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 PREMIER ENREGISTREMENT DE VOIX AU MONDE..avant THOMAS EDISON

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Number of posts : 393
Registration date : 2006-11-17

PostSubject: PREMIER ENREGISTREMENT DE VOIX AU MONDE..avant THOMAS EDISON   Sat 29 Mar - 12:02

http://www.firstsounds.org/sounds/1860-Scott-Au-Clair-de-la-Lune.mp3

Earliest Known Voice Recording Discovered in France

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Jason Dearen in San Francisco
Associated Press
March 28, 2008

At first listen, the grainy high-pitched warble doesn't sound like much, but scientists say the French recording from 1860 is the oldest known recorded human voice.

The 10-second clip of a woman singing "Au Clair de la Lune," taken from a so-called phonautogram, was recently discovered by audio historian David Giovannoni.



The recording predates Thomas Edison's "Mary Had a Little Lamb"—previously credited as the oldest recorded voice—by 17 years.



The tune was captured using a phonautograph, a device created by Parisian inventor Edouard-Leon Scott de Martinville that created visual recordings of sound waves.

Using a needle that moved in response to sound, the phonautograph etched sound waves into paper coated with soot from an oil lamp.

Clues to Discovery

Giovannoni and his research partner, Patrick Feaster, began looking for phonautograms last year and in December discovered two of Scott's—from 1857 and 1859—in France's patent office.

Using high-resolution optical scanning equipment, Giovannoni collected images of the phonautograms that he brought back to the United States.

"What Scott was trying to do in 1861 was establish that he was the first to arrive at this idea," Giovannoni said.

"He was depositing with the French Academy examples of his work."

"We took those images back to Lawrence Berkeley National Laboratory and found that [Scott's] technique wasn't very developed," Giovannoni said.

"There were squiggles on paper, but it was not recording sound."

So Giovannoni, who collaborates with many other audio historians, including scientists at Berkeley, asked the French Academy of Sciences to send digital scans of more of Scott's papers. Those scans arrived on March 1.

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"When I opened up the file, I nearly fell off my chair," Giovannoni said.

"We had beautifully recorded and preserved phonautograms, many of which had dates on them."

While Giovannoni was excited by the images, they still needed to be translated into sound.

Creating sound from lines scrawled on sooty paper was a job for Berkeley lab scientists Carl Haber and Earl Cornell. Haber and Cornell had previously created sound from phonautograms that Edison had created in 1878 of trains.

The scientists used optical imaging and a "virtual stylus" to read Scott's sooty paper.

They immediately got sound, but because the phonautograph was hand-cranked its speed varied, thereby changing the recording's pitch.

"If someone's singing at middle C and the crank speeds up and slows down, the waves change shape and are shifting," said Cornell.

"We had a tuning fork side by side with the recording, so you can correct the sound and speed variations."

On March 3, Haber and Cornell sent audio back to Giovannoni, and another engineer further fine-tuned the recording to bring the voice out more from the static.

"When I first heard the recording as you hear it … it was magical, so ethereal," said Giovannoni.

"The fact is it's recorded in smoke. The voice is coming out from behind this screen of aural smoke."

Scott never intended for anyone to listen to his phonautograms, but the result of this work will be played in public on Friday at the annual conference of the Association for Recorded Sound Collections at Stanford University.

Copyright 2008 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
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Registration date : 2006-11-17

PostSubject: Re: PREMIER ENREGISTREMENT DE VOIX AU MONDE..avant THOMAS EDISON   Sat 29 Mar - 13:00

il y a tellement quelque chose d'un autre temps (je sais, je suis captain obvious ce matin) dans ce genre d'enregistrement

ca me fait toujours un peu peur, c'est comme entouré de fumée

*edit: je me viens de me rendre compte que ça a été enregistré dans la fumée. fawk.
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