The video you referenced, The Unexpected Stories You Never Learned in School , features the fascinating story of , a French printer who invented the first sound recording device, the phonautograph, in 1857. The Man Who Recorded Sound Before Edison
While Thomas Edison is often credited with the first recording in 1877, Scott de Martinville ’s work predates him by 20 years. 0gsw399jaqwagfppmdgui_source-UIHJpu5z.mp4
: Inspired by the anatomy of the human ear, Scott de Martinville built a device that used a speaking cone and a vibrating pin to etch sound waves onto paper covered in soot. The video you referenced, The Unexpected Stories You
: For 150 years, these recordings remained silent "visuals." In 2008, scientists used microscopic digital imaging to scan the soot-etched paper and play it back as audio. : For 150 years, these recordings remained silent "visuals