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Édouard-Léon Scott de Martinville ([e.dwaʁ.le.ɔ̃ skɔt də maʁ.tɛ̃.vil]; 25 April 1817 – 26 April 1879) was a French printer, bookseller and inventor.. He invented the earliest known sound recording device, the phonautograph, which was patented in France on 25 March 1857.
The phonautograph is the earliest known device for recording sound.Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other mediums.
Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The second wave of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels in ...
This recording went largely unnoticed and was overshadowed by Thomas Edison's phonograph, which famously recorded "Mary Had a Little Lamb." However, in March 2008, researchers rediscovered Scott de Martinville's recording and sent it to the Lawrence Berkeley National Laboratory, where they used a computer program to convert it into audible sound.
Early recordings for the classical guitar had often have a low or limited audio quality since recording technology was just in its beginning phases, with the earliest known guitar sound recorded in either 1853 or 1854 recorded the phonautograph by Édouard-Léon Scott de Martinville. The phonautogram features a snippet of Adolphe Giacomelli ...
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In 2008, a phonautograph paper recording made by Édouard-Léon Scott de Martinville of "Au clair de la lune" on 9 April 1860, was digitally converted to sound by researchers at the Lawrence Berkeley National Laboratory. This one-line excerpt of the song is the earliest recognizable record of the human voice and the earliest recognizable record ...
The racist comments on a recording that rocked Los Angeles City Hall ensnared Councilman Kevin de León in controversy. The tape also revealed an undercurrent of ambition and grievance in his ...