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Ask the experts. Eye & Jitter


Why should TV broadcast engineers be interested in adding Eye and Jitter measurement to their T & M facilities?The call for Eye and Jitter as part of overall video test and measurement lies in the widespread adoption of serial digital interface (SDI) standards for broadcast. Unlike analog transmission in which the image quality gradually degrades a...

Submitted by Dennis Lennie
Published 01 September 2009

Eye to eye Picture displays and multiviewers 2009


The transition from cathode-ray tubes to flat-panel display devices for broadcast picture monitoring was a long time coming but is now almost complete. Grade 1 CRTs from suppliers such as Ikegami and Sony are still purchased in small numbers for monitoring in quality-conscious playout centres and post-production houses. For every other broadcast ap...

Submitted by Dennis Lennie
Published 01 September 2009

Diversify - the key to success


Most business could survive the recession if they adapt what they do, or how they do it, explains Peter SavageIn the current economic climate, with the market shrinking, every business has to look at ways of growing or developing – if they are to survive. And sometimes you have to think outside the box. There is, as they say, only so much blood you...

Submitted by Dennis Lennie
Published 01 September 2009

Ancillary Data Monitoring in Multiviewers


The broadcast environment has gone through enormous change over the last decade, creating challenges in the management, storage and broadcast of material. Factors contributing to these challenges include the increase in the number of channels with the move to digital, the introduction of various aspect ratio and video standards with the transition...

Submitted by Dennis Lennie
Published 01 September 2009

Tv-bay Digital Signage Special Report IBC2009


Sign of the times at IBCDigital signage – the use of video screens or projectors to create dynamic information and advertising displays – has moved on rapidly from technological showcase and niche market to become a mainstream media. Recent research by Multimedia Intelligence predicts a doubling of the market by 2012, with 2.3 million displays in u...

Submitted by Dennis Lennie
Published 01 September 2009

OLED vs LCD


There was a rapid change in image display technology within the last few years. Nowadays CRTs are history, flatpanels substitute them everywhere. Even in the broadcast industry. Different technologies dominate the market;Plasma - a self-lighting principle - mostly used for large screens;TFT-LCDs - a concept that always needs a backlight - most comm...

Submitted by Dennis Lennie
Published 01 September 2009

Why choose a broadcast or professional monitor


Just as it’s unlikely that anyone would purchase a family vehicle to set trailblazing records around a race track and a sports car is not going to be the best choice for off-road use, the same principle is true of monitors – the key is to match the product to the demands of the task. So what are the differences between the major monitor families?Co...

Submitted by Dennis Lennie
Published 01 September 2009

Ask the Experts on the Topic of Distribution and Delivery


NAB 2009 was fascinating with respect to how many customers were looking for solutions and insisting that manufacturers work together to provide solutions, as opposed to just supplying products. File-based workflows were the talk of the town (well, at least the talk of NAB) and there certainly continues to be significant discussion and implementati...

Submitted by Dennis Lennie
Published 01 August 2009

Eye to eye on Broadcast content management 2009


Content asset management is one of the fastest developing areas of the entire broadcast business. Its advantages over old-style film and videotape libraries are so widely recognised that they hardly need repeating. NAB provided an opportunity to look at new advances from some of the key players. AP introduced a new module for its ENPS 6.0 and 7.0....

Submitted by Dennis Lennie
Published 01 August 2009

The filming of Lands End to John OGroats


I’ve been here for several minutes now. Standing in the pouring rain with a camera pointing at the road sign for Somerset, the drops of rain tapping on the camera rain cover add a certain atmosphere to the wild track. I stood trying to work out who was the madder, the two cyclists I was waiting for, or me. Here they come, 10 seconds on the tape, ba...

Submitted by Dennis Lennie
Published 01 August 2009

Broadcast management systems specialisation not generali...


“Broadcast management systems” is used here as a collective term to encapsulate all of the processes involved from capturing and creating content, to distribution and monetisation. There are so many points of decision making in a broadcast production chain that automating the processes can be mind boggling in complexity. Taking just a view of frame...

Submitted by Dennis Lennie
Published 01 August 2009

Polecam on Safari


Safaricam"No, you can’t get out of the car", the voice replied. "Why not?’ I asked. "Because you might get eaten by a lion."I put the phone down and contemplated what it was I had just agreed to do. The Kenya project started with a call from a French production company expressing an interest in hiring my Polecam system for three weeks. The series,...

Submitted by Dennis Lennie
Published 01 August 2009

A Guide to Testing IPTV: Technologies and Challenges Par...


High consumer expectations have put pressure on content producers, network operators and equipment manufacturers to deliver consistently high quality audio and video to their end users. The proliferation of enabling technologies has resulted in a wide variety of formats and standards adding to the complexity of the challenges faced in establishing...

Submitted by Dennis Lennie
Published 01 August 2009

SRW-5800 Training


“Hi Dave, how was the course?” This is the sort of greeting you come to expect from fellow engineers when you have recently attended a training course. Engineers are notorious for having no “small talk”, probably because our minds are usually concerned with things like volts, amps and ohms… and why that VTR always works on the bench, but fails as s...

Submitted by Dennis Lennie
Published 01 July 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