Re: announcement : free MATLAB Loudness Toolbox (=?ISO-8859-1?Q?St=E9phane_Molla?= )

Subject: Re: announcement : free MATLAB Loudness Toolbox From: =?ISO-8859-1?Q?St=E9phane_Molla?= <stephane.molla@xxxxxxxx> Date: Fri, 5 Mar 2010 10:12:45 +0100 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY> This is a multi-part message in MIME format. --------------020506010906090602050809 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by torrent.cc.mcgill.ca id o259GdOO009992 Content-Disposition: inline Dear Bruno, I don't know if I really understood the meaning of your question, but=20 here is what I can tell: - most of the functions in the toolbox need a Matlab vector as input,=20 corresponding to a signal in Pascal (in order to not be limited to a=20 particular file format and calibration issues). It means that=20 calibration should have been done before the call to the function, if it=20 comes from a Wav file the user should know it, - concerning the WAV files provided as examples in the toolbox, they=20 have a calibration factor of 1, meaning that wav data are directly in=20 Pa. If you run the Loudness_Validation.m function, it will compute of=20 your PC the figures and plots provided in the file=20 Validation_of_loudness_algorithms-LoudnessToolbox.pdf. Hope I answered to some of your questions. St=E9phane *St=E9phane MOLLA* -------------- LEA Product Manager / Research Engineer -------------- *GENESIS S.A.* */All dimensions of Sound/*// Domaine du Petit Arbois - BP 69 13545 Aix-en-Provence, Cedex 4 Tel : 04 42 90 40 06 http://www.genesis.fr <http://www.genesis.fr/> Le 05/03/2010 00:21, Bruno L. Giordano a =E9crit : > Dear St=E9phane, > > I agree with Brian: this is a great tool! > > A perhaps naive question: is there an easy procedure for calibrating=20 > the toolbox (at the end, a wav file contains no information about=20 > presentation level)? > > I guess one could do something based on the example wavs, but perhaps=20 > your feedback might save me/us some hacking time. > > Cheers, > > Bruno > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Bruno L. Giordano, PhD > Postdoctoral Research Fellow > CIRMMT - Schulich School of Music > 555 Sherbrooke Street West > Montr=E9al, QC H3A1E3 > Canada > +1 514 398 4535, Ext. 00900 (voice) > +1 514 398 2962 (fax) > http://www.music.mcgill.ca/~bruno > > > > > St=E9phane Molla wrote: >> Dear colleagues, >> >> GENESIS ACOUSTICS is glad to announce that a complete MATLAB Loudness=20 >> Toolbox is available for free on its website. >> It includes: >> - ISO 532B loudness >> - ANSI S3.4-2007 loudness >> - Zwicker et al model for temporally variable sounds >> - Moore et al model for time-varying sounds >> - Boullet et al LMIS model for impulsive sounds >> >> The direct link is: http://www.genesis-acoustics.com/index.php?page=3D32 >> Or from the Loudness tab from the website www.genesis.fr >> >> We hope this will be useful to students and all actors of the community. >> Any feedbacks and remarks are welcome. >> >> Best regards, >> >> --=20 >> >> *St=E9phane MOLLA* >> >> -------------- >> >> LEA Product Manager / Research Engineer >> >> -------------- >> >> *GENESIS ACOUSTICS* >> >> */All dimensions of Sound/*// >> >> >> >> Domaine du Petit Arbois - BP 69 >> >> 13545 Aix-en-Provence - France >> >> Tel : (+33) (0)4 42 90 40 06 >> >> http://www.genesis.fr <http://www.genesis.fr/> >> >> >> >> __________ NOD32 4913 (20100303) Information __________ >> >> This message was checked by NOD32 antivirus system. >> http://www.eset.com --------------020506010906090602050809 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline <!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"> Dear Bruno, I don't know if I really understood the meaning of your question, but here is what I can tell: - most of the functions in the toolbox need a Matlab vector as input, corresponding to a signal in Pascal (in order to not be limited to a particular file format and calibration issues). It means that calibration should have been done before the call to the function, if it comes from a Wav file the user should know it, - concerning the WAV files provided as examples in the toolbox, they have a calibration factor of 1, meaning that wav data are directly in Pa. If you run the Loudness_Validation.m function, it will compute of your PC the figures and plots provided in the file Validation_of_loudness_algorithms-LoudnessToolbox.pdf. Hope I answered to some of your questions. Stéphane <div class="moz-signature"> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <meta name="ProgId" content="Word.Document"> <meta name="Generator" content="Microsoft Word 11"> <meta name="Originator" content="Microsoft Word 11">  <title>Stéphane MOLLA</title> <o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="phone">  <style>  </style> <div class="Section1"> Stéphane MOLLA<o:p></o:p> --------------<o:p></o:p> LEA Product Manager / Research Engineer<o:p></o:p> -------------- GENESIS S.A.<o:p></o:p> All dimensions of Sound<o:p></o:p> <o:p> </o:p> Domaine du Petit Arbois - BP 69<o:p></o:p> <st1:phone o:ls="trans" w:st="on">13545</st1:phone> Aix-en-Provence, Cedex 4<o:p></o:p> Tel : <st1:phone o:ls="trans" w:st="on">04 42 90 40 06</st1:phone><o:p></o:p> <a href="http://www.genesis.fr/">http://www.genesis.fr</a><o:p></o:p> </div> </o:smarttagtype></div> Le 05/03/2010 00:21, Bruno L. Giordano a écrit : <blockquote cite="mid:20100304232928.22A7ACF68@xxxxxxxx" type="cite">Dear Stéphane, I agree with Brian: this is a great tool! A perhaps naive question: is there an easy procedure for calibrating the toolbox (at the end, a wav file contains no information about presentation level)? I guess one could do something based on the example wavs, but perhaps your feedback might save me/us some hacking time. Cheers,     Bruno ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Bruno L. Giordano, PhD Postdoctoral Research Fellow CIRMMT - Schulich School of Music 555 Sherbrooke Street West Montréal, QC H3A1E3 Canada +1 514 398 4535, Ext. 00900 (voice) +1 514 398 2962 (fax) <a class="moz-txt-link-freetext" href="http://www.music.mcgill.ca/~bruno">http://www.music.mcgill.ca/~bruno</a> Stéphane Molla wrote: <blockquote type="cite">Dear colleagues, GENESIS ACOUSTICS is glad to announce that a complete MATLAB Loudness Toolbox is available for free on its website. It includes: - ISO 532B loudness - ANSI S3.4-2007 loudness - Zwicker et al model for temporally variable sounds - Moore et al model for time-varying sounds - Boullet et al LMIS model for impulsive sounds The direct link is: <a class="moz-txt-link-freetext" href="http://www.genesis-acoustics.com/index.php?page=32">http://www.genesis-acoustics.com/index.php?page=32</a> Or from the Loudness tab from the website <a class="moz-txt-link-abbreviated" href="http://www.genesis.fr">www.genesis.fr</a> We hope this will be useful to students and all actors of the community. Any feedbacks and remarks are welcome. Best regards, --  *Stéphane MOLLA* -------------- LEA Product Manager / Research Engineer -------------- *GENESIS ACOUSTICS* */All dimensions of Sound/*//   Domaine du Petit Arbois - BP 69 13545 Aix-en-Provence - France Tel : (+33)  (0)4 42 90 40 06 <a class="moz-txt-link-freetext" href="http://www.genesis.fr">http://www.genesis.fr</a> <a class="moz-txt-link-rfc2396E" href="http://www.genesis.fr/"><http://www.genesis.fr/></a> __________ NOD32 4913 (20100303) Information __________ This message was checked by NOD32 antivirus system. <a class="moz-txt-link-freetext" href="http://www.eset.com">http://www.eset.com</a> </blockquote> </blockquote> </body> </html> --------------020506010906090602050809--

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