[sdiy] OT: Scratchy CDs

[Michael Boracci]

Ingo,
I see your point. I used jitter incorrectly in my example. The physical
vibration may cause errors, however in the real world the only errors that
you could hear would be so huge that you would have to be physically shaking
the machine to produce them. Audiophiles are so anal that they think in
terms of "possibilities" , if something is not hardcore impossible then they
will compensate for it.

My Ultramatch is used for word clock jitter removal only. That is not the
type of error that would be introduced during burning, but only the intial
recording to hard drive media. After that additional errors are not jitter
related but may be related to other fluctations both physical or electrical.

Thanks for the correction.

Michael







-----Original Message-----
From: owner-synth-diy at dropmix.xs4all.nl
[mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Ingo Debus
Sent: Thursday, September 25, 2003 9:55 AM
To: synth-diy
Subject: Re: [sdiy] OT: Scratchy CDs



Am Dienstag, 23.09.03 um 21:29 Uhr schrieb Michael Boracci:

> Jitter is one issue here which is non-mechanical in nature, however, I
> know
> those audiophile freaks ( I don't mean that in a bad way actually )use
> all
> kinds of isolation products to remove the effects of mechanical
> vibration.
>

I'm not sure what jitter means in this context. Clock jitter of the
audio DAC in a CD player? This cannot be caused by mechanical problems
of the CD drive, since every CD player has a data buffer. Any clock
jitter here is the jitter of an electronic (quartz) oscillator.

Ingo




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