Re: Simultaneous AC3/DTS passthrough & stereo analog output

[Bob <spam@homeurl.co.uk>]

Bob wrote:
> I'm using an Audigy2 in one PC and an SB Live value in another and I 
> output to a 5.1 speaker system over S/PDIF coax and to my headphones 
> (via the TV) over analogue stereo.
>
> I have AC3 passthrough working when I call mplayer with -afm hwac3, (I 
> think DTS will work but can't find a test clip) and I can soft decode 
> and downmix the AC3 audio with -afm liba52, so that's all great, 
> except that with -afm liba52 rear left and right are mixed and I don't 
> get anything out of the LFE track.
>
> What I can't do is both at once which would make life easer for SWMBO.
>
> My google search (below) has reviled I'm not alone in wanting this and 
> hints that it may not be possible but my search skills are week so I 
> thought I'd consult the oracle.
> "ac3 passthrough" "analog (output | stereo | downmix)" (simultaneous | 
> "both at" | "same time")
>
> Has anyone got any suggestions on how to get this working?

Bad form to respond to yourself I know, Bla Bla Bla.

I just thought I'd add that, as I run a sort of informal hardware 
recycling center, I have plenty of spare sound cards, so if it can be 
done but only on a second card I'm still interested in the solution.

Thanks for taking an interest, I'll mention what you said to my Aunt.