here's what i've been pasting around everywhere
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There is an exploit in the Envy24HT-S driver's Control
Panel that you can take advantage of.
1) Go to the Digital Out tab and select PCM Only.
2) Then select the 8 Channel output tab and go to Sample Rate
& Immerzio 3D.
3) Under Sample Rate Select uncheck Automatic, select 44.1khz,
and re-check Automatic.
4) Go back to the 2 Channel tab and go to Digital Out.
5) Select AC3 or PCM Autoselect (48khz only).
This should result in the Envy24HT-S Control Panel essentially
being tricked into letting AC3 or PCM at 44.1 and 48khz
autoselect between eachother. The way it SHOULD HAVE been...
http://www.htpcnews.com/forums/index.php?showtopic=3616
(tested and verified working with these drivers Envy24_Family_Drivers_V432b.zip)
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all you really need for this exploit is the older driver panel, not the new black one