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Dolby TrueHD / DTS-HD MA from my PC?

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f4phantom2500

Platinum Member
My sound card (X-Fi XtremeMusic) supports PCM (according to the data sheet of the DAC used for the sound card), and I know that multichannel analog is one of two ways (the other being HDMI) to utilize these formats. Do the green/black/orange PC cables qualify as "multichannel analog" in this situation? If I were to install a Blu-Ray drive in my computer or play a video file that is encoded with one of the aforementioned codecs, would I be able to hear the lossless audio on my speakers (Z-5500, fwiw)? From what I understand, when using multichannel analog output, the decoding of the audio is done on the player, or in this case, the computer via software, and output as an analog signal from my sound card, which should be fine, I think, since the X-Fi's DAC supports PCM. So I don't see any reason why this wouldn't work, unless the 3 audio cables don't have enough bandwidth for the 6 audio channels, considering in a conventional setup utilizing a standalone Blu-Ray player and receiver, 6 RCA cables would be required.

EDIT:

This cable is designed to take the green/black/orange cable output from a sound card (specifically the Audigy 2 and Live! cards) and split it into the 7.1 analog connections that you'd find on the back of a home receiver. With this in mind, it looks like I can just use something like FFDshow to do the decoding on the computer and just pass it through to the speakers. If anyone has further insight into this topic I would be grateful to hear it.
 
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