Édouard-Léon Scott de Martinville invented the phonautograph in 1857. It recorded sound as visual wave patterns but could not play audio. In 2008, researchers converted an 1860 recording of the French song “Au Clair de la Lune” into sound. It is the earliest known recording of a human voice.
Listen to it in the connected post under this one.
🎶📜🔊

[Read more]
@GoogleFactss
#History #SoundRecording #Science #Innovation #MusicHistory