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Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

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To reduce digititus ..

Please see a previous discussion titled 'Digital Edginess in Redbook'. The summary is you want to reduce jitter. There are so many ways to do. Looks like going by the way of the harddisk/computer playback may take care of it without too many silly tricks. It was also pointed out by members, there is no digital edginess in Dish/DirecTV broadcasts. Maybe because these sources lack jitter. I am now watching Oswald with my son on Dish with glass Toslink and there is no edginess.
To reduce jitter, my strong recommendations are, in order of priority-

1) Isolate player from vertical vibrations with a good solid rack on spikes (most people have this, I guess)

2) Lateral vibrations caused by the spinning disc can vibrate the clock/quartz and induce jitter (however a high quality player you might have). This should be promptly taken care of with a ballbearing based device like the Symposium rollerback, Darumas etc.

3) Use a coax cable atleast 1.5m in length.

4) Use a balanced power transformer to reduce noise and to provide a low impedence power supply

5) Power cord

6) Walker Vivid CD polish or the new Auric Illuminator

7) Herbies Grungebuster CD mat

8) A good low capacitance interconnect

Like others have mentioned upsampling is not the solution. It all depends on the interpolation algorithm. I have the Philips 963SA and I run without upsampling.


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