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From: Patent Tactics, George Brock-Nannestad

Daniel Weiss commented

> > 
> > The Library of Congress, in an effort to preserve its collections of
> > recorded sound, is now evaluating a prototype device to extract sound
> > from phonograph records through digital imaging.
> 
> Probably a similar approach:
> 
> http://www.eif.ch/visualaudio/
> 

----- actually no. VisualAudio relies on an intermediate carrier, a large-
format black-and white film sheet. Reproduction occurs by scanning and 
conversion to digital image, but that is truly two-dimensional from the film. 
I.R.E.N.E. is so far two-dimensional, but directly from the flat record. 
Preservation-wise VisualAudio is much quicker, because the film becomes the 
secondary medium and it does not need to be scanned and digitized until 
needed. Access-wise you obviously need the digitization in a modern world.

Kind regards,


George