Experimental Eduction Projects

I've been working to develop new techniques for making historic inscriptions of sound audible, and this is one place where you can read about my latest efforts and results.

Photo: Ronda L. Sewald

What do I mean by "experimental eduction projects"? Well, eduction is the word I used in my dissertation to refer to the generation of sounds from a phonogram ("sound recording"), since it doesn't always make sense to call this "reproduction." According to the OED, to educe is "to bring out, elicit, develop, from a condition of latent, rudimentary, or merely potential existence." Many of the inscriptions dealt with here won't be "sound recordings" in the sense we usually understand. But my goal has been to play them—to educe them—just as directly and automatically as if they were.



Read here about experiments at educing historic inscriptions of sound through reverse Fourier analysisa method that allows us to "play" everything from early spectrograms to barrel organ programs to medieval music manuscripts much as though they were ordinary "sound recordings."

Optical Sound Track Method

Read here about a new method for playing oscillographic representations of sound, including phonautograms, by treating them as optical film sound tracks.


Original content copyright © 2009, Patrick Feaster.

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