Correct, and I'm talking about phase because the two grooves are never perfectly perpendicular.
Please pardon the misspellings and occassional insane word substitution I'm on an iPhone
> On May 6, 2015, at 3:25 PM, DAVID BURNHAM <[log in to unmask]> wrote:
>
> 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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> https://twitter.com/MickeyRClark
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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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