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Video Acquisition

The video acquisition equipment consists of the following:

  • 3 Sony SSC-DC58AP CCTV cameras
  • 4 Sony XC555P micro CCTV cameras
  • 3 IEI IVC-4300 video acquisition cards

Each component is described in detail below.

5.1 Sony SSC-DC58AP camera Sony SSC-DC58AP

The Sony SSC-DC58AP is a high quality closed-circuit television (CCTV) camera. It has an internal power supply allowing it to be plugged directly into a 230V power outlet. A number of image adjustment features including Automatic White Balance (AWB) and Automatic Gain Control (AGC) are provided, allowing the camera to automatically adapt to different lighting conditions. The SSC-DC58AP outputs both Y/C and composite video signals via S-Video and BNC output connectors respectively, and accepts a video synchronization signal (eg. blackburst) through a second BNC connector. In the Smart Meeting Room, each camera has been fitted with a wide angle lens that has a field of view of 38 ± to 80 ± , manual zoom, focus, and aperture controls. These cameras are used for the front-on and general views.

5.2 Sony XC-555P camera Sony-XC555P

The Sony XC-555P is an ultra-compact color camera suited for a multimedia. The Sony XC-555P is connected a Sony Camera Adapter DC-700 for power supply, output the composite video signal to BNC connector and for video synchronization with the Blackburst signal. The Automatic White Balance (AWB) and Automatic Gain Control (AGC) are directly set on the camera. In the Smart Meeting Room, all Sony XC-555P cameras have been fitted with a 6mm lenses to perform a close-up views of each of the meeting participants.

5.3 IEI IVC-4300 video acquisition card

IEI IVC-4300 is a PCI video capture card capable of encoding in real time four-channel MPEG-4 at a quality similar to DVD. For the video acquisition in the Smart Meeting Room, 3 cards are used; 7 channels for the different cameras and 4 channels for the laptop screen recordings ( section 8). The video acquisition is trigged by the MIDI Time Code ( section 9).
Related Subjects
 
European Research Area    Information Society Technologies

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