[78-L] dubs

[Charles Bihun]

Here are a couple of links to articles about the Library of Congress' phtographic process:

http://www.lbl.gov/tt/techs/lbnl1855.html

http://en.wikipedia.org/wiki/Audio_restoration

ChuckB



________________________________
From: agp <agp2176 at verizon.net>
To: 78-L Mail List <78-l at klickitat.78online.com>
Sent: Tuesday, August 4, 2009 6:08:31 PM
Subject: Re: [78-L] dubs

At 19:41 04/08/2009, David Burham wrote:
>This is not a first for me, I've seen many records with the same 
>situation.  I've never seen a copy of the 12 inch "Harry Lauder 
>Medley" where A isn't a dub and B the original.

This got me to wondering -- when a recording such as those of Harry 
Lauder were issued in the USA (or outside of the UK for that matter!) 
contemporaneously with its domestic release, what was supplied to the 
non-domestic record company to produce disks, such as the case would 
be with Lauder's releases in the UK versus those in the US. Wouldn't 
all early 'international' releases be dubs outside their home countries?


>If it hasn't happened already, the technology will soon be in place 
>where 78s can be scanned with a laser, (not played), and even from a 
>worn disc, the result will be all of the original material without 
>any distortion, evidence of wear or remnant of the surface whatsoever.

If I'm not mistaken, the laser turntables 'could' do this, but 
apparently have their own set of problems, or I've read. The Library 
of Congress is using a system that actually photographs the groove 
and analyses that hi resolution image.

T




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