Extracting Audio from Pictures!!

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This is amazing! They have actually extracted the audio information from a picture or photograph of the pressed disk: Extracting Audio from Pictures | media preservation.

Extracting Audio from Pictures

POSTED BY MEDIAPRESERVATION ⋅ 06/20/2012

Three years ago, a survey team identified a staggering 569,148 time-based media objects on the Bloomington campus of Indiana University—that’s over half a million sound recordings, video recordings, and reels of film. The earliest items documented in the survey report date back to 1893.

However, that report doesn’t mention what might be considered IU Bloomington’s oldest time-based media of all. That’s not because we didn’t do a thorough job. Rather, it’s because the items in question don’t look or behave much like the media we were surveying—discs, reels, cylinders, cassettes, and so forth. Instead, they’re pictures in books. And pictures in books seem well outside the scope of the Media Preservation Initiative.

In the most recent Internet Oracularities:

Quote

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Found this one particularly humourous:


--- 1514-08 --------------------------------------------------------------
Selected-By: Ian Davis

The Internet Oracle has pondered your question deeply.
Your question was:

> Why is this a "gateway"?  Why not a "doorway" or an "archway"?

And in response, thus spake the Oracle:

} The concept of a "gate" covers more territory. Think of floodgates, or
} of the Pearly Gates of Heaven and the Fiery Gates of Hell, or of the
} Unavoidable Gates of Microsoft.

Endless Amusement (1820) | The Public Domain Review

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I recall a recent book that talked about doing dangerous things, sort of a primer for kids to get involved in science and experimentation. I happened along this via a link to something else: an 1820 publication called Endless Amusement that lists all sorts of experiments one can play with. Some of this is decidedly dangerous (the appendix on making fireworks, for example).

Interesting publication!

Endless Amusement (1820) | The Public Domain Review.