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Soundcard digital pathways?, If you skip the DAC are they 'perfect'?
puntloos
post Jul 28 2003, 13:27
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I was wondering,

If you use a soundcard's digital out and tell it not to equalize/eax/otherprocessing, is the digital quality 'perfect'?

Case in point I have a professional DSP hooked up to my SB audigy's digital out. If I were to upgrade the audigy (not that I have the $$$ but for argument's sake wink.gif ), would I get any improvement in the sound quality of my mpc audio playback?

Basically I hear some 'stories' from people that say 'yes' to the last question but I find it hard to believe that the digital ".wav" data from winamp would get distorted by the sound card that's hooked up to it. provided of course I don't use the onboard DAC's or some hardware DSP feature like resampling or spatialisation crap, but Im telling my computer to have all EQ's off and just play back the file.

Anyone know the answer here?
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puntloos
post Aug 23 2006, 10:33
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Well I've bought the M-Audio Revolution 5.1.

And weeeee have playback. Im fairly disappointed by the lack of controls though. The driver dates back to 2004 as well. Some things I noticed:

- To even enable the digital out, you need to select digital speakers.. fair enough, though it would've been nice if they would MENTION this somewhere in the manuals.
- There's no way to CONTROL the digital out. Im surprised it even chose 44K/16bits. I would like to be able to manually set, and check this.
- ASIO doesn't work. I'm using winamp's asio plugin, I can select m-audio asio (which came with the driver), it says it plays, but the digital audio doesn't actually leave the card. (also the VU-meters don't light up like they do with normal playback)
- ASIO4ALL doesn't improve things. It also gets confused about the m-audio, says its a beyond spec card, says its input doesnt work, says it works now.. *boggle*
- Curiously, when I played a 48Khz mp3 (hah i didnt even realise it was 48k!), the card stayed at 44Khz SPDIF mode, but the clock was skewed! My DAC's spdif sync led got very confused.. blink.. blinkblink.. blinkity... <black> .. blink.. at least it sounded fine.
- Tried with foobar2k, no joy. Didn't try foobar's ASIO plugin yet.

Again, so far Im mixed about the whole deal and the $80 I paid for the card.
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- puntloos   Soundcard digital pathways?   Jul 28 2003, 13:27
- - AstralStorm   Digital should be, well, bit identical. But.., Som...   Jul 28 2003, 13:36
- - jrbamford   then there is the kmixer and other filters that wi...   Jul 28 2003, 14:02
- - Pio2001   It's very difficult to get a perfect digital p...   Jul 28 2003, 21:04
- - Patsoe   QUOTE (Pio2001 @ Jul 28 2003, 09:04 PM)It...   Jul 28 2003, 21:23
- - puntloos   QUOTE (Pio2001 @ Jul 28 2003, 12:04 PM)It...   Jul 28 2003, 22:48
- - jrbamford   apparently somewhere on avsforum there is a techni...   Jul 28 2003, 22:55
- - AstralStorm   Bypassing kmixer is possible with DirectSound. The...   Jul 28 2003, 23:06
- - Patsoe   @jrbamford: I was re-reading the link I provided, ...   Jul 28 2003, 23:40
- - puntloos   Indeed. I noticed that too. Im already registrin...   Jul 28 2003, 23:58
- - jrbamford   puntloos.. if you can afford possible reinstall i...   Jul 29 2003, 00:09
- - AstralStorm   Sorry, even setting latency to 512samples/sec (max...   Jul 29 2003, 03:32
- - puntloos   It would be cool if you could switch between the t...   Jul 29 2003, 03:37
- - dgover2   QUOTE Bypassing kmixer is possible with DirectSoun...   Jul 29 2003, 04:57
- - Halcyon   Let me try and summarise (please correct if I...   Jul 29 2003, 07:55
- - KikeG   Waveout is bit-perfect on Win9X, given that the mi...   Jul 29 2003, 08:58
|- - puntloos   Bump! (hah.. 3 year old topic..) Guys, Im S...   Aug 7 2006, 13:46
|- - probedb   QUOTE (puntloos @ Aug 7 2006, 13:46) Wha...   Aug 7 2006, 15:26
- - CSMR   What are you doing with Quad speakers and an Audig...   Aug 7 2006, 14:45
- - odyssey   QUOTE (puntloos @ Aug 7 2006, 14:46) add:...   Aug 7 2006, 15:06
- - Axon   BTW, I have an RME DIGI96/8 PAD, and I can attest ...   Aug 7 2006, 15:28
|- - puntloos   QUOTE (odyssey @ Aug 7 2006, 06:06) Am I ...   Aug 7 2006, 15:45
|- - puntloos   Plus oh yeah the terratec DMX6fire isn't being...   Aug 7 2006, 15:56
|- - puntloos   krt. leave it to creative to be extra-super-fuzzy ...   Aug 7 2006, 18:25
|- - Night Rain   Never mind. Didn't see the post above.   Aug 8 2006, 12:59
- - CSMR   I think all so-called professional or semi-profess...   Aug 7 2006, 15:48
- - probedb   Did everyone just ignore me? I mentioned a $2...   Aug 7 2006, 16:06
|- - puntloos   QUOTE (probedb @ Aug 7 2006, 07:06) Did e...   Aug 7 2006, 16:15
- - odyssey   QUOTE (puntloos @ Aug 7 2006, 16:45) QUOT...   Aug 7 2006, 16:34
|- - puntloos   QUOTE (odyssey @ Aug 7 2006, 07:34) QUOTE...   Aug 7 2006, 17:38
- - Rotareneg   Creative X-Fi cards let you select the master cloc...   Aug 7 2006, 17:43
|- - puntloos   QUOTE (Rotareneg @ Aug 7 2006, 08:43) Cre...   Aug 7 2006, 18:13
- - HotshotGG   QUOTE Now all I need to do is find out 'for su...   Aug 7 2006, 18:42
|- - puntloos   QUOTE (HotshotGG @ Aug 7 2006, 09:42) QUO...   Aug 7 2006, 18:55
- - CSMR   QUOTE (puntloos @ Aug 7 2006, 06:56) Well...   Aug 7 2006, 19:04
|- - puntloos   QUOTE (CSMR @ Aug 7 2006, 10:04) QUOTE I ...   Aug 7 2006, 22:30
|- - master   QUOTE (puntloos @ Aug 7 2006, 13:30) Sadl...   Aug 15 2006, 23:09
|- - puntloos   QUOTE (master @ Aug 15 2006, 14:09) If my...   Aug 21 2006, 15:39
- - Patsoe   Actually, I think there is officially no such thin...   Aug 7 2006, 23:16
|- - puntloos   QUOTE (Patsoe @ Aug 7 2006, 14:16) Actual...   Aug 8 2006, 00:25
- - odyssey   QUOTE (puntloos @ Aug 7 2006, 19:25) For ...   Aug 8 2006, 11:36
- - jvs   @puntloos: Why don't you buy an ESI Juli@? Thi...   Aug 14 2006, 23:20
- - Sebastian Mares   I am somewhat confused now - Pio said that Hercule...   Aug 15 2006, 23:49
- - Patsoe   QUOTE (Sebastian Mares @ Aug 15 2006, 23...   Aug 16 2006, 00:04
- - Sebastian Mares   Ah, right. Didn't they use Cirrus Logic back t...   Aug 16 2006, 00:23
- - odyssey   QUOTE (Rotareneg @ Aug 7 2006, 18:43) Cre...   Aug 22 2006, 21:32
- - puntloos   Well I've bought the M-Audio Revolution 5.1. ...   Aug 23 2006, 10:33
- - 2Bdecided   You know all this bitperfect stuff? While I agree...   Aug 23 2006, 11:14
- - puntloos   I have to make one admission here.. my DAC is the ...   Aug 23 2006, 11:33
- - cabbagerat   QUOTE (2Bdecided @ Aug 23 2006, 02:14) If...   Aug 23 2006, 13:10
|- - 2Bdecided   QUOTE (cabbagerat @ Aug 23 2006, 13:10) O...   Aug 23 2006, 13:49
|- - puntloos   QUOTE (2Bdecided @ Aug 23 2006, 04:49) QU...   Aug 23 2006, 16:46
||- - Patsoe   QUOTE (puntloos @ Aug 23 2006, 16:46) ......   Aug 23 2006, 17:03
||- - puntloos   QUOTE (Patsoe @ Aug 23 2006, 08:03) QUOTE...   Aug 23 2006, 17:21
|- - puntloos   QUOTE (2Bdecided @ Aug 23 2006, 04:49) If...   Aug 23 2006, 18:16
|- - Patsoe   QUOTE (puntloos @ Aug 23 2006, 18:16) Her...   Aug 23 2006, 18:32
|- - puntloos   QUOTE (Patsoe @ Aug 23 2006, 09:32) QUOTE...   Aug 23 2006, 19:22
|- - 2Bdecided   QUOTE (puntloos @ Aug 23 2006, 19:22) QUO...   Aug 24 2006, 13:42
- - odyssey   QUOTE (odyssey @ Aug 22 2006, 22:32) QUOT...   Aug 31 2006, 21:14
- - coburn_c   On my X-fi, in "audio creation mode" it ...   Oct 6 2006, 02:29
- - odyssey   QUOTE (coburn_c @ Oct 6 2006, 03:29) On m...   Oct 6 2006, 09:13
|- - coburn_c   QUOTE (odyssey @ Oct 6 2006, 03:13) QUOTE...   Oct 6 2006, 14:55
- - CSMR   You will not get bit perfect playback unless there...   Oct 7 2006, 03:03
- - odyssey   QUOTE (coburn_c @ Oct 6 2006, 15:55) QUOT...   Oct 7 2006, 12:50
- - CSMR   What you have just said would imply that bitmatche...   Oct 7 2006, 15:51
|- - odyssey   QUOTE (CSMR @ Oct 7 2006, 16:51) What you...   Oct 7 2006, 16:18
- - CSMR   Then what happens if you have a bit-perfect stream...   Oct 7 2006, 17:44
|- - coburn_c   QUOTE (CSMR @ Oct 7 2006, 11:44) Then wha...   Oct 7 2006, 18:32
- - CSMR   (Which is that is not compatible with what odyssey...   Oct 8 2006, 01:58
- - odyssey   QUOTE (CSMR @ Oct 7 2006, 18:44) Then wha...   Oct 8 2006, 16:29
|- - coburn_c   QUOTE (odyssey @ Oct 8 2006, 10:29) Just ...   Oct 9 2006, 00:26
|- - odyssey   QUOTE (coburn_c @ Oct 9 2006, 01:26) I...   Oct 9 2006, 14:26
- - coburn_c   What about this card?   Oct 10 2006, 04:38
- - Marvin77   Hmm, interesting. I found this review http://ww...   Oct 10 2006, 18:46
|- - coburn_c   That review was kind of crappy.. but those cpu uti...   Oct 10 2006, 22:57
- - MartinO2   I just wonder, what kind of resampling method is ...   May 2 2007, 11:52
|- - eevan   QUOTE (MartinO2 @ May 2 2007, 12:52) I ju...   May 2 2007, 13:05
- - IndieRockSteve   So is it possible to tell if a soundcard is borkin...   May 22 2007, 15:03


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