7.1 Sound Card question........ - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 7 Old 09-25-2008, 04:37 PM - Thread Starter
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I'm currently using onboard sound (Asus P5E3 Premium) and I'm not too thrilled with the sound quality. 5.1/7.1 surround can only be acheived with analog output to the receiver, only 2ch stereo is supported through the coax or optical output. Is there a sound card out there that outputs 7.1 channels through an optical or coax output? I've been searching for some time now and can't find a definitive answer.....it looks like the Auzuntech X-Fi Prelude, and possibly the Asus Xonar D2 and D2x are capable of doing this.

Thanks for the help


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ASUS P5E3 PREMIUM/WIFI-AP Motherboard, E8500, PALiT 9600GT 512MB, G.SKILL 2GB DDR3 1066, LG Blu-ray/HD DVD-ROM GGC-H20L, Silverstone Grandia GD01MX, Panasonic AX200U, Onkyo HTS5100, PowerDVD8, TM Extreme.

ASUS P5E3 PREMIUM/E8500/9600GT/2GB DDR3 1066/LG GGC-H20L/Silverstone Grandia/Panasonic AX200U
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post #2 of 7 Old 09-25-2008, 04:56 PM
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No. Nothing sends 7.1 through optical or coaxial, the only way to do 7.1 is either over HDMI or analog. However, getting a better soundcard will give you MUCH better sounding analog.

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post #3 of 7 Old 09-25-2008, 05:26 PM
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It's called DD Live and DTS Connect. They are 5.1/7.1 matrixes from 2.0 source that can be sent over digital spdif. Works good for games, but not so good for Bluray playback because either the channels won't map correctly and/or the audio will come out strange (to some's ears).

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post #4 of 7 Old 09-25-2008, 06:52 PM - Thread Starter
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What about the new Asus card (Xonar HDAV1.3). It claims "Full HD Audio/Video digital output," will this still require analog outputs?


Thanks for the responses.

ASUS P5E3 PREMIUM/E8500/9600GT/2GB DDR3 1066/LG GGC-H20L/Silverstone Grandia/Panasonic AX200U
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post #5 of 7 Old 09-25-2008, 07:45 PM
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That's hdmi

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AVR-X2200W | Fluance SV 7.1 + eD A3-300

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post #6 of 7 Old 09-26-2008, 11:23 PM - Thread Starter
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So, with this card, I will have to jump an HDMI cable from my video card to the Xonar, then to my receiver to one of the 3 HDMI inputs, which will decode the audio signal and send the video signal to my projector via HDMI....do I have this right?

ASUS P5E3 PREMIUM/E8500/9600GT/2GB DDR3 1066/LG GGC-H20L/Silverstone Grandia/Panasonic AX200U
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post #7 of 7 Old 09-27-2008, 12:25 PM
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What about those new soundblaster cards , with the new onboard optical outputs...i think they might.
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