By A Mystery Man Writer
The first sound to be recorded by a machine wasn't intended ever to be heard again—but modern researchers found a way around that problem.
Origins of Sound Recording: Thomas Edison - Thomas Edison National Historical Park (U.S. National Park Service)
Soundtrack to history: 1878 Edison audio unveiled
A History of Recording Sound New Inventions Lead to New Inventions! - ppt download
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History of Phonograph - Invention of First Phonograph
Listen to the Eerie Warbles of the Oldest Sound Recording in History
Digital Audio Production (IM 250)
History of Audio Production timeline
The medical mystery that helped make Thomas Edison an inventor
The first phonograph Cut Out Stock Images & Pictures - Alamy
Scott Edison's Instagram, Twitter & Facebook on IDCrawl
The invention of sound hi-res stock photography and images - Alamy
Edison vs. Scott Lapham's Quarterly
Into The Groove review: Jonathan Scott explores sound technology history
Phonautograph, recording device