[FFmpeg-user] Converting wma to mp3, avoiding joint stereo
Paul B Mahol
onemda at gmail.com
Sun Apr 18 09:46:21 EEST 2021
use "-joint_stereo 0" option for ffmpeg.
Note that placing order is important.
On Sat, Apr 17, 2021 at 8:06 PM Alan Corey <alan01346 at gmail.com> wrote:
> New to the list, I've used ffmpeg for years on video files. But I got
> from a torrent a bunch of classical wma files which not much in Linux
> can deal with. So I did the basic
> ffmpeg -i somefile.wma somefile.mp3
> And it works, but mpg123 tells me the file is joint stereo. It's
> quite possible the wma files are joint stereo, I don't know anything
> about them, but when I convert a flac file (to wav then mp3) I can at
> least nominally output true stereo. Maybe it doesn't actually
> accomplish anything but I call LAME with -m s. Is that possible with
> ffmpeg? How? Do I need to get into channel mapping?
> Joint stereo I remember from the early days of fm stereo that had to
> also be playable on mono radios. Better than mono but not as good as
> true stereo.
> Education is contagious.
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