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RW-12D with Bookshelfs? - Page 2

post #11 of 12
Thread Starter 
If I use the S/PDIF output on soundcard to receiver's SAT/CBL input, how does that fare against the HDMI connection via the graphics card?
Here are the specs of the soundcard's output:
Quote:
Sample Rate and Resolution
Analog Playback Sample Rate and Resolution :
44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
Analog Recording Sample Rate and Resolution :
44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
S/PDIF Digital Output :
44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
ASIO Driver Support :
44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
Quote:
Features:
Dolby® Technologies : Dolby® Digital Live/Dolby® Headphone /Dolby® Virtual Speaker /Dolby® Pro-Logic II
Karaoke Functions
FlexBass™
GX 2.5 Game Audio Engine
VocalFX™

My understanding is that Dolby Digital Live converts "any audio signals on a PC or game console into a 5.1-channel 16-bit/48 kHz Dolby Digital format at 640 kbit/s and transports it via a single S/PDIF cable." Does this mean that if I'm playing a song (2 channel), it is ouputted to the receiver at 5.1, which then, I have to use software (usually audio matrix) to mix it back to 2 channel (with LFE enabled, giving 2.1)?

And is it true that with HDMI, it would be transmit audio losslessly?

edit: And...I just realized this, it might be a bit late. But I've been using RCA cable from the soundcard to the old amp L&R analog. Can't I just use the same connections on the receiver's audio analog inputs? Because I read somewhere that analog is better than digital if I'm only using 2 channel audio (and a sub).

Sorry if I asked any stupid questions, I'm completely new at this...
Edited by nzube14 - 9/4/13 at 9:12pm
post #12 of 12
HDMI should work the best and provide the highest quality sound, so just use that. When you use a digital form like SPDIF or HDMI, your soundcard doesn't get used to convert audio, it's just transporting it to your receiver. The DAC chips in your receiver will do the converting to analogue form.

If you play movies through SPDIF your soundcard will use Dolby Digital Live to compress the audio to 5.1 AC3 so it can fit through the lower bandwidth of a coax connection. Although, since you're just using a 2.1 setup you probably wouldn't notice any difference.
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My System
(19 items)
 
  
CPUMotherboardGraphicsRAM
3570K GA-Z77X-UD5H EVGA 980 ti Classified 16 GB Samsung 30nm 
Hard DriveHard DriveHard DriveCooling
Samsung 840 Pro Intel 730 WD RE CM Hyper 212 EVO 
OSMonitorMonitorKeyboard
Windows 10 Dell S2716DG 1440p 144 Hz G-Sync NEC PA272 27" 1440p Leopold FC660C Topre 
PowerCaseMouseAudio
EVGA 850W Supernova G2 Fractal Design Define R4 Logitech G502 ODAC + O2 
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Earwerkz Supra 
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