[FFmpeg-user] Unable to transcode from aac to amrwb.

[NITIN SAGAR]

Thanks Bat, but is there no stereo support for amrwb, i see only ac 1 on
your samples commands, is ac 2 not possible..?

On Wed, Nov 28, 2012 at 12:31 AM, bat guano <batguano999 at hotmail.com> wrote:

>
>
>
> ----------------------------------------
>
> > Subject: [FFmpeg-user] Unable to transcode from aac to amrwb.
> >
> > Hi all,
> > I am a new bie here, trying to use a video source and transcode its aac
> > audio to amr directly.
> > command being used is:
> > ffmpeg -i input.mp4 -vn out.amr
> >
> > ffmpeg version git-2012-10-29-19add32 Copyright (c) 2000-2012 the FFmpeg
> > developers
> > built on Oct 29 2012 23:59:33 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
> > configuration: --enable-gpl --enable-libx264 --enable-libmp3lame
> > --enable-nonfree
>
> Hi
>
> FFmpeg needs to be compiled with "--enable-libvo-amrwbenc".
>
> Then use commands like these:-
>
> $ ffmpeg -i input.mp4 -vn -c:a libvo_amrwbenc -b:a 12.65k -ar 16k -ac 1
> out.amr
>
> $ ffmpeg -i input.mp4 -vn -c:a libvo_amrwbenc -b:a 23.85k -ar 16k -ac 1
> out.amr
>
>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>