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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: Looking for serious reading material posted by Ted Smith on March 18, 2014 at 12:46:16:
I'll have to look some more details on DDS circuitry. The patent that I read was mostly about the complete system and didn't contain much information on the specific DDS circuit. What it said pretty much matched my model of how such a device might work, except for some additional detail of the DS DAC used to generate the quadrature synthesized waveforms. (Which I didn't understand, in that no one really understands DS modulators, or at least if they do they aren't talking... )
Thanks for your help. Incidentally, I would be curious to see how your DAC sounds when playing PCM files converted in the computer to DSD128 by various programs such as HQPlayer, vs. how the same files sound when the native PCM is converted by your FPGA. Perhaps some of the reviewers can conduct these listening tests.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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- RE: Looking for serious reading material - Tony Lauck 13:45:34 03/19/14 (0)
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