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Digital media monitoring


What is digital media monitoring?Most media delivery chains now include a combination of IP and broadcast stages, regardless of the viewing platform of the end user. This combination of technologies into a hybrid delivery chain has thrown up new complications in terms of monitoring and analysis. Before the introduction of IP technologies into media...

Submitted by Bob Pank#
Published 01 July 2011

Whats new in broadcast test and measurement


The test and measurement product category continues to expand as the broadcast business itself diversifies. Notable recent developments include higher resolution displays and a gradually increasing number of analysers which, having detected a fault, endeavour to fix it. No sign at NAB 2011 of any tablet-based test and measurement equipment but perh...

Submitted by Bob Pank#
Published 01 July 2011

The 4 Golden Rules of Streaming


In November 2009 a Florida-based web design company ran a series of tests on their website. Their bounce rate (the % of visitors to their site that hit their home page but go no further on a site) started at 45% - a barely acceptable rate. Over the course of a month, they added graphic after graphic to their site. The effect was catastrophic with a...

Submitted by Bob Pank#
Published 01 April 2011

The revolutionary PHABRIX SxA.


The revolution in screen technology has seen a massive miniaturisation of most test equipment in the last ten years, and this coupled with a large increase in the amount that can be fitted into a small package courtesy of VLSI has meant that a new breed of hand held test and measurement devices have come onto the market. The PHABRIX Sx range is jus...

Submitted by Bob Pank#
Published 01 March 2011

Exhibiting at CABSAT first time feedback


CABSAT started with a curious phenomenon. Rain in the desert. It was PHABRIX’s first time in Dubai exhibiting its test and measurement products at CABSAT and we’d obviously brought the weather with us. Now rain in Dubai is like a severe snowstorm in the UK – everything stops. As the Emirates plane, equipped with a front video camera, displayed our...

Submitted by Bob Pank#
Published 01 May 2010

Modern Test Techniques for Digital Audio Broadcast System...


The move to digital systems in broadcast audio means that engineers and systems integrators have had to evolve new means of testing equipment. Simon Woollard, Applications Engineer for audio test and measurement manufacturer Prism Sound, discusses some of the issues faced by today’s broadcast engineers. The AimsIn terms of audio performance, the br...

Submitted by Bob Pank#
Published 01 April 2010

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


Throughout this article series we have seen that IPTV network operators face many challenges and explained that effective test and measurement is key to overcoming these challenges. The majority of IPTV networks are still in the early stages of development and operators are therefore primarily concerned with optimising QoS parameters in order to ge...

Submitted by Dennis Lennie
Published 01 December 2009

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


Testing IPTV NetworksThe Technology LifecycleThe deployment of new technologies tends to follow a similar lifecycle that begins with early research, development and standardisation and ends with full deployment and service management. The lifecycle diagram illustrated in Figure 5 shows a number of different technologies moving through the design an...

Submitted by Dennis Lennie
Published 01 November 2009

The importance of measurements for eye and jitter


‘If it hasn’t got eye and jitter measurements, it’s about as useful as a chocolate teapot’ recalled Paul Nicholls, PHABRIX sales and marketing manager. ‘This was one comment made by a prominent broadcast engineer that stuck with me when we began to research the critical toolset required on the new eye and jitter PHABRIX SxE’. Having taken this to h...

Submitted by Dennis Lennie
Published 01 November 2009

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

Guide to Testing IPTV Technologies and Challenges Part 2


In Part 1 of this series we gave a background to IPTV and explained that the two-way nature of IPTV networks offers many advantages over traditional broadcast technologies, but also presents a number of technical challenges. In this part we will begin to examine some of the challenges faced by IPTV service providers, and the importance of Quality o...

Submitted by Dennis Lennie
Published 01 September 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

Ask the Expert with Broadcast Service Centre


Ask the Expert with Broadcast Service Centre’s Dave LlewellynThis 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. Dave Llewellyn has worked as a broadcast engineer for BSC (Broadcast Se...

Submitted by Dennis Lennie
Published 01 May 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