Computer Audio Asylum

Music servers and other computer based digital audio technologies.

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Original Message

RE: Other than jitter and bitperfect?

Posted by Presto on November 30, 2009 at 11:02:47:
"Most PC spdif outputs are not good."

Every mobo based SPDIF output I've compared to my M-Audio Revo 7.1 SPDIF output is just terrible. Some actually had detectable noise which showed up on my Behrigner DCX2496 VU Meters. No such spurious "data" in play with the transformer isolated, 75ohm terminated Revo SPDIF output.

And I am sure that this PC powered $100 Revo Card that slays most PC SPDIF outputs would be slayed once again from a better quality SPDIF transmitter powered by a separate linear and well filtered power supply.

Fmak is right. PC SPDIF Outputs are not audiophile quality. Most mid-fi consumer SPDIF outputs are even better than this.

Cheers,
Presto