Hi Olaf, It depends a lot on the effect that you're interested in achieving. One of the reasons that we picked this array is that they can be hooked up into larger sized panels. See http://www.seeedstudio.com/wiki/Rainbowduino_LED_driver_platform_-_Atmega_328 for details.
We intentionally went out and added the ethernet shield so that it doesn't have to be located by the capture agent - the capture agent can push updates to it wherever it is as long as there is network connection. A side effect of this is that you can broadcast to multiple LED matrixes, so you could place them in different parts of the classroom if you wanted to. Also, if vendors were interested in piggy backing off of this (or commercializing it), there is lots of opportunity there, it doesn't have to be specific to the reference agent. Regards, Chris On Mon, 20 Aug 2012 22:07:31 +0000 "Schulte Olaf A." <[email protected]> wrote: > Nice work, I like the deskcast. Could you indicate what alternative > displays one could hook to that setting? You mentioned the "On air" > display, maybe you came across something more similar to that. The > LED seems a little to small given the CA plus infrastructure will be > at the far end of the room in some situations. > > O > > >-----Ursprüngliche Nachricht----- > >Von: [email protected] [mailto:matterhorn- > >[email protected]] Im Auftrag von Christopher Brooks > >Gesendet: Montag, 20. August 2012 18:25 > >An: [email protected] > >Betreff: [Opencast Matterhorn] Matterhorn "Spot" > > > >Hi all, > > > >We have had a couple of summer students over the years considering > >how we might solve the audio "on air" issue. Just to recall, it > >would be nice to have some confidence monitoring that let students > >and the instructor know that the recording was happening and audio > >levels were ok without having to log into a full web interface/etc. > >The thought was that an "on air" light from radio/tv broadcast would > >work well, even better if it pulsed with the rhythm of the speaker, > >giving direct feedback that audio was being captured. > > > >Matterhorn Spot is our take on this. It uses an Arduino board to > >run an LED matrix. gstreamer appsinks are used to collect audio > >data, which is then sent via the network to the arduino to process. > >It's fairly simple, and the materials to build it cost around $100, > >but some could be cut out now that we have a prototype. > > > >A full set of source code for this is now in contrib/spot. It's all > >ECL licensed so you can do pretty much whatever you want with it. > >We would love to hear some feedback as to whether this seems like a > >promising direction to go, I'm hoping we can sneak it out for > >testing this fall. > > > >Here's the URL to the svn repo: > >https://opencast.jira.com/svn/MH/contrib/spot/ > > > >And here's a video demonstrating it: > >https://opencast.jira.com/svn/MH/contrib/spot/overview.m4v > > > >(we still need an enclosure btw, the plywood box isn't as hot as I > >had hoped ;) ) > > > >Chris > > > >-- > >Christopher Brooks, BSc, MSc > >ARIES Laboratory, University of Saskatchewan > > > >Web: http://www.cs.usask.ca/~cab938 > >Phone: 1.306.966.1442 > >Mail: Advanced Research in Intelligent Educational Systems Laboratory > > Department of Computer Science > > University of Saskatchewan > > 176 Thorvaldson Building > > 110 Science Place > > Saskatoon, SK > > S7N 5C9 > >_______________________________________________ > >Matterhorn mailing list > >[email protected] > >http://lists.opencastproject.org/mailman/listinfo/matterhorn > > > > > >To unsubscribe please email > >[email protected] > >_______________________________________________ > _______________________________________________ > Matterhorn mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/matterhorn > > > To unsubscribe please email > [email protected] > _______________________________________________ -- Christopher Brooks, BSc, MSc ARIES Laboratory, University of Saskatchewan Web: http://www.cs.usask.ca/~cab938 Phone: 1.306.966.1442 Mail: Advanced Research in Intelligent Educational Systems Laboratory Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon, SK S7N 5C9 _______________________________________________ Matterhorn mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/matterhorn To unsubscribe please email [email protected] _______________________________________________
