In Reply to: RE: sounds positive posted by simon wagstaff on May 8, 2011 at 08:55:56:
If upsampling took place, there won't be any useful material above 20kHz when looked at in one of the computer audio analysis programs. Now, if they went back to those mythical analog originals, there will be be audio info beyond 20kHz. And for it to be believable, it would have to be music spectra at least out to 28kHz. Either the DVD-A or the Blu-ray audio would be needed for the analysis.
Edits: 05/16/11
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- there's an easy way to find out - Joe Murphy Jr 10:02:43 05/16/11 (0)