Tag Archives: Video
Axis of Openness
Frustrated with the poor image quality and/or interfaces of our existing IP cameras, it’s time to search for better alternatives. New trends in IP camera technology include megapixel sensors, h.264 video encoding and, reportedly, open standards. There are several interesting … Continue reading
Testing IP cameras, part 2
Now we’ve seen that the nice and simple DCS-900 is pretty handy when controlled from Linux with no ActiveX. Time to examine the much more complex DCS-3220g, which should give us MPEG-4 encoded video. It’s another rebadged Vivotek as far … Continue reading
Testing IP cameras – pt.1
Since ERA already has some IP cameras from previous years, it’s probably time to dust them off and try them out with the new Asus 901s. We have a pair of D-Link badged items – a DCS-900 wired-only Motion-JPEG camera … Continue reading
Investigating video upgrades
During our field trials, it became clear that the built-in video camera on the Asus EEE 901 (and 701) is in the wrong place for our needs. The 901 camera itself is a pretty good (for a plastic lens webcam) … Continue reading
Thursday: Configuration and Demonstration
Today we had a morning checking over kit, and trying out further configurations. One of the benefits of working alongside an Open University residential school is that we’re getting to visit a lot of authentic field sites and trying out … Continue reading
Testing voice and video at the edge
Today we went to Whitby to explore the field localities on the beach there, and also to see how far we could connect using just a single node. In the morning we set up the base station in the car … Continue reading
Clifftop multi-hop: Scremerston
Today’s visit brought us to the dramatic coastal features of Scremerston, just south of Berwick-upon-Tweed. This is a tough location for Assisted Requirements students as the high, steep cliff face can be quite challenging to negotiate for anyone. The closest … Continue reading
Second field tests at Old Wolverton
Today we carried out our second set of field tests. This time using our new Ubiquity Nanostation2 wifi routers. In the morning Chris, Mark and John started with a radio site survey, then did a single wifi link of about … Continue reading
First VoWLAN field tests
Today we did our first set of antenna tests as part of the JISC funded Portable VoWLAN project. We went out into the wilds of Old Wolverton and set up a pair of Linksys WRT 54GL routers at a distance … Continue reading