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| Archived News Stories 2002 |
The following article, written by John Scott, appeared in the December 2002 issue of Broadcast Hardware International: 'D-Cam Wireless Radio Camera' |
| Horses for Courses The D-Cam digital wireless camera system is a definite winner with directors and cameramen alike, when used for the live coverage of horse racing and other outside broadcasts.
D-Cam Product Information Hong Kong - December 02 |
| Lost
in the Crowd Unobtrusively, the cameraman moves amongst the crowded grandstand. The spectators oblivious to his presence. Only a wireless camera gives a cameraman the freedom to shoot close-up action shots in the crowded or congested environment of a major sporting event
The advantage of QPSK in this particular
application was the robust nature of the RF signal. The director
was delighted with the results, and used the D-Cam extensively,
confident that the picture would not break-up. |
| Victory
in Dubai As Ali Nasser and Ali Al Qama in 'Victory 7' crossed the finish line to win the 2002 Dubai Grand Prix, viewers around the world were watching live images relayed from a camera helicopter equipped with a 'state of the art' MTV-D digital transmitter.
With the analogue link, it was essential for Dubai TV engineers to accurately track each helicopter, in order to minimize reflections. Using the MVL-D with MPEG 2 and QPSK modulation, it was unnecessary track the helicopter at all. The digital signal from the helicopter was received on the roof of the Dubai International Marine Club using a helix antenna directly docked onto the tripod mounted 'RF Head of a MVL-D digital receiver. The SDI output from the remote 'IF Control' unit was fed directly into the OB Truck. The test proved conclusively that the rugged compact design of the MTV-D is a winner for specialist applications, such as helicopter up/down links and on-board cameras, where size and weight are important.
We would like to thank the Director of Engineering
of Dubai TV for allowing us to carry out this test of the MTV-D under
actual operational conditions. |
| 'Dubai 'World Cup' Prior to its official launch, a Gigawave D-Cam Digital Radio Camera System was tested under operational conditions during the 'Dubai World Cup 2002' Horse Race.
Performance tests at the racetrack were carried out with the camera operating at 64QAM modulation COFDM providing 26Mbs of high quality video with no delay. The receiver system was the Digital MVL Two
Box unit with integral COFDM demodulator and decoder module providing
SDI output. |
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