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

RE: Suggestion........

It seems plausible that what is going on in the computer will have less effect on the sound if the computer is physically and electrically very distant from any of the analog equipment. But then, a more complex playback chain will have more complex failure modes. I suggest somehow capturing the bits that are going to the DAC and verifying that they correspond to the bits on the CD. If you use SPDIF to the DAC you can connect the cable to a digital in of a separate computer and record the stream. There may be various "loop back" tricks available that don't require extra hardware, but these won't catch all the possible places where the bits could get corrupted. IMO it is a complete waste of time to do anything regarding subjective sound quality of computer audio until one has first verified that the correct bits are actually making it to the DAC.

There have been threads regarding the effect of FLAC to WAV conversion and impact on headers. There have also been threads discussing the effect of offset errors on digital sound files. There have also been threads on how two bit-identical files might sound different.


Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar


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