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4KTV The next bigger thing?

4KTV – The next bigger thing?The history of 4K digital moving images goes way back to the mid 1990s. That was when film effects started to be processed digitally and produced amazing results – maybe a bit too amazing for some. Of course the effects had to be seamless and so the digitised effects images had to carry all the required detail of the 35...

Submitted by Bob Pank#

Published 01 August 2012

Ask the Experts - Loudness

Introduction:Loudness level inconsistencies are one of the most common problems in the broadcast industry. Loudness standards are now being introduced as discontinuities in audio levels between programs, or between programs and advertisements, have been the cause of viewer complaints – in fact they are the number one cause. Of course anything that...

Submitted by Bob Pank#

Published 01 August 2012

A live video streaming advocate

As you may or may not know, I’m a bit of a live video streaming advocate. I love the idea of being able to distribute high quality content via the internet, without the need for huge budgets, licensing, and all the hassle involved more conventional means. I do a lot of live streaming from small venues, and by their very nature is difficult to fit m...

Submitted by Bob Pank#

Published 01 July 2012

Ask the experts - Fibre optic distribution and content de...

1- With the increase in bandwidth requirements for signal distribution systems, which infrastructure provides greater benefits — copper or fibre? Can you explain why?Both copper and fibre each have their place in today’s broadcast infrastructure. As we know, the useable bandwidth of coax cable is a function of both its physical construction and the...

Submitted by Bob Pank#

Published 01 May 2012

Audio loudness for video post

For decades audiences have been complaining about the differences in perceived loudness between different parts of a television service, most commonly that the commercials seem louder than the programmes. Finally broadcasters, prompted in many cases by regulators, have addressed the issue. Over the last decade research has determined what it is tha...

Submitted by Bob Pank#

Published 01 February 2012

Fast 3D

It is easy to make the assumption that 3D should comply with existing standards, as in the 2D video streams of television or movie images running at 24, 25 or 30 frames per second, according to the relevant 2D standards. However, the recent step up to doubled frame rates, generally referred to as 50p or 60p for television and 48p (or higher) for mo...

Submitted by Bob Pank#

Published 01 November 2011

File-Based Workflows

For perhaps two decades, much of the broadcast industry has made a fuss over “workflow,” treating the term as if it were something lofty and complicated - which of course, it isn’t. Workflow simply refers to the steps that users take to complete a task, start to finish. Thinking about workflow typically has been easy for the people and companies wh...

Submitted by Bob Pank#

Published 01 October 2011

Storage and archiving

Anyone looking closely at a helical scan video tape mechanism, particularly the miniature variety, might be forgiven for wondering how such an elaborate technology ever came to be invented. The first experimental video tape recorders were essentially audio recorders running at very high speed to achieve the bandwidth needed for television signals....

Submitted by Bob Pank#

Published 01 October 2011

Ask the Experts on Storage and Archive

What is the most important thing to consider when choosing storage for content creation applications?The single most important aspect to consider when choosing a storage device for content creation is workflow. It is critical to have made a decision with regards to the capture device, the video format to be used and how the finished project will be...

Submitted by Bob Pank#

Published 01 October 2011

IBC2011 must sees

Over 1,300 exhibitors will be supporting IBC2011, each bringing perhaps one, two or three new or enhanced products. My task is to distill these down to the 20 devices likely to be of greatest interest to TV-Bay readers, so far as that is possible several weeks before the show opens. As a recent convert to OS X, I note with gloom that Apple remains...

Submitted by Bob Pank#

Published 01 September 2011

Cameras for streaming

I first saw true HD pictures years ago at IBC. OpTex had a camera focusing on some beautifully lit fruit. The image on the screen was extraordinary, hypnotising. Leap forward a decade and Amsterdam brought Europe its first taste of Ultra High Definition Television - not 720p, not 1080i, but 4320p. The enveloping cinematic pictures and the embrace o...

Submitted by Kieron Seth#

Published 01 August 2011

So what is Digital Television. Part 2 - Back to Basics

Component digital videoThe designers of early analogue special effects equipment recognized the advantage of keeping the red, green, and blue video channels separate as much as possible during any processing. The PAL and NTSC encoding/decoding process is not transparent and multiple generations of encoding and decoding progressively degrade the sig...

Submitted by Kieron Seth#

Published 01 August 2011

Loudness Whats All The Noise About

Anyone involved in our industry can’t have failed to notice the amount of noise broadcasters, manufacturers and legislators are making about audio loudness. As topics go, this one is currently red hot. Broadcast audio that comes with annoying loudness differences can result in complaints from viewers and, in some territories, these complaints can t...

Submitted by Bob Pank#

Published 01 June 2011

Post Production Ask The Experts

IntroductionIt’s a familiar scenario: A client calls with an urgent transfer request. It may be a movie sourced at 23.98PsF that needs conversion for broadcast, and the client needs an HD version at 1080 50i with Dolby E audio and an SD program at 625 50i with PCM audio, as well. Or perhaps the content was shot at 1080 59.94i, but the client needs...

Submitted by Bob Pank#

Published 01 May 2011

Ask the experts - Monitoring

What are the latest innovations in monitoring?For both film and broadcast work, in addition to the fact that the picture must be true, without motion artifacts or aliasing, for a lot of applications you can also add that the picture must be processed in real time - less than one frame or one picture in progressive mode – so the main innovations are...

Submitted by Bob Pank#

Published 01 March 2011