[FFmpeg-user] Help with extracting audio from MP4
peter777 at users.sourceforge.net
Thu Jan 19 08:18:55 EET 2017
On Thursday, 19 January 2017 6:15:01 AM AEDT Carl Eugen Hoyos wrote:
> 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.
The line must have benn cutoff in your viewer, .. the line was ..
If I simply supply an output filename, it results in the codec of MPEG Audio
Layer 1/2(mpga), sample rate: 48000 Hz and bitrate: 64 kb/s
> Maybe you are searching for something like the following?
> $ ffmpeg -i 16187821_363927127308754_4400528164682465280_n.mp4
> -acodec copy out.aac
Thanks, I tried that. The sound is okay. For mp3 output, I used an example ..
ffmpeg -i 16187821_363927127308754_4400528164682465280_n.mp4 -codec:a
libmp3lame -qscale:a 2 output.mp3
Not sure if I'm using the correct parametrs though. We require the output to
be an mp3 file.
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