see title
here are some rules that to make life easier -
1. no waveforms that are mostly brickwalled
2. thats all i can think of rn
what i use to look at the waveform is a plugin called waveform seekbar for foobar2000, link:
https://www.foobar2000.org/components/view/foo_wave_seekbari'll start

(sorry if this isnt allowed or is just plain stupid)