Am 14.07.2014 00:58, schrieb Mike Slinn:

>     Stream #0.1(und): Audio: aac, 44100 Hz, 7.1(wide), 240 kb/s
>     Metadata:
>       creation_time   : 2014-07-13 20:26:58
> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
>   Stream #0:1 -> #0:1 (copy)
[...]
> But I only want the first audio channel. The following still gives me
> all 8 audio channels:
> $ avconv -y -i convertingSbtToEclipse.mov -c:v copy -c:a copy -map 0:1
> convertingSbtToEclipseMono.mov

I'd say you have only one audio stream. -map is for selecting streams,
like german stream next to english, next to french on DVDs, not for
surround vs. stereo vs. mono.

What you probably want is to re-encode this one stream to stereo or
mono. -c:a copy won't do this, you need a real encoder.


HTH,
Markus

-- 
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Dipl. Ing. (FH) Markus Hitter
http://www.jump-ing.de/
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