Patrick Dixon;131182 Wrote: 
> I give up!
I take it that this is a response to my second post in this thread.
Saying "I give up" doesn't contribute much. It would seem that you
believe that my understanding of what upsampling does is wrong. I'm
genuinely interested in finding out whether I've misinterpreted what
upsampling is all about.

Further thought suggests to me that it's possible that the
interpolation may not actually generate any higher frequencies, and
that upsampling prior to the DAC is simply a digital alternative to the
analogue post-DAC filter used in a "traditional" D/A conversion process.
If that is the case, then I'm happy to accept that I have misunderstood
what upsampling is all about.

But all the published material I've seen (which admittedly is on the
marketing side of things) from the likes of dCS seems to imply that the
purpose of upsampling is to "fill in the gaps" and allow a higher
sampling rate DAC to be used, with the clear implication that this
produces extra high frequencies and gives the eventual signal more
"resolution".

Which is it?


-- 
cliveb

Performers -> dozens of mixers and effects -> clipped/hypercompressed
mastering -> you think a few extra ps of jitter matters?
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View this thread: http://forums.slimdevices.com/showthread.php?t=26685

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