Keywords
digital
radio camera, COFDM, DVB-T, DVCPRO
|
Abstract
Cable-free
television cameras have been used for years in sports,
news and outside broadcasts. Unfortunately, with
analogue transmission the pictures often break up.
Now the team at BBC R&D has developed new digital
technology to deliver a reliable, lightweight radio
camera. Producers and directors are now making programmes
that would not have been attempted with the previous
generation of equipment.
Our
key input to this work was to recognise that technology
being engineered for digital television broadcasting
was ideal for incorporation in the transmitters for
the radio camera. This gave us the heart of the system,
capable of miniaturisation and with low power demands.
We then worked with programme makers and equipment
manufacturers to ensure that the technology was engineered
to provide a solution that met everyone's requirements.
The
proof of the technology is the popularity with which
the early prototypes have been received. The project
is continuing to develop and refine the digital radio
camera concept together with other organisations,
such as spectrum standardisation bodies. The project
vision is that one day radio cameras could become
as widely used as radio microphones are today.
This
paper was presented to the Royal Television Society
as a submission for the RTS 2001 Technical Innovation
Awards.
This
document was originally presented to the Royal Television
Society as a submission for the RTS2001 Technical
Innovations Awards. |
