Parts 1 and 2 covered the theory and actual measurement of white shading, making sure that the camera non-linearities introduced by various different lens systems on a particular camera are compensated. In this issue, Part 3 will investigate setting up colourimetry and exposure as well greyscale adjustments using a waveform monitor.
In my last article, I discussed modelling of the talent by choice of lamp, and careful choice of the horizontal and vertical angle of the key light. Having made those choices my next priority would be to choose a back light. It is also sometimes known as a hair light which gives a pretty good clue as to its function.
The transition from analogue to digital programme production, storage and delivery lulled some innocent folk into anticipating a world without need for test equipment. If required at all, so the thinking went, all signal analysis would be performed in software. Maybe someday. For now, the T&M sector remains alive and well.
EPIC-TV came into being in late 2006, after Norfolk County Council acquired the ITV Anglia Regional news and Network production studios at Magdalen Street Norwich. Since then its been re-developed as one of the technically most advanced production facilities in Europe, with three broadcast studies, two of the HD, one of them Virtual, linked directly to on-line HD post production facilities via server.
When sound recordist Alan ODuffy was contracted to travel to the USA to record interviews and atmospheres for a feature documentary about Barack Obama becoming the 44th President of the USA, one of the first pieces of kit he packed was Edirols R-09HR digital recorder.
So what do we do? We have done little for television our market place is much more modest. Parafotos has its origins in the early sixties when I started filming free fall parachuting having to cope with a Bolex H16 strapped to the side of my helmet during the opening of the parachute was an interesting experience which no doubt accounted for an increase my shirt collar size.
This month we visited independent service company, Broadcast Service Centre Ltd (BSC), specialising in providing top quality technical support for a wide range of equipment within the Broadcast and Pro video industry.
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