https://wiki.leaky.org/index.php?action=history&feed=atom&title=Audio_Video 2026-04-24T19:01:24Z Revision history for this page on the wiki MediaWiki 1.30.0 https://wiki.leaky.org/index.php?title=Audio_Video&diff=143&oldid=prev 2014-06-06T18:27:45Z

<p>Created page</p> <p><b>New page</b></p><div>== Extracting the audio from a video ==<br /> <br /> ffmpeg -i videofile.mp4 -vn -acodec copy audiotrack.m4a<br /> <br /> ffmpeg: The command.<br /> <br /> -i videofile.mp4: The source video file.<br /> <br /> -vn: Do not record (do not consider) video data.<br /> <br /> -acodec copy: Copy the audio source as-is, here's where all the magic is. ffmpeg will write the audio data out as various supported codecs, but specifying copy leads a bit-for-bit exact copy of the stream. Coupled with disabling video via -vn leaves you with a lone audio track inside an mp4 container.<br /> <br /> audiotrack.m4a: The output filename.</div>

Leaky