First Human Voice Recording: See Sound Waves! #shorts

On April 9th, 1860, Édouard-Léon Scott de Martinville captured the first known recording of a human voice using his phonautograph. He couldn't play it back, but his study of sound waves paved the way for all modern communication. #Phonautograph #AudioHistory #SoundWaves #CommunicationTech #Invention

Видео First Human Voice Recording: See Sound Waves! #shorts канала Ham Radio Gizmos