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In Reply to: How can I find out if my 2 cheapo Sony's use DSD posted by timb5881 on October 29, 2006 at 14:40:15:
...1/ get the full service manual for the player in question2/ Locate the chips in the signal path
3/ Hunt up the full data sheets for these parts
4/ Try and understand them
5/ Then see if you can apply this info to make any sense of the original question.
Steps 1 - 3 are reasonably straightforward. Step 4 & 5 are not at all as most DAC chips are not fully described in the data sheets and only the actual chip designer/team could answer your question - if he/they could be found and asked directly.
Looking at the waveforms in & out of the relevant chips may give a clue - and maybe not.
But it's irrelevant - does a player sound good is the only importance, IMO!
If it sounds PCM'ish, then you can chose not to buy it - but if you can't hear a PCM signature then what does the question matter?
The ONLY machines I know for 100% certain that do not convert to PCM in any way at all are the original two channel (SCD_1, 9000ES, XB940) SONYs. Everything since then may do something somewhere other than pure bitstream...and the cheaper the player the more likely it is convert it!
Regards, Allen
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- Timbo, the ONLY real way you can know is to... - Allen Wright 05:31:58 10/30/06 (0)
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