I want to convert all my mp4 files in a folder into mp3 in a new folder I've tried something like:

$ffmpeg -i \*.mp4 -vn mp3/\*.mp3

but it didn't work. It involved an infinite loop and my computer didn't respond anymore. Any solution ? Thanks.

1 Answer 1

for i in *.mp4; do ffmpeg -i "$i" -f mp3 -ab 192k -vn -ar 44100 -ac 2 aud/"${i%.*}.mp3"; done
  • vn: disable video recording during the conversion.
  • ar: set audio sampling rate in Hz.
  • ab: set the audio bitrate.
  • ac: set the number of audio channels.
  • -f: format.
  • aud: name of the audio folder

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