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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

Compliance and Punishment


Glyn Powell-Evans of Ideas Unlimited.tv explains the benefits of compliance recording and how failing to adhere can land you in hot waterFor broadcasters in the UK, ensuring that anything they broadcast is recorded and available for review is a way of life. The regulator Ofcom has regulations in place which dictate that all broadcasts must be recor...

Submitted by Dennis Lennie
Published 01 June 2009

Holophone H2-PRO used on Slumdog Millionaire


As far as independent films go, Slumdog Millionaire has certainly hit the jackpot, garnering eight Oscars including one for “Best Sound Mixing”. Contributing to the movie’s triumphant soundscape is Holophone’s H2-PRO surround microphone, which award-winning Sound Mixer Resul Pookutty used to capture ambient sounds for some of the film’s most essent...

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

Delivering Superior Quality of Service in IPTV Networks


To maintain differentiation in a competitive triple play market, the key operational challenge for telecommunications operators is how to efficiently deliver superior quality of service (QoS) levels. Intuitive use and simplified presentation of video quality and telecom transmission information are essential to win and keep customers. The video and...

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

Mobile communications Eye to Eye


Point to point communication via satellite is one of the most useful tools available to television and radio reporters in a world of fast news distribution. This short summary looks first at some of the newest SNG link kit and then at broadcast-related telecoms. Advent Communications has introduced an enhanced version of its 1.5m and 1.8m NewSwift...

Submitted by Dennis Lennie
Published 01 March 2009

Fibre Optics......the past, present and future


Although there were some discoveries in the late 19th century that were related to light and its propagation though a medium, it was not until the latter half of the 20th century when technological breakthroughs occurred which has led to modern day fibre optics. It was the development of the Fiberscope during the 1950’s, becoming the first image-tr...

Submitted by Dennis Lennie
Published 01 March 2009

Surround Sound For HD Broadcast


While 2008 may not be fondly remembered as a classic year if you work in certain industries, it's a fascinating time to be working in video media production or broadcast television. The steady move to high-definition at all stages of the video production process, is causing the biggest shake-up in technology and working practices since the introduc...

Submitted by Dennis Lennie
Published 01 February 2009

The future of Audio


Total audio has been around for 12 years now and I worked for the BBC for 13 years prior to that, I resigned in 1996 as a senior sound supervisor based at Pebble Mill. I firmly believe that sound is only noticed twice, the first time it was distorted and the second time it wasn’t there. When it all goes swimmingly it’s rarely mentioned. In the last...

Submitted by Dennis Lennie
Published 01 February 2009

RF Condenser Microphones why they are so good in the wet


A question I am often asked when people discover who I work for is “Why are ‘RF condenser’ microphones so good in the wet, being so much less susceptible to humidity problems than the more common ‘AF condenser’ microphones?”Basically, AF capacitor microphones use the capsule as a capacitor to store charge. With one fixed plate and the other free to...

Submitted by Dennis Lennie
Published 01 February 2009