High on air: it seems that just about all the old certainties about broadcast cameras are now being challenged by dramatic developments in technology.(technology update)

New acquisition formats for news raise basic questions about the traditional editing of footage within a tape-based infrastructure. Wireless cameras are prompting a rethink on how events should be covered.

Above all, affordable high definition equipment is making an increasing number of broadcasters uncertain about what level of performance they should be looking for in the first place.

Some of the largest broadcasters have the luxury of being able to earmark one or more studios for standard definition work. Even if their other studios are subsequently upgraded to HD, they ...

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