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Archive for the 'Technical Issues' Category

23 Mar

Video camera - automatic exposure problem

The room lighting in the computer lab was not suitable for lecture capture. The lights were the latest specification that are designed for computer room. They send the light straight down and not sideways to reduce screen reflections. The result is that their is little light directed at the presenters face. This was made more […]

12 Jan

Quicker Media Processing

Another advantage of having Echo360 on it’s own Vlan is that we can remove the encryption between the servers and the capture appliances to speed up the media processing.
In ESS, Configuration, System Settings, Intake Settings, FTP Protocol = SFTP w/o Encryption. (EchoSystem Server v. 2.4.5.12854)

09 Jan

Embedded Video Limitations

We have experienced an issue with capturing Embedded Videos played via YouTube. They appear choppy or do not capture at all (Current version 2.4.5.12854).
Echo’s Response:
XGA/EVGA screen capturing is a much more specialized feature than ordinary composite video. Because of the substantially higher bandwidth required to process PC display signals (they are many times more bulky […]

09 Jan

Camera Connectivity

We have found that using a wireless AV sender to transfer the video signal from the camera to the capture appliance was subject to interferance from mobile phones and other electronic devices. Using a normal composite video cable solved this issue.

09 Jan

Bidirectional Communication

Each Echo 360 capture appliance needs to have bidirectional communication with the server so that scheduling and recording transfers can take place. The way our network is configured meant that we had to install all the appliances and servers on their own vlan.
A couple of the appliances are installed off campus/remote locations and these meant we […]

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