[opendtv] Re: Watching live remote baseball games
- From: "Manfredi (US), Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Sat, 29 Sep 2018 01:28:25 +0000
Mark Schubin wrote:
for 50 years before television is the subject of my paper just
published in the /Proceedings of the IEEE/ (free link):
http://bit.ly/pre-tv
Suspensfully written, Mark. I couldn't figure out where this was going, at
first. Nice!
Funny how these evolutions have a way of repeating themselves. Before the era
of videoteleconferencing, and certainly before webex, our office was invited to
see a demo of a remotely controlled blackboard, at a local AT&T office. In
essence, what looked like white chalk lines appeared on the blackboard from a
remote site, and the blackboard could also be used to transmit pictures the
other way. Audio was from a telephone line.
Same sort of idea. When communications bandwidth is lacking, you have to
essentially build a replica of the physical venue, as it were, and create
movement only in the bare essentials. It's a form of bandwidth compression.
(At that AT&T presentation, all I could think was, just show us the presenter,
and his board, on video. That would be useful. Webex is not there yet. Large
screen 4K videoconferencing should be good enough, to read an actual board,
although now it's easier to transmit the PowerPoint viewgraph.)
Bert
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