[78-L] Removing hiss - yet another idea

[Royal Pemberton]

I thought the Ellingtons were on Program Transcription discs--33 rpm
records, not 78.

On Tue, Feb 9, 2010 at 4:47 AM, Steven C. Barr <stevenc at interlinks.net>wrote:

> ----- Original Message -----
> From: "Michael Biel" <mbiel at mbiel.com>
> > It ha been done.  During WW II when monitoring international broadcasts,
> > occasionally they would listen with stereo headphones to two
> > simultaneous transmissions of the same program on two different
> > frequencies.  If the signal path is the same, the audio can fuse in the
> > center and leave the differing noise and interferences off to the sides.
> >
> >  The same can be said for stereo playback of a mono record. The sound
> > fuses in the center and the surface noise separates off to the sides.
> > And Walter Welch synchronized two diamond disc players with a single
> > electric motor inbetween the two machines.  He did it as an experiment
> > in effectively doubling the length of the horn to lower the lowest
> > effective frequency.  I didn't hear any difference. But it proved that
> > two turntables could be synchronized.
> >
> IIRC, that was the big problem in trying to record the "accidental stereo"
> heard on paired recordings of Ellington...trying to synchronize the two
> 78 players...?!
>
> Steven C. Barr
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