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Old 07 May 2013, 10:32 pm   #1
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Join Date: Jul 2004
Posts: 372
Lightbulb Recording of Alexander Graham Bell from 15th of April, 1885 - optical scan refiltered

This is an optical scan of a four and a half minutes long recording of Alexander Graham Bell's voice, from the Smithsonian Volta Laboratory Collection.

The voice in the original audio file is too hard to comprehend due to masking by loud background noise, pops, clicks and scratches, and Volta's own filtered version is also too incomprehensible, due to aggressive modification of the audio's frequency range and no reduction of those artifacts.

This is a better filtered version:


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