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In Reply to: RE: A bogus test for a CD player posted by KT88 on October 13, 2009 at 20:57:19
I worked for a computer manufacturer that developed optical disk technology and helped to standardize the CD-ROM format, so I am familiar with the technology and its limitations. In addition, I have practical experience with mastering audio CDs and a few "enchanced" CDs that included computer data as well as audio tracks. As it happens, one of these enhanced CDs had production difficulties and so I got to be all too familiar with all of the various limitations of the CD audio and CD data formats, and how problems can involve complex interactions between disks and players.
The nature of digital data storage is that it is designed to preserve data in spite of many errors. This is an illusion. It appears that one's data is perfect when it is on the very edge. One slight additional degradation and it's over the cliff... This property makes it very difficult to design and conduct valid experiments to test data reliability. I would say that doing this properly is almost impossible without in depth knowledge of the technology and/or without specialized test equipment.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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