Édouard-Léon Scott de Martinville, invented the first…
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Édouard-Léon Scott de Martinville, invented the first sound recording device, the phonautograph, in 1857. In 2008, his phonautogram, squiggles on paper that he never heard, was first converted into an audio file, a 10-second snippet of the folk song Au Clair De La Lune sung by the inventor himself.
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