OT: Another reply, just to correct a misunderstanding.
On Sat, 2012-03-10 at 15:24 +0100, Heiko Baums wrote: > There are a lot of ice1712 (envy24) audio cards from the simplest ones > like M-Audio Audiophile 24/96 up to the most professional ones like > the RME Hammerfall which are totally not supported by PA. RME cards don't use Envy24 chips. I own 2 Envy24 cards and use them for MIDI, but the RME card isn't an Envy24. Anyway, everything regarding to the PA issue you claim IMO is true.
