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Upsampling DACS: Take the Pepsi Challenge

HAs anyone used 2 of the following 3 relatively inexpensive upsampling DACs: Perpetual technologies, Bel Canto, MSB Link 3 with upsampling upgrade?? I am trying to sort out the details of the new technologies. The Perp Tech can "interpolate", while the others do not. I am under the impression that the "24 bit" part of this new technology has to do with s/n ratios aroung 140 db, which is great, but a little useless considering the other equipment in the system. The sampling freq is the part that has me all aflutter, because it seems to be getting closer to analog quality "infinite sampling" if you will... What do you think? Has anyone compared these dacs?? Thanks, gang.
gthirteen
garfish
1,840 posts
 
Hi Kevin; Can you tell us where the article re: upsampling/oversampling you refer to will be posted or published? Thanks. Craig.
carl_eber
1,425 posts
 
And Jordan, how many CD players or DACs have YOU designed? I want to know, because it seems to me that you are pretending that you have. How about letting those who design them speak for themselves? Also, onon of you have answered how your systems perform on my little test. I submit that you are afraid to perform it.
carl_eber
1,425 posts
 
....very afraid....
albertporter's avatar
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albertporter
4,949 posts
 
Regarding "taking the Pepsi Challenge", I logged on to the Pepsi web site, and cannot find where they actually market a Upsampling DAC of any kind. Thinking Gthirteen confused Pepsi with Coca Cola, I visited Coke's site too....still no DAC's. Are you guys sure that these fine soft drink companies are into digital, or perhaps their "fizz" is all "0's" and no "1's".
khmuse
42 posts
 
As soon as the author gives me permission, I will post a note on this thread and will likely also build a link from our web site. Kevin Halverson
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