AngelEyes, Thank you very much for your time and effort put forth into this valuable information. i am currently using powerdvd and using a M-Audio 5.1 card to output the lossless audio tracks to my reciever. What you have said makes sense and i believe that it is probably true that they are downsampling the audio.
However you seem to be a little confused with some of the terms you are using. I would ask atleast that you change the title of this thread so as to not confuse people on the facts.
"FACT: You cannot listen to uncompressed HD audio via HTPC "
should read something like :
FACT: You cannot listen to High Resolution HD audio via PowerDVD"
there is no issue at all with listening to UNCOMPRESSED audio with powerdvd, it plays them. The issue is with High_resolution Audio tracks greater then 16bit/48khz. which has nothing to do with it being compressed or not.
according to cyberlink they will take any 24bit/192khz audio track and convert the rates down to 16/48 for output. it doesnt matter if that is lpcm uncompressed or dolby truhd compressed or dts-hd compressed. it is simply a bit resolution and sampling rate issue.
any movie could contain an uncompressed 16bit/48khz lossless audio track and powerdvd would play it back exactly.
I hope this makes sense and i have helped anyone who is confused on this subject (assuming im right and not whacked out of my mind on crack or something...)
Anyways, on to bigger and better things, how the hell do we get this problem fixed, i went through the trouble of buying a 24bit/192khz soundcard and it is not being utilized and i am very angry about it. how hard would it be for a wizbang hacker to remove that routine and hack powerdvd to just output the raw audio before it runs through their crappy downsample routine?