Tags » Phonautograph

The Wow Factor in Audio Restoration

Some kinds of audio restoration are on pretty firm ground these days: declicking and decrackling, for instance, or noise reduction.  But speed variance correction—the removal of wow and flutter—remains an extraordinarily daunting challenge.  3,220 more words


See the Phonautograph Turn: Motion Capture with Sound (1860)

You probably know that the phonautograms of Édouard-Léon Scott de Martinville are the world’s oldest records of airborne sound, and that we can play them back today as audio.  1,497 more words


Creepy audio from the 19th century

This 1860 phonautogram by Édouard-Léon Scott de Martinville is the first known sound recording with a human voice.

Sounds a little scary. But when he recorded his phonautograms, he didn’t expect that once they would be played back, because the phonograph was only invented in 1877, by… 67 more words


The First Phonautograph in America (1859)

In 1859, a wealthy Philadelphia merchant named Charles N. Bancker bought a phonautograph for his lavish private collection of scientific apparatus.  It may have been the first phonautograph ever sold, and perhaps even the first one professionally built.  6,074 more words


Pitch & Timbre


If you were able to ask George Washington a question, what would his answer sound like?

I wonder.  In portraits his mouth is always closed, due to the state of his teeth.  654 more words

Theodore Roosevelt