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DAC: what's the difference between 24/192 and 24/96 khz? - Page 3

post #31 of 36
Quote:
Originally Posted by music_man View Post
doesnt every modern dvd player output redbook at 96khz on it's s/pdif output? every player i have hooked to a dac lights up the 96khz locked light when playing redbook cd's.

music_man
Or 48Khz - my Philips is switchable between the two.
post #32 of 36
Quote:
Originally Posted by lowmagnet View Post
Sure, if your speakers/phones can do it (most can't, my HD650 can, but who cares, I listen to 44.1/16)
Read also about this:

http://www.cco.caltech.edu/~boyk/spectra/spectra.htm

it's about frequencies above 20khz and this paper shows that most instruments do have frequencies above 20khz. That's why sacd, goes to 100khz and turn tables sound better then 16/44.1khz cdplayers. They are simply not limited in frequency range.
post #33 of 36
Quote:
Originally Posted by Spare Tire View Post
Sharp SM-SX300 1-bit Amplifier
11.2 MHz sampling
http://www.audiocubes2.com/brand/Sha...Amplifier.html

I don't know if the it's only the digital amp that samples 11.2MHz or if the DAC also goes that high, or if there's any difference in concept between the dac and the amp in here.
I had a look at the specs and i think the dynamic range of 105 is a bit low for 11.2 mhz sampling! Most cdplayers have a dymanic range of 115 or 120 nowadays.
post #34 of 36

Tubes can easily go outside the 20-20k range

And my ATH-A900 go up to 40KHZ - so some of the harmonic distorsions make their way up to the ears - you feel it like a pleasant ringing, and instruments (violins, wind instruments) sound so much better.
Quote:
Originally Posted by lowmagnet View Post
Sure, if your speakers/phones can do it (most can't, my HD650 can, but who cares, I listen to 44.1/16)
post #35 of 36
Quote:
Originally Posted by hciman77 View Post
Sampling rate directly dictates the maximum frequency available for PCM i.e most standard CD systems - 44.1khz sampling rate dictates that the highest frequency that can be returned is 22.05khz i.e 1/2 the sampling rate - on some(most) systems the cutoff is pragmatically set a little lower i.e 20khz.

Bit-depth i.e 16 or 24 dictates resolution i.e the maximum no of discrete signal levels that can be rendered (for PCM systems) .

So a 16/44.1 system will give you roughly 20 - 20k with each sample having a range of 0000000000000000 to 1111111111111111 i.e 0 - 63535.
Ah okay, thanks for the explanation.
post #36 of 36
Quote:
It basically says that upsampling to 192 is bad because it gives more work for the DAC to do and hence, more room for error.
That's just a manufacturer explaining why they didn't use 192Khz.

I've tried all upsampling settings on my Stello 220: bypass, 48, 96 and 192. Most of the time 192 sounds best, but there are some numbers in my collection where bypass absolutely is better. Do note most of the time the differences are VERY slight (as in on the edge of audible). Nowadays I simply leave it on the 192 setting.

768Khz upsampling:
http://www.caryaudio.com/pdfs/remote...32Protocol.pdf
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