Extract Audio From A Video With ffmpeg
The creates an mp3 file with a variable bit rate :
ffmpeg -i input.mp4 -q:a 0 -map a output.mp3- A starting point can be set with : [TODO: Code shorthand span ]
- The length can be set with : [TODO: Code shorthand span ]
- The [TODO: Code shorthand span ] can be dropped and the extension changed from [TODO: Code shorthand span ] to [TODO: Code shorthand span ] to make a WAV file
- Making a specific frequency wav file is done with something like this [TODO: Code shorthand span ] for a 16,000 Hz file