Subject: Re: Equal-Loudness-Level Contour Signal (ISO 226) From: "Richard F. Lyon" <dicklyon@xxxxxxxx> Date: Mon, 6 Apr 2015 22:21:06 -0700 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--001a1135a932e4ade805131b9484 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Here is the ISO 226 code you seek: http://www.mathworks.com/matlabcentral/fileexchange/7028-iso-226-equal-loud= ness-level-contour-signal On Mon, Apr 6, 2015 at 3:07 PM, Fernando A. Marengo Rodriguez < fmarengo@xxxxxxxx> wrote: > Dear list, > > I would like to draw (for any value of loudness) the equal loudness level > contour signals mentioned in ISO 226. Is there any mathematical expressio= n > for generating such curves in a PC? Otherwise, what other options do you > recommend for their computer simulation? > > Thank you very much in advance. > > Kind regards, > > Fernando A. Marengo Rodriguez, Dr. Ing. > - Universidad Nacional de Rosario <http://www.unr.edu.ar/>, Argentina > - Laborat=C3=B3rio de Pesquisas em Processamento Digital de Sinais > <http://www.lpds.ufsc.br/>Universidade Federal de Santa Catarina <http:/= /ufsc.br/>, Brasil > > --001a1135a932e4ade805131b9484 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">Here is the ISO 226 code you seek:<br><a href=3D"http://ww= w.mathworks.com/matlabcentral/fileexchange/7028-iso-226-equal-loudness-leve= l-contour-signal">http://www.mathworks.com/matlabcentral/fileexchange/7028-= iso-226-equal-loudness-level-contour-signal</a><br><br><br></div><div class= =3D"gmail_extra"><br><div class=3D"gmail_quote">On Mon, Apr 6, 2015 at 3:07= PM, Fernando A. Marengo Rodriguez <span dir=3D"ltr"><<a href=3D"mailto:= fmarengo@xxxxxxxx" target=3D"_blank">fmarengo@xxxxxxxx= .ar</a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"mar= gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u> <div> <p>Dear list,</p> <p>I would like to draw (for any value of loudness) the equal loudness leve= l contour signals mentioned in ISO 226. Is there any mathematical expressio= n for generating such curves in a PC? Otherwise, what other options do you = recommend for their computer simulation?</p> <p>Thank you very much in advance.</p> <p>Kind regards,</p> <div> <pre>Fernando A. Marengo Rodriguez, Dr. Ing. - <span style=3D"color:#0000ff"><a href=3D"http://www.unr.edu.ar/" target= =3D"_blank"><span style=3D"color:#0000ff">Universidad Nacional de Rosario</= span></a></span>, Argentina - <span style=3D"color:#0000ff"><a href=3D"http://www.lpds.ufsc.br/" target= =3D"_blank"><span style=3D"color:#0000ff">Laborat=C3=B3rio de Pesquisas em = Processamento Digital de Sinais<br></span></a><a href=3D"http://ufsc.br/" t= arget=3D"_blank"><span style=3D"color:#0000ff">Universidade Federal de Sant= a Catarina</span></a>,</span> Brasil</pre> </div> </div> </blockquote></div><br></div> --001a1135a932e4ade805131b9484--