#What would be the expected processing
jagged robin
verbal magnet
depends on alot of things
hardware
model you choose
quality of audio (my guess)
if i were u i would just try to run it maybe on a sliced 10 min piece from the same 4 hr audio and estimate it like that
digital viper
make a long hair girl
humble dock
If the audio file is wav I have a program that will play it. I have several drafts in python with few dependencies needed.
It's on uphamprojects.com you should be able to adapt one of those scripts.