Digital Media Development: Internet Streaming
ALADIN - Streaming Server
ALADIN is the mobile extension of the CYBERLOUNGE project, developed in Ubiquitous Computing Class 2003
User's are equipped with mobile devices, that are able to scan their location by using Infrared
and Bluetooth location tracking techniques. A PC/laptop version using RFID labels and Infrared
will be also available. Users have to register at the device using biometic access methods (in our
case we use a PDA with inbuilt fingerprint scanner). Also objects can be identified using RFID labels.
This context information (user, location, objects) triggers a list of context-based services to
be available. These services can be customized and tailored to the specific needs and requirements
of the respective context spot.
Participants of this class have specified, designed and implemented a streaming server for the ALADIN project.
Audio and video files for the ALADIN services as well as film clips for the 'Digital Film and Video Development Class'
are supported by a Helix Streaming Server installation. For this purpose, scripts have been provided to
transform the raw video material. Beside a 90° rotation to support the landscape display, the size has been
reduced to the display resolution of 320*240 pixel and the video has been compressed into different datarate parameters.