrete examples and instead writes out the algorithms in mathese. Knowing calculus should be enough.