History: April 9 (#2)

History: April 9 (#2)
Wikimedia Commons, CC BY-SA
April 9, 1860 On his phonautograph machine, Édouard-Léon Scott de Martinville makes the first known recording of an audible human voice.

Commentary

Commentary

On April 9, in the year 1860: On his phonautograph machine, Édouard-Léon Scott de Martinville makes the first known recording of an audible human voice. The phonautograph is the ea rliest known device for recording sound. Why April 9, 1860 matters: On his phonautograph machine, Édouard-Léon Scott de Martinville makes the first known recording of an audible human voice. What began on this day left a lasting mark on history. The effects were felt immediately and continued to shape events, ideas, and lives long afterwards. Historical context: April 9, 1860 The 19th century transformed daily life through industrial tools, transport, urban infrastructure, and expanding education. The event on this day: On his phonautograph machine, Édouard-Léon Scott de Martinville makes the first known recording of an audible human voice. Source: https://en.wikipedia.org/wiki/Phonautograph (Wikipedia, CC BY-SA)