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You know how in the music recording industry there was (simplifying)
first the analog vinyl disc, after which came an analog magnetic tape
format (compact cassette), after which came a digital disc (CD), so in
a way we have gone full circle (no pun intended).
Perhaps a bit surprisingly the video formats have gone through a
surprisingly similar cycle (although with rather different timelines):
Before the digital disc (DVD) there was an analog magnetic tape (VHS),
and before that there was, rather surprisingly, an analog vinyl disc
format:
http://en.wikipedia.org/wiki/Capacitance_Electronic_Disc
(Ok, technically speaking the actual devices and discs didn't precede
VHS, but the *idea* did precede it. The production was just delayed due
to poor planning and marketing.)
Nobody remembers that one, though, because it never became popular.
But it's curious how one can see such strong parallels between audio
and video recording formats.
--
- Warp
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