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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Can't win 'em all posted by Charles Hansen on January 30, 2009 at 19:14:06:
I2S is a huge improvement over S/PDIF. The master clock is in a separate line instead of being jumbled together with a bunch of other stuff.
But now you have a completely non-standard system. It will only work with a particular manufacturer's transport.
If you want to do go that route, you are much better off to put the master audio clock in the DAC box and send the signal *upstream* to the transport. This is what Linn did with the Karik/Numerik in the early '90s and Wadia did later with their "ClockLink" two-cable system.
Sending the master clock down a length of cable will always have more jitter than putting it 1" away from the DAC chip. This is why different cables sound different for a normal S/PDIF connection.
Bottom line -- I2S is better than S/PDIF, but not as good as a "ClockLink" type of scheme. (Assuming that all else is equal.)
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Follow Ups
- I forgot to address I2S - Charles Hansen 19:26:18 01/30/09 (0)
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