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20 years before Edison recorded sound, Edouard-Léon Scott de Martinville made what’s now the oldest known recording of a human voice. https://www.bbc.com/reel/video/p0j7x5f7/listen-to-the-oldest-known-recording-of-a-human-voice
20 years before Edison recorded sound, Edouard-Léon Scott de Martinville made what’s now the oldest known recording of a human voice. https://www.bbc.com/reel/video/p0j7x5f7/listen-to-the-oldest-known-recording-of-a-human-voice