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In Reply to: This Is Disgusting..... posted by Todd Krieger on May 5, 2007 at 18:29:36:
Time to get serious about RF noise reduction.
Follow Ups:
What about using on optical output from my PC (my soundcard has one)? Then only jitter should be an issue and I can use one of my Monarchy Dips to take care of that.
to couple RF noise from your PC to your audio system. These can be addressed.Every setup is different, and will have different amounts of RF noise from various sources. Experimentation is the best way I know to determine which sources and pathways are the strongest, and which counter-measures are the most effective for reducing them.
.... for believing that I could somehow get a musical signal out of a high-powered computer, in spite of being so aware of the RFI problem in digital playback.....I guess I had faith in the PC audio bandwagon, and hoping my presumption on RFI might be proven wrong..... And for a while, I thought the Emperor's new clothes were just stunning.....
Then when I slapped in the Magnavox changer, I suddenly realized that the Emperor wasn't wearing anything.....
Todd,SOunds like you are throwing the baby out with the bathwater.
As Al metioned RF can be adressed, you just need to be diligent.
FWIW, Try a highend solution before giving up. IME PC audio can be a significant step up from a CDP.
According to Al, it doesn't really matter if you have a PC or not, RF is all over and comes from all the items that have pcs in them and switching powersupplies that are always on even when you turn them off(like Tivos and TVs and Cable boxes, and microwave ovens, refridgerators, etc.)
I have some exposure to this product and know a little about the design efforts. They have put a lot of effort into the suppression of RF noise inside and outside the box. The result is the cleanest digital-source audio I know of.It would be nice if we could slap some ERS cloth or TI shield material inside a PC and get good sound, but the reality is that a lot of attention is required to go from something that [usually] works for e-mail and sending photos to Grandma, to something that can take the bits from the hard drive and deliver an analog signal that resolves all the encoded information with spurious tones below the inherent noise level.
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