> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Timothy Sipples
> Sent: Friday, November 28, 2014 2:14 AM
>
> [ snip ]
>
> - smoke/vapor-based recording;
> I use the word "recording" here quite consciously. These recording systems
> could not be played back
> when they were invented and used. They were simply used for studying the
> general behavior and
> characteristics of sound waves.
> Now, thanks to digital processing -- high resolution digital scans of the
> smoke imprints combined with
> computer-based reconstruction of the audio that produced the imprints -- the
> information they contain
> can be recovered. That's how the world's oldest sound recordings are now
> being retrieved.
> Unfortunately Abraham Lincoln probably didn't speak into such a mechanism, or
> at least his recording
> was lost, so it's extremely unlikely a recording of his voice will ever be
> recoverable and playable.
Might have been "fun" to hear Chopin and Liszt play "Dueling Pianos".... :-)
[ snip ]
-jc-
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