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I am trying to get AC3/5.1 passthrough via my E-mu 0404 but can't seem to succeed. I am using the E-mu for 2-ch music: Music server/HTPC -->Win XP SP3-->C-play-->ASIO2-->USB-->Emu 0404 DAC-->stereo analog out It works great and I am very happy with the sound quality. I also use the same PC/HTPC to watch movies stored in the hard-drive (DVD ISOs and .avi). I have used Windows Media Player and VLC with the audio routed to the PC on-board audio SPDIF out (to my receiver digital in for decoding) and it works great too. However, this requires that I switch the PC audio output (in Control Panel) between USB/ASIO2/EMU0404 (for music) and on-board SPDIF for movies. I read that the Emu 0404 supports AC3/5.1 passthrough to the SPDIF out and I also found a Windows media Player ASIO plug-in. So I would like to route both audio streams to the USB/ASIO2/EMU0404 and have the C-play music come out of the EMU 0404 analog outs and the WMP movie soundtrack out of the EMU SPDIF (optical) out to the receiver (not at the same time, of course). I have installed the WMP open-source ASIO plug in ("asiowmpplg") and I am getting audio out of the analog outs of the EMU (quality not good) but nothing out of the EMU SPDIF optical out. Have any of you tried this successfully?? I know that the Emu 0404 can be used as an USB to SPDIF converter and it supports AC3/5.1 passthrough, so it seems it should work. Any thoughts or suggestions? Federico

I've been a happy Squeezebox user for a while but now I would like to get into 24/96 and 24/192 hi-rez audio<br /> <br /> I am building an ultra quiet media server (XP) to play all my FLAC-ripped CDs and the new 24bit/192 hi-res audio.<br /> <br /> I plan to output all audio via the server's USB 2.0 and then use either the USB input of my Outlaw 990 (supports 24/192) or a Benchmark USB DAC that I will audition soon.<br /> <br /> Will use either mediamonkey, foobar2000, XBMC or ??? as the front end.<br /> <br /> Any reason why I would need the Lynx card?<br /> Is the digital output of the Lynx card better "quality" than the USB, or is the D/A conversion of the Lynx comparable to an outboard DAC like the Benchmark?<br /> <br /> Thanks,<br /> <br /> Federico