First Recorded Sound: Scott, Edison and History of Invention

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.

Unveiling History: Thomas Edison, Leon Scott de Martinville, and the Earliest Recorded Voices - Video Summarizer - Glarity

The Origins of Sound Recording: Edouard-Léon Scott de Martinville Bicentennial Symposium, April 29, 2017, Thomas Edison National Historical Park

At The Dawn Of Recorded Sound, No One Cared : All Tech Considered : NPR

Origins of Sound Recording: The Inventors - Thomas Edison National Historical Park (U.S. National Park Service)

PDF) The First Innovation to Record Sound

The audio recording: a minimal history (part one) - Audio 2G

Thomas Edison, Biography, Early Life, Inventions, & Facts

Birth of recorded sound

The first phonograph Cut Out Stock Images & Pictures - Alamy