[FFmpeg-user] audio streams

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Nov 14 11:35:37 CET 2011

Rick C. <rickcorteza <at> gmail.com> writes:

> > (My guess is that 0x81 starts earlier with non-silent sound and this is why
> > FFmpeg believes it is the more useful audio track. Just a guess.)
> Thank you for the reply Carl.  Yes 0x81 has a narrative and I believe it
> starts speaking before the "normal" sounds would come in with 0x80.  Just for
> me to learn what is the general rule FFmpeg uses to decide what audio
> track to use?

I don't know exactly myself, but I believe your sample gives good indication on
how it works;-)

Carl Eugen

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