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In Reply to: RE: Truncated experience? posted by Tony Lauck on June 24, 2010 at 13:59:04
"There was an AES study that reached the conclusion in the summary that there were no significant differences between high res PCM and DSD, despite the body of the same article pointing out there were a few subjects who could clearly and reliably hear the difference."
The Blech-Yang convention paper is interesting. I will have to read it more closely.
I have pointed out to E-stat the importance of considering the purpose of a test and the appropriate standards. Blech and Yang say that:
"The results showed that hardly any of the subjects could make a reproducible distinction between the two encoding
systems. Hence it may be concluded that no significant differences are audible."
So, from a purely statistical point of view, there is a significant difference, so the authors do not disagree with you on that. They suggest, however, that the 4 Tonmeister students who did obtain significant results using headphones may have been hearing an artifact of the test process rather than a difference between DVD-A and SACD.
However, it would appear that the authors also applied another standard for some other purpose, I presume a practical one.
__
"Always be sincere, whether you mean it or not."---Flanders & Swann
Follow Ups:
The fact is that if 4 people can hear a difference, then it is likely to be audible. Even likely that the majority will be able to hear the difference once the "trick" of how to do so is explained. If you want to wallow around in the 50% percentile of excellence (a.k.a. mediocrity) be my guest. I prefer to reside in the upper half percent (a.k.a. excellence).
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
It still remains to be shown just what it was those 4 heard. The difference(s) may not have been related to the recording format, as the authors pointed out.
I congratulate you on your excellence.
__
"Always be sincere, whether you mean it or not."---Flanders & Swann
If the authors had been scientists rather than students or if there had been any money in Audio, they would have gotten to the bottom of the matter.
Right now, I am listening to a Mozart Violin concerto performed by Joseph Fuchs and Eugene Gossens, transferred from the 35mm Everest master, digitized at 96/24 and purchased from HDtracks.com and downloaded while I was out to dinner. Nice. Definitely not a truncated experience. :-)
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Definitely not a truncated experience. :-)
is you don't choose to "wallow in mediocrity". :)
rw
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