Actually, Mickey, Pete is correct. What you are describing is polarity reversal, as Michael Biel is usually only to happy to discuss.
Dave
--------------------------------------------
On Wed, 5/6/15, Mickey Clark <[log in to unmask]> wrote:
Subject: Re: [ARSCLIST] Playing Edison Diamond discs
To: [log in to unmask]
Date: Wednesday, May 6, 2015, 1:43 PM
Pete-Phasing is inverting the
waveform - no delay temporally-Mickey
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----- Original Message -----
From: "Pete Tinker" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, May 06, 2015 8:51 AM
Subject: Re: [ARSCLIST] Playing Edison Diamond discs
> Please forgive this uneducated question. Much of
the discussion on this
> topic has focused on the "phase" of different
transfers. I'm not a
> signal processing guy, but to me "phase" involves the
frequency of the
> signal, so changing the phase is a temporal shift in
the signal (a
> lateral shift along the time axis) by a fraction of
some wavelength. At
> times in this discussion, it seems that the intention
of changing the
> phase is a reversal of the amplitude of the digital
signal (mirroring it
> across the time axis), for which frequency is
irrelevant.
>
> If I have a stereo signal from a hill 'n' dale source,
it seems the
> preferred next step is to invert the phase of one
channel and then
> combine (add) the two channels prior to any digital
noise reduction.
> What is the meaning of "phase" in this context?
>
> --
> *Pete Tinker*
> West Hills, CA 91307
> 818-three/four/six-5213
> 818-six/nine/four-5213 /(cell)/
>
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