[78-L] Removing hiss - yet another idea

[Steven C. Barr]

----- 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