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Listening to the needs of audio engineers


Monitoring SDI video content within an installation is and has always been straight forwards. If you have a monitor, and you can see the image correctly, all is well. This is not necessarily the case for metadata and especially not for audio. Assuming a SMPTE 352 payload packet is present on the SDI signal, this metadata determines how the video co...

Submitted by Alan Wheable
Published 07 June 2018

Loudness Measurement and Control Strategies For The UK Br...


by Manik Gupta Issue 113 - May 2016 A common issue that today\'s broadcast ,cable, and satellite operators face is inconsistent loudness. Over the years, the loudness levels of some commercials have been deliberately increased to catch audiences\' attention. Ultimately, inconsistent loudness between regular programming and advertisements has discou...

Submitted by Manik Gupta
Published 13 May 2016

CALM - A crucial act to follow


by Martin Moore Issue 101 - May 2015 Sudden jumps in sound level between television programmes and commercials first came to the notice of legislators after a loud commercial interrupted a family dinner at the home of US House of Representatives member Anna Eshoo. The technical parameters adopted in the draft were based on an existing recommended p...

Submitted by Martin Moore
Published 01 June 2015

Eye to Eye: Video Post-production


Video post-production has long been one of the fastest developing subsets of the broadcast business. It was among the first to lead the shift from hardware into software, bringing huge advantages in terms of affordability and ease of use. I can still remember the high cost, heavy weight and low quality of the early analogue tape to tape video editi...

Submitted by Bob Pank#
Published 01 January 2015

Cooking Up A Creative Storm With Patrick And Kylie


Issue 94 - October 2014Three years ago, Patrick Drake, who had recently left a lucrative job working at Goldman Sachs in London to follow his true cooking passion, met Kylie Flavell, a young woman who had abandoned her career as a high-stakes fashion journalist in Australia to pursue her dream of one day hosting her own escapist travel and food sho...

Submitted by KitPlus
Published 01 November 2014

The Digital Production Partnership


by Simon Pegg Issue 86 - February 2014 The Digital Production Partnership (DPP) was founded in January 2011 by the BBC, ITV, and Channel 4, with representation from Sky, Channel 5, S4/C, UKTV, and BT Sport, to help speed the transition to fully digital production and distribution in television. As part of its work, the group has established common...

Submitted by Simon Pegg
Published 01 March 2014

Monitoring Image and Signal Degradation


by Peter LampelIssue 79 - July 2013 OmniTeks latest waveform analysis software focused on assessing the degradation in video and audio quality and timing suffered by images as they are transmitted or stored. What approach has OmniTek taken to measuring these effects? In an ideal world, all broadcasters would love to have a piece of equipment that s...

Submitted by Mike Hodson
Published 01 August 2013

Managing Loudness for Broadcast TV


Often viewed as the “ugly sister” when compared to its more glamorous rival video, audio is finally receiving some much deserved attention in broadcast circles. The trigger for this realisation is an increasing shift in awareness that viewers are interested in not just the pictures they are seeing, but equally the sound they are hearing. In particu...

Submitted by Anothony Wilkins
Published 01 June 2013

Loudness: What happens now if my work is not compliant?


Now that loudness is a mandatory requirement in the United States, Europe, and much of the rest of the world, it’s not so much a question of when organizations will begin to comply, but how?1. Now the standards are in place, what happens now if my work is not compliant?There are varying repercussions for noncompliance, depending where you work and...

Submitted by Jon Schorah
Published 01 June 2013

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

Say again? What is loudness?


Loudness is making a lot of noise these days, but what does it really mean? There is certainly no shortage of gurus who are happy to posit answers, but are they addressing the right questions?For instance, much has been made of the EBU’s recent Loudness Metering specification (EBU Tech 3341). But it has to be said that the EBU only makes recommenda...

Submitted by Bob Pank#
Published 01 June 2012

Modern Tools for Test and Measurement in Post Production


Today’s post-production facilities and practically the entire global multimedia industry, face a common issue: how to effectively eliminate the notorious problem of inconsistent loudness being pushed to the absolute limits. Whether it’s a television commercial break or a big-screen movie, there is simply no question, the signal flow should still be...

Submitted by Bob Pank#
Published 01 September 2010

Eye to Eye: Distribution and Delivery 2010


Distribution and Delivery are two elements of in the broadcast chainthat get taken pretty much for granted but both are highly important. My focus in this summary is on equipment and software introduced since IBC 2009 and in the run-up to NAB 2010. Distribution linksThese come in many shapes and flavours, over copper, optical fibre, RF, point-to-po...

Submitted by Bob Pank#
Published 01 May 2010

Breaking Down Loudness Control


Q: What is loudness and why is so much attention being paid to it?A: Loudness is what people hear. It refers to the perceived strength of a piece of audio such as music, speech or sound effects. Among other factors, loudness depends on the level, frequency, content and duration of the audio the listener is hearing. Right now, television viewers are...

Submitted by Bob Pank#
Published 01 April 2010

Top Tips Audio Monitoring Systems for On-Location Monitor...


1) Audio monitoring systems for on-location monitoring need to be able to handle all formats. This flexibility is crucial for all field applications, in which broadcasters frequently must accommodate a variety of formats, and not always those they anticipated. Formats supported by the audio monitoring system should include 3G/HD/SD-SDI, AES, and an...

Submitted by Dennis Lennie
Published 01 January 2010