Sox
play
play file.mp3
Halveren snelheid audio mp3 voor ongedaan maken cassette high speed dubbing
sox ipv ffmpeg
sox input.mp3 output.mp3 --show-progress speed 0.5
show progress
--show-progress
remove silence at the end of an mp3
sox input.mp3 output.mp3 reverse silence 1 0.1 0.1% reverse
split mp3 based on silence
sox input.mp3 output-.mp3 silence 1 0.5 1% 1 5.0 1% : newfile : restart