Signal Processing First cover
Signal Processing First
by James H. McClellan, Ronald W. Schafer, Mark A. Yoder
ISBN: 0130909998
Buy on Amazon
Found in 1 comment on Hacker News
bob1029 · 2022-11-01 · Original thread
The textbook that we used in the course was this one:

https://www.amazon.com/Signal-Processing-First-James-McClell...

I don't think this is considered a fantastic book. The professor was simply amazing.