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In Reply to: RE: An insolent provocation .... if a usb dac is very well design (and built) the pc quality should not matter posted by Tony Lauck on December 10, 2014 at 12:24:27
You blame reviewers? In my camp, Async USB is affected by the computer source due to common-mode noise. Some USB ports on computers are better than others in this regard, and better power supplies probably help here. USB common-mode filters help a lot. Galvanic isolation fixes it.
If the USB port on the computer is really poor, there may be high error rates too. Gordon has supposedly measured these. I cant seem to get the same result when I make the measurement though. Errors seem to be rare, but maybe I just have really good computer USB ports. I stay away from Dell and others that are notorious for cheap I/O infrastructure.
Follow Ups:
Reviewers are low hanging fruit..an easy target.
I don't take reviewers seriously enough to assign them blame.
They are literally the blind leading the blind in most cases.
I actually agree with you on this one. Their systems are equally poor too. There are a few exceptions though.
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