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'[OT] Video recording software for school TV studio'
2007\04\18@012811 by William Chops Westfield

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Since video came up, I thought I'd ask this question that I've
been thinking about...


Problem definition:

Our schools have closed circuit (or maybe cable) TV, over which
the students broadcast a home-grown News/announcements/etc
program for about 5 minutes each morning.  Currently they
archive the shows to video tape, so the students doing the
show can eventually watch themselves, but finding a particular
5 minute segment in a pile of multi-hour tapes can be quite
a challenge.


What I want:

I'd like to find software (and hardware, but I assume that part
is relatively easy) for a basically stand-alone, unattended box
that could connect to the TV studio "output", sense when there
is active/good video, and record that to a time-stamped file that
would be accessible on the school computer network (I assume the
"network accessible" part is reasonably easy as well.)  Momentary
glitches should probably not cause a new file to be created, but
perhaps there should be a maximum length allowed?  The automatic
sensing of good signal and automatic recording to timestamped file
is the important part.

Does anyone know of anything that does this?

Thanks
Bill W

2007\04\18@024253 by Robert Rolf

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William Chops Westfield wrote:
> I'd like to find software (and hardware, but I assume that part
> is relatively easy) for a basically stand-alone, unattended box
> that could connect to the TV studio "output", sense when there
> is active/good video, and record that to a time-stamped file that
> would be accessible on the school computer network (I assume the
> "network accessible" part is reasonably easy as well.)  Momentary
> glitches should probably not cause a new file to be created, but
> perhaps there should be a maximum length allowed?  The automatic
> sensing of good signal and automatic recording to timestamped file
> is the important part.

If the broadcast is every morning, isn't it likely to be at the same time
every day? In which case a chron job to start and stop recording
should be sufficient.

What is on the channel when they are not broadcasting?
It's relatively easy to sense the presence of video. It is not as simple
to decide it's 'good' although the usual motion sensing security
software would probably be sufficient, and it WOULD automatically
create files for 'alarm' conditions resulting from detected motion.

Robert

2007\04\18@065009 by Jake Vickers

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face
William Chops Westfield wrote:
{Quote hidden}

The software I mentioned to Vitality may work. But it sounds like more
of a custom written thing to me. Would be easier to take something
already canned (like Palantir or Zoneminder) and modify it to fit your
needs.

2007\04\18@072029 by Peter P.

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*nix dvr. E.g. Mythtv etc

Peter P.


2007\04\18@091116 by alan smith

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I use pinnacle and....ok...brain cramp.....the video capture box that is USB interfaced.  I'll remember the name after I send this of course.  You would have to manually start and stop it but that shouldnt be a big deal right?  And it time stamps the file as it captures and stores to the disc.  You can then burn the entire months broadcasts on a DVD.  Seems that could be the easiest way.  If you dont capture live....just take the vcr tapes and capture afterwards but of course the quality is two generations old.  Moviebox...there...I remembered.
     
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