Re: dynamic compression of comertials (Kuba Mazur )


Subject: Re: dynamic compression of comertials
From:    Kuba Mazur  <thisiskuba@xxxxxxxx>
Date:    Fri, 23 Sep 2011 12:14:00 -0400
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

This is a multi-part message in MIME format. --------------010209040200060308080106 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable This has been receiving quite some attention over here in Canada lately: "The Canadian Radio-television Telecommunications Commission will now=20 make that a thing of the past starting September 1, 2012." http://www.marketnews.ca/LatestNewsHeadlines/CRTCSaysNoMoreLoudCommercial= s.html Who has time for TV anyway? Cheers, -- Kuba Mazur, B.Sc.EE kuba.mazur@xxxxxxxx <mailto:kuba.mazur@xxxxxxxx> Laboratoire CRITIAS =C9cole de technologie sup=E9rieure 1100, rue Notre-Dame Ouest Montr=E9al (Qu=E9bec) 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 analysi= s > that are quite interesting. > > http://www.dolby.com/consumer/understand/volume-control/dolby-volume.ht= m > l > > -----Original Message----- > From: AUDITORY - Research in Auditory Perception > [mailto:AUDITORY@xxxxxxxx On Behalf Of MARUI Atsushi > Sent: Tuesday, September 20, 2011 7:08 AM > To: AUDITORY@xxxxxxxx > 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_Mitigati= o > 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 --------------010209040200060308080106 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> This has been receiving quite some attention over here in Canada lately:<br> "The Canadian Radio-television Telecommunications Commission will now make that a thing of the past starting September 1, 2012."<br> <a class="moz-txt-link-freetext" href="http://www.marketnews.ca/LatestNewsHeadlines/CRTCSaysNoMoreLoudCommercials.html">http://www.marketnews.ca/LatestNewsHeadlines/CRTCSaysNoMoreLoudCommercials.html</a><br> Who has time for TV anyway?<br> Cheers,<br> <font face="arial">--<br> Kuba Mazur, B.Sc.EE<br> <a class="normal-link" href="mailto:kuba.mazur@xxxxxxxx">kuba.mazur@xxxxxxxx</a><br> Laboratoire CRITIAS<br> &Eacute;cole de technologie sup&eacute;rieure<br> 1100, rue Notre-Dame Ouest<br> Montr&eacute;al (Qu&eacute;bec)&nbsp;&nbsp;H3C 1K3<br> (514)396-8800 x 7417</font><br> <br> On 11-09-20 1:37 PM, Crockett, Brett wrote: <blockquote cite="mid:11000_1316540562_4E78D092_11000_229_1_2769DC7EAEE1AC408C6D3CBEF21AAA7C063AE364@xxxxxxxx" type="cite"> <pre wrap="">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. <a class="moz-txt-link-freetext" href="http://www.dolby.com/consumer/understand/volume-control/dolby-volume.htm">http://www.dolby.com/consumer/understand/volume-control/dolby-volume.htm</a> l -----Original Message----- From: AUDITORY - Research in Auditory Perception [<a class="moz-txt-link-freetext" href="mailto:AUDITORY@xxxxxxxx">mailto:AUDITORY@xxxxxxxx</a>] On Behalf Of MARUI Atsushi Sent: Tuesday, September 20, 2011 7:08 AM To: <a class="moz-txt-link-abbreviated" href="mailto:AUDITORY@xxxxxxxx">AUDITORY@xxxxxxxx</a> 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. <a class="moz-txt-link-freetext" href="http://en.wikipedia.org/wiki/Commercial_Advertisement_Loudness_Mitigatio">http://en.wikipedia.org/wiki/Commercial_Advertisement_Loudness_Mitigatio</a> n_Act I'm not sure if other countries have similar laws, but in Europe, EBU has a similar standard: <a class="moz-txt-link-freetext" href="http://tech.ebu.ch/loudness">http://tech.ebu.ch/loudness</a> Cheers, Atsushi -- MARUI Atsushi Faculty of Music, Tokyo University of the Arts <a class="moz-txt-link-freetext" href="http://www.geidai.ac.jp/~marui">http://www.geidai.ac.jp/~marui</a> GnuPG Public ID: 5AFA73F1 On 2011/09/20, at 20:04, Zlatan Ribic wrote: </pre> <blockquote type="cite"> <pre wrap="">Dear List, compressed comertials in broadcasting are much louder if compared with </pre> </blockquote> <pre wrap="">"standard" program. Is there any norm limiting this misuse? </pre> <blockquote type="cite"> <pre wrap=""> Thanks, Zlatan </pre> </blockquote> </blockquote> <br> </body> </html> --------------010209040200060308080106--


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