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In Reply to: My Best Playback from HD yet posted by fmak on September 11, 2006 at 12:34:31:
"I finally connected a dCS Delius Upsampler to the output of my sound card"Fmak - which soundcard did you use here? Is the spdif output ASIO capable?
Follow Ups:
Asio.dll 0.47a in Foobar. Sorry it is the Purcell upsampler, not Delius dac. Terratec 2496 card with NO src also Asio.This shows that the software in the Purcell hardware is much better than SRC!
I'm not so sure the Purcell is any better than SRC. Maybe using the upsampler as a seperate box gives the system a way to reduce jitter from the computer (much like upsampling in a Benchmark DAC1 reduces jitter from the input signal).
If we are switching from using SRC to using a Purcell, are we not changing more than just what is doing the upsampling?To be a valid comparison, you would need to simply bypass the upsampling in the purcell, and use SRC, then (conversely) disable SRC and enable upsampling in the purcell.
If you take the purcell OUT of the circuit you're changing much more than just what is doing the upsampling right? You're also changing what is doing the D/A conversion no? Or is the purcell being used for D/A conversion in both cases?
These things are not always intuitively obvious to compare "fairly".
nt
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