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How to choose a broadcast display

How to choose a broadcast display…10 years ago, buying a CRT monitor was simply a case of buying the latest version of your facilities favourite brand in either Grade I or II. The advent of the LCD, HD and the demise of the CRT means we have now to try and decipher all the marketing jargon to work out which display best fits our needs. To help de-m...

Submitted by Dennis Lennie

Published 01 September 2009

HD Camera Measurements. Getting the most out of your came...

Recap previous Parts:While the first parts covered the theory and actual measurements of white shading, setting up colorimetry, exposure, greyscale adjustments, alignment and matching of cameras using a waveform monitor, this final part is devoted to providing a better understanding of the displays used. Interpreting a waveform monitor displayA Wav...

Submitted by Dennis Lennie

Published 01 July 2009

NAB 2009 report

By general consensus, this year's NAB Spring Convention, or 'NABshow' as it styles itself, was one of the best ever. Wider aisles and a respectable rather than manic level of attendance made the event, in the words of one exhibitor, 'Business Class'. NAB was always the prototype show where you could sense the directions in which manufacturers were...

Submitted by Dennis Lennie

Published 01 July 2009

Eye to Eye File-based content distribution 2009

The rapidly divergent pattern of broadcast market development resembles the branches of a fast-growing tree. But there is one crucial aspect in which the industry is quite obviously converging: the transition from video and audio to file-based content distribution and delivery. This would have happened anyway given the increasing popularity of the...

Submitted by Dennis Lennie

Published 01 June 2009

HD Camera Measurements. Getting the most out of your came...

Recap previous Parts:The first parts covered the theory and actual measurements of white shading, setting up colorimetry and exposure as well as greyscale adjustments using a waveform monitor. The objective was to provide a thorough understanding of the functions and benefits of using a waveform monitor when addressing non-linear effects in the cam...

Submitted by Dennis Lennie

Published 01 June 2009

PHABRIX storming ahead at NAB with eye and jitter

It is not often that a product is released that encapsulates so distinctly the essence of British ingenuity but the new SxE hand held test and measurement instrument with eye and jitter functionality from PHABRIX may just have set itself in that mould. Having successfully launched the PHABRIX SxA, a three in one portable testing device at IBC2008,...

Submitted by Dennis Lennie

Published 01 June 2009

Eye to Eye. Whats new in test and measurement 2009

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. The following summary out...

Submitted by Dennis Lennie

Published 01 May 2009

HD Camera Measurements and getting the most out of your c...

Recap Parts1 and 2: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 monit...

Submitted by Dennis Lennie

Published 01 May 2009

HD Camera Measurements Getting the most out of your camer...

Recap Part 1:In part 1 of this knowledge series we discussed the requirements for making correct white shading measurements in terms of the equipment used. Part 2 now will focus on performing the actual measurements and making sure that we achieve optimum linearity and dynamic range. White shading measurementPower up the camera, waveform monitor an...

Submitted by Dennis Lennie

Published 01 April 2009

HD Camera Measurements and getting the most out of your c...

IntroductionImage quality all starts with the correct alignment of the camera which is used to capture the scene either on location or in the studio. The conversion of light into electrical signals involves many processes which can affect the quality of the image. Understanding these various adjustments that are necessary, using a suitable camera c...

Submitted by Dennis Lennie

Published 01 March 2009

How The SADiE LRX2 Is Making Location Multitrack Recordin...

Nearly twenty years ago I saw one of the first SADiE Digital Audio Workstations, which were just starting to make their mark as the first cost effective computer sound editor. I was so impressed with the concept that I immediately wanted one, even though I had no professional use for it whatsoever. Most of my work (particularly then) was in TV docu...

Submitted by Dennis Lennie

Published 01 March 2009

Getting the best out of your LCD

Getting the best out of your LCDs?Many people who use CRT picture monitors have found the introduction of LCD displays disappointing. Getting the best out of your LCD may not be as simple as it may seem. With a wide choice of vendors and models all proclaiming broadcast quality, it can be difficult to determine which product is most suitable for yo...

Submitted by Dennis Lennie

Published 01 November 2008

Everything you ever wanted to know about TV lighting Part...

In my last article, I talked about some of the basic technical aspects that we need to think about when we start on the lighting trail. I covered light levels and intensities in relation to lens apertures before discussing colour temperature and its relevance to producing ‘nice’ pictures. Although I’d like to move on into lighting ‘proper’ there ar...

Submitted by Dennis Lennie

Published 01 October 2008

Flexiscope from Hamlet

A number of years ago Hamlet gave itself the impossible task of developing the worlds first HD and SD video and audio measurement and monitoring instrument that could be packed into one small handheld device. The new instrument would need to provide waveforms, vectors, audio bar graphs, measurement cursors, a range of error detection, decoding of b...

Submitted by Dennis Lennie

Published 01 September 2008