Print

Print


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
 Follow me on Twitter
 https://twitter.com/MickeyRClark
 M.C.Productions Vintage Recordings
     710 Westminster Ave. West
          
    Penticton BC
                 V2A
 1K8
             1-250-462-7881
     http://mcproductions.ca
 ----- 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)/
 >
 
 ---
 This email has been checked for viruses by Avast antivirus
 software.
 http://www.avast.com