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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: "burning in" considered harmful? posted by that's, my name on July 31, 2006 at 11:25:25:
HowdySure it's a problem, jeeze just do the numbers, take the accuracy of a typical crystal, take assume one is at it's max deviation on the high side and the other is at it's max on the low side. Then see how many samples at 44.1k / sec can go by before you are a sample off, you might be surprised. In real life a transport doesn't know if it's input is coming from an ipod, a CD, streaming radio, a digital audio workstation looping data... You can't just buffer up a disc worth of data and quit. DACs have to work with any sane input. It's a real problem.
It's pretty arrogant to assume that if you haven't heard of a problem that it doesn't exist: The reason you haven't heard of the problem is that all sane DACs use PLLs, ASRC or the topology I described to avoid this (and other) problems, not the simplistic "bits-is-bits" view that so many computer-savvy but real-world-engineering-nieve people seem to have.
-Ted
P.S. we didn't discuss burn-in on another thread, I gave my opinion and left your response (along with some other nieve responses) uncontested.
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Follow Ups
- Nieve buffering considered harmful - Ted Smith 12:10:01 07/31/06 (4)
- Re: Nieve buffering considered harmful - that's, my name 13:15:59 07/31/06 (3)
- Re: Nieve buffering considered harmful - that's, my name 13:37:18 07/31/06 (1)
- Hmm... - Ted Smith 13:53:36 07/31/06 (0)
- Nope, it's suposted to meen I mistiped on the spelling chekr [nt] - Ted Smith 13:27:22 07/31/06 (0)
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