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Royal College of Art targets loudness with NUGEN Audio

by Mike WyeldIssue 83 - November 2013 In the world of cinema and filmmaking I like to imagine the UK\'s Royal College of Art needs no introduction. Weve had some amazing alumni; Director Sir Ridley Scott, novelist Len Deighton, and Sgt Pepper artist Peter Blake have all walked the halls. Vacuum designer James Dyson imagined his revolutionary vacuum...

Submitted by Mike Wyeld

Published 01 December 2013

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

Meeting the Demands Of The Market

Much has been said about audio loudness and there can be few people in broadcast who are unaware of the new legislation being introduced by various countries to control this problem. The UK and Italy have already set limits on loudness levels and in 2010 the US introduced the Commercial Advertisement Loudness Mitigation Act (CALM), making it illega...

Submitted by Bob Pank#

Published 01 July 2011

The New ITU-R BS1770-2 Loudness Standard

HistoryThe ITU-R standard BS1770-1, released in 2006, describes a fundamental loudness measurement algorithm. The basic technique was validated through listening tests on varied program material, performed in labs around the world. In late 2010 the ITU committee which maintains BS1770 accepted (after much negotiation) changes submitted by the EBU....

Submitted by Bob Pank#

Published 01 July 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

Challenging Loudness

Numerous definitions of the word loudness exist but to understand the relevance of the word in relation to the world of broadcast sound perhaps the statement that loudness is “our perceived impression of the intensity, frequency, and duration of a sound” fits closest. We all watch TV with the remote control close at hand; not just to change channel...

Submitted by Kieron Seth#

Published 01 June 2011

Challenging Loudness

Numerous definitions of the word loudness exist but to understand the relevance of the word in relation to the world of broadcast sound perhaps the statement that loudness is “our perceived impression of the intensity, frequency, and duration of a sound” fits closest. We all watch TV with the remote control close at hand; not just to change channel...

Submitted by Bob Pank#

Published 01 March 2011

The Loudness Issue in Todays Audio Systems

Complaints regarding audio being “too loud” have always existed. For example, the change from a television drama with little or no music or sound effects and quiet dialogue to a loud commercial can be quite jarring and will likely cause the viewer to reach for the volume control. This can happen when listening in mono, stereo or surround sound. The...

Submitted by Dennis Lennie

Published 01 January 2010