[78-L] Removal of hiss on 78 transfers

[Steven C. Barr]

----- Original Message ----- 
From: "Michael Biel" <mbiel at mbiel.com>
> And that is where the laser can come in.  If it is looking at only the 
> part of the groove where the protrusion will appear, it will hear it 
> just like a stylus point that is also touching only that section of the 
> wall.  But if it can look at the whole wall, it could know that the 
> protrusion is not in keeping with the shape of the recording stylus and 
> would ignore it. 
> 
However, as my previous post notes, there is NO easy way of telling
whether a "protrusion" is a particle of filler about .0673" across...or
a segment of the waveform generated by a 6KHz element in the
recorded signal...!

Steven C. Barr