Articles

Articles, opinion and reviews from the industry. It is free to add your own articles, just login / register and follow the links in your KitHub panel.

Filter By Popular Tags

All

Filtered Tag: loudness (0 results)

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

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

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

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

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

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