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Article #266

Analog Tape Hiss & Dither

#266
From: John Atkinson
Date: Tue, 22 May 2001 17:47
23 lines
2429 bytes
"Arny Krueger" <arnyk@pop3free.com> wrote in message news:<kCsO6.3393$7K.519145501@newssvr16.news.prodigy.com>...
> Now that I've finally gotten John Atkinson to admit over in RAHE that
> tape hiss CAN act as dither, Dormer is my number one candidate for
> "Ostrich of the Year".
 
Mr. Krueger, I have no idea why you are raising my name in newsgroups
to which I do not subscribe, hence my crossposting this response to
r.a.o. However, to examine this statement of yours above, the discussion
to which you are referring involved your claims that the "room sound"
on live recordings would act as dither, not "tape hiss." As was pointed
out to you at the time by others, this background noise is far too "red"
to provide any dithering action.
 
With respect to tape hiss or even electrical noise, both of which
are "whiter" in color than acoustic backround noise, whether or not
these can act as dither will depend on their exact level and spectrum. 
I don't believe I have said otherwise. What I have said is that if the 
noise is too far above the digital noisefloor, then it will be treated 
by the ADC just as any other component of the original analog signal.
 
Sincerely
John Atkinson
Editor, Stereophile
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From: stereophile_editor@compuserve.com (John Atkinson)
Newsgroups: comp.sys.ibm.pc.soundcard.tech,creative.products.sound_blaster.live,rec.audio.opinion
Subject: Analog Tape Hiss & Dither
Date: 22 May 2001 10:47:31 -0700
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