This was useful in studying the characteristics of sound, but a century and a half would pass before we had the technology to play back the recordings. In 2008, audio historians recovered Scott’s “phonautograms” from the French patent office and converted his waveforms into digital audio files.The recording below was made on April 9, 1860. It’s the French folk song “Au clair de la lune,” recorded 28 years before Edison’s first wax cylinder. more
