[FFmpeg-user] Always merge audio all streams?
francois.visagie at gmail.com
Tue Feb 2 08:29:54 CET 2016
> -----Original Message-----
> From: ffmpeg-user [mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of
> Robert Nagy
> Sent: 01 February 2016 23:53
> To: FFmpeg user questions and RTFMs
> Subject: [FFmpeg-user] Always merge audio all streams?
> Is there a way to always merge all audio streams into a single one? Without
> knowing in advance how many there are?
> I've tried to use the amerge filter but it requires the number of audio
> streams provided manually...
Have you tried something like '-af aformat=channel_layouts=mono' (guessing, documentation does not mention mono)?
Or '-ac 1'?
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