This has been receiving quite some attention over here in Canada
"The Canadian Radio-television Telecommunications Commission will now make that a thing of the past starting September 1, 2012."
Who has time for TV anyway?
Kuba Mazur, B.Sc.EE
École de technologie supérieure
1100, rue Notre-Dame Ouest
Montréal (Québec) H3C 1K3
(514)396-8800 x 7417
On 11-09-20 1:37 PM, Crockett, Brett wrote:
Dolby has created a very sophisticated loudness control algorithm that has been integrated into TVs, Home Theaters and now PC laptops. It uses a combination of perceptual loudness and auditory scene analysis that are quite interesting. http://www.dolby.com/consumer/understand/volume-control/dolby-volume.htm l -----Original Message----- From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxxxxxxxxx] On Behalf Of MARUI Atsushi Sent: Tuesday, September 20, 2011 7:08 AM To: AUDITORY@xxxxxxxxxxxxxxx Subject: Re: dynamic compression of comertials Hi Zlatan, In the United States, there is an act called CALM that limits perceived loudness of TV Ads, which will be enforced by the end of this year. Loudness measurement will be done according to ITU-R 1770 standard. http://en.wikipedia.org/wiki/Commercial_Advertisement_Loudness_Mitigatio n_Act I'm not sure if other countries have similar laws, but in Europe, EBU has a similar standard: http://tech.ebu.ch/loudness Cheers, Atsushi -- MARUI Atsushi Faculty of Music, Tokyo University of the Arts http://www.geidai.ac.jp/~marui GnuPG Public ID: 5AFA73F1 On 2011/09/20, at 20:04, Zlatan Ribic wrote:Dear List, compressed comertials in broadcasting are much louder if compared with"standard" program. Is there any norm limiting this misuse?Thanks, Zlatan