Hi - well, i was able to attend and it was quite fascinating. afterwards, Dr. Haber invited me to his lab, where i viewed some of the equipment. if you're interested, go to his site and review the materials housed there:
http://www-cdf.lbl.gov/~av/ Rene Rondeau has provided him with some recorded tinfoil, but he hasn't had time to work up a jig to read it. -- peter On May 26, 2006, at 7:41 AM, Peter Fraser wrote: > > > Begin forwarded message: > >> Interdisciplinary Instrumentation Colloquium >> >> Using Optical Metrology to Reconstruct Mechanical Sound Recordings >> >> Speaker: Carl Haber >> Physics Division, LBNL >> >> Date: Wednesday, May 31, 2006 >> Time: 4:00 PM sharp >> Place: LBNL, Building 50 Auditorium >> (directions at http://InstrumentationColloquium.LBL.gov) >> Prior to 1950 nearly all sound >> recordings were made on mechanical media such as wax, foil, >> shellac, lacquer, and plastic. Some of these older recordings >> contain material of great historical value or interest, but are >> damaged, decaying, or now considered too delicate to play. >> Archives seek to preserve and also create broad access to their >> collections. >> >> An ongoing effort at Berkeley Lab has applied methods of optical >> metrology and image processing to reconstruct sound stored on these >> mechanical carriers. Of note is the IRENE project which will >> provide an optical scanning system to the Library of Congress. >> This talk will focus on technical aspects of optical sound >> reconstruction as practiced at the Lab. > > -- Peter > [email protected] > > > > _______________________________________________ > Phono-L mailing list > [email protected] > > Phono-L Archive > http://phono-l.oldcrank.org/archive/ > > Support Phono-L > http://www.cafepress.com/oldcrank

