[FFmpeg-user] Help with extracting audio from MP4

Carl Eugen Hoyos ceffmpeg at gmail.com
Thu Jan 19 07:15:01 EET 2017

2017-01-19 5:40 GMT+01:00 Peter <peter777 at users.sourceforge.net>:
> If I simply supply an output filename, it results in the codec of
> MPEG Audio Layer 1

That's impossible, no layer 1 encoder exists for FFmpeg.

Maybe you are searching for something like the following?
$ ffmpeg -i 16187821_363927127308754_4400528164682465280_n.mp4
-acodec copy out.aac

Carl Eugen

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