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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Sabre DAC not 32-bit? posted by Todd Krieger on July 28, 2010 at 20:03:00:
Here's what I recently posted at another forum after I asked Wyred 4 Sound about whether there is asynch upsampling in their Sabre32 DAC's:
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I was curious enough to ask W4S about the somewhat unclear upsampling/oversampling situation with the ESS DAC chip. I was pleasantly surprised that I got answers quickly and to my satisfaction:
"Yes, our dac uses the internal oversampling. Basically, the unit will oversamples the signal to 386 times the rate of the data."
I then asked the following:
"Thanks for the reply. Are you saying if I feed it 44.1kHz redbook data, it will oversample it 386x to 17022.6 kHz?
What if I'm feeding it 96kHz signal, does it oversample it 386x to 37056 kHz?"
The answer from W4S:
"Yes indeed... 44.1kHz will go to 17,022.6kHz, and you are correct about the other rate as well. It is actually oversampling, instead of up-sampling."
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Follow Ups
- Are you sure Sabre uses asynchronous upsampling? - Jon L 09:04:19 07/29/10 (1)
- RE: Are you sure Sabre uses asynchronous upsampling? - Tony Lauck 11:00:31 07/29/10 (0)
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