Not sure where to start… but there are several links off these pages that may peak your interest
History amended by earliest recording of sound...
http://www.cnn.com/2012/02/08/us/earliest-recordings-sound/index.html?hpt=hp_bn1The earliest known sound recordings can be heard at
www.firstsounds.orgThe video of David Giovannoni is interesting…
Experimental Recordings from the Volta Laboratory
A partnership between the Smithsonian Institution, the Lawrence Berkeley National Laboratory, and the Library of Congress has recently demonstrated that current technologies can play back experimental recordings made in Washington DC between 1881 and 1885 by the Volta Laboratory Associates.
http://www.firstsounds.org/sounds/volta/index.php Lawrence Berkeley National Laboratory's virtual stylus technology, which sought to track the soot-scratched wavy lines as though they were standard record grooves.
http://irene.lbl.gov/
