Re: unsubscribe (Mark Jurrens )


Subject: Re: unsubscribe
From:    Mark Jurrens  <m_jurrens@xxxxxxxx>
Date:    Sun, 23 Nov 2008 20:27:54 -0600
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

This is a multipart message in MIME format. ------=_NextPart_000_0013_01C94DA9.F6C77B90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear Madam or Sir, I would also like to stop receiving e-mail from this mailing list. Please take my email m_jurrens@xxxxxxxx off the list. Thanks, =20 Mark =20 From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx On Behalf Of M Z Sent: Sunday, November 23, 2008 5:01 PM To: AUDITORY@xxxxxxxx Subject: unsubscribe =20 Dear Madam or Sir, I would like to stop becoming email from this list. Please could you take my email ''measure_0@xxxxxxxx" off the list. Best regards, MZ > Date: Fri, 14 Nov 2008 11:43:50 +0100 > From: auditorylist@xxxxxxxx > Subject: HRTF failure > To: AUDITORY@xxxxxxxx >=20 > Dear List, >=20 > We encounter a problem when trying to place a sound at a virtual=20 > position in space by means of head related transfer functions (HRTF). >=20 > We use sounds from the IAPS database (International Affective = Digitized=20 > Sounds System, Bradley & Lang) as well as simple white noise of six=20 > seconds duration. We use the Kemar HRTF, the "compact data" with zero=20 > elevation. We convolve the original sound data with the HRTF data as=20 > suggested in the documentation. The final sounds are presented using=20 > Beyer Dynamic DT770 headphones. >=20 > We have tested the precision with which our sounds are placed in = virtual=20 > space, by presenting them to eight listeners. The listeners had a=20 > touchscreen lying on their lap, with a circle plotted on it, and they=20 > could indicated the direction where they perceived that the sound came = > from. We presented to them in total 144 sounds, 72 noises and 72 IAPS=20 > sounds, coming from 36 virtual directions (0=B0, 10=B0, 20=B0...) in=20 > randomized order. >=20 > The results are shown in a figure that I put in the internet: > http://www.uni-kiel.de/psychologie/emotion/hrtf/direction.gif > The red dots are from IAPS sounds, the yellow dots are from the = noises.=20 > The x-axis shows the "true" (virtual) angle, the y-axis shows the=20 > estimated angle. As can be seen in this figure, listeners could well=20 > discriminate between sounds from the left and sounds from the right. = But=20 > not more than that. There is a certain reduction of variance for = sounds=20 > coming from 90=B0 and from 270=B0, but there is no correlation with = angle=20 > within one hemifield. >=20 > Now we are eager to learn from you: What could be the cause for this=20 > failure? >=20 > A) HRTFs are not better than that. > B) The headphones are inadequate. > C) It must be a programming error (we don't think so) > D) .... >=20 > We are grateful for any help in interpreting the possible cause for = this=20 > failure. >=20 > Thank you very much in advance, > Chris >=20 > --=20 > Christian Kaernbach > Christian-Albrechts-Universit=E4t zu Kiel > Germany > www.kaernbach.de _____ =20 Connect to the next generation of MSN Messenger Get it now! <http://imagine-msn.com/messenger/launch80/default.aspx?locale=3Den-us&so= urce=3D wlmailtagline>=20 =20 ------=_NextPart_000_0013_01C94DA9.F6C77B90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; = charset=3Diso-8859-1"> <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40"> <head> <meta name=3DGenerator content=3D"Microsoft Word 12 (filtered medium)"> <!--[if !mso]> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} shape {behavior:url(#default#VML);} </style> <![endif]--> <style> <!-- /* Font Definitions */ @xxxxxxxx {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @xxxxxxxx {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} @xxxxxxxx {font-family:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman","serif";} a:link, span.MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:purple; text-decoration:underline;} p {mso-style-priority:99; mso-margin-top-alt:auto; margin-right:0in; mso-margin-bottom-alt:auto; margin-left:0in; font-size:12.0pt; font-family:"Times New Roman","serif";} span.EmailStyle18 {mso-style-type:personal-reply; font-family:"Calibri","sans-serif"; color:#1F497D;} MsoChpDefault {mso-style-type:export-only;} @xxxxxxxx Section1 {size:8.5in 11.0in; margin:1.0in 1.0in 1.0in 1.0in;} div.Section1 {page:Section1;} --> </style> <!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--> </head> <body lang=3DEN-US link=3Dblue vlink=3Dpurple> <div class=3DSection1> <p class=3DMsoNormal>Dear Madam or Sir,<br> <br> I would also like to stop receiving e-mail from this mailing list.<br> Please take my&nbsp;email <b>m_jurrens@xxxxxxxx </b>off the list.<br> <br> <span style=3D'font-size:11.0pt'><o:p></o:p></span></p> <p class=3DMsoNormal><span = style=3D'font-size:11.0pt'>Thanks,<o:p></o:p></span></p> <p class=3DMsoNormal><span = style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></p> <p class=3DMsoNormal><span = style=3D'font-size:11.0pt'>Mark<o:p></o:p></span></p> <p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"; color:#1F497D'><o:p>&nbsp;</o:p></span></p> <div style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt = 0in 0in 0in'> <p class=3DMsoNormal><b><span = style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>= </b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> AUDITORY - = Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx <b>On Behalf Of = </b>M Z<br> <b>Sent:</b> Sunday, November 23, 2008 5:01 PM<br> <b>To:</b> AUDITORY@xxxxxxxx<br> <b>Subject:</b> unsubscribe<o:p></o:p></span></p> </div> <p class=3DMsoNormal><o:p>&nbsp;</o:p></p> <table class=3DMsoNormalTable border=3D0 cellspacing=3D0 = cellpadding=3D0> <tr> <td valign=3Dtop style=3D'padding:0in 0in 0in 0in'> <blockquote style=3D'border:none;border-left:solid #1010FF = 1.5pt;padding:0in 0in 0in 4.0pt; margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'> <div id=3Dyiv1781688249> <p class=3DMsoNormal style=3D'margin-bottom:12.0pt'>Dear Madam or = Sir,<br> <br> I would like to stop becoming email from this list.<br> Please could you take my&nbsp;email <b><a = href=3D"mailto:''measure_0@xxxxxxxx">''measure_0@xxxxxxxx</a>&quot;</b>= off the list.<br> <br> Best regards,<br> MZ<br> <br> &gt; Date: Fri, 14 Nov 2008 11:43:50 +0100<br> &gt; From: auditorylist@xxxxxxxx<br> &gt; Subject: HRTF failure<br> &gt; To: AUDITORY@xxxxxxxx<br> &gt; <br> &gt; Dear List,<br> &gt; <br> &gt; We encounter a problem when trying to place a sound at a virtual = <br> &gt; position in space by means of head related transfer functions = (HRTF).<br> &gt; <br> &gt; We use sounds from the IAPS database (International Affective = Digitized <br> &gt; Sounds System, Bradley &amp; Lang) as well as simple white noise = of six <br> &gt; seconds duration. We use the Kemar HRTF, the &quot;compact = data&quot; with zero <br> &gt; elevation. We convolve the original sound data with the HRTF data = as <br> &gt; suggested in the documentation. The final sounds are presented = using <br> &gt; Beyer Dynamic DT770 headphones.<br> &gt; <br> &gt; We have tested the precision with which our sounds are placed in = virtual <br> &gt; space, by presenting them to eight listeners. The listeners had a = <br> &gt; touchscreen lying on their lap, with a circle plotted on it, and = they <br> &gt; could indicated the direction where they perceived that the sound = came <br> &gt; from. We presented to them in total 144 sounds, 72 noises and 72 = IAPS <br> &gt; sounds, coming from 36 virtual directions (0=B0, 10=B0, 20=B0...) = in <br> &gt; randomized order.<br> &gt; <br> &gt; The results are shown in a figure that I put in the internet:<br> &gt; http://www.uni-kiel.de/psychologie/emotion/hrtf/direction.gif<br> &gt; The red dots are from IAPS sounds, the yellow dots are from the = noises. <br> &gt; The x-axis shows the &quot;true&quot; (virtual) angle, the y-axis = shows the <br> &gt; estimated angle. As can be seen in this figure, listeners could = well <br> &gt; discriminate between sounds from the left and sounds from the = right. But <br> &gt; not more than that. There is a certain reduction of variance for = sounds <br> &gt; coming from 90=B0 and from 270=B0, but there is no correlation = with angle <br> &gt; within one hemifield.<br> &gt; <br> &gt; Now we are eager to learn from you: What could be the cause for = this <br> &gt; failure?<br> &gt; <br> &gt; A) HRTFs are not better than that.<br> &gt; B) The headphones are inadequate.<br> &gt; C) It must be a programming error (we don't think so)<br> &gt; D) ....<br> &gt; <br> &gt; We are grateful for any help in interpreting the possible cause = for this <br> &gt; failure.<br> &gt; <br> &gt; Thank you very much in advance,<br> &gt; Chris<br> &gt; <br> &gt; -- <br> &gt; Christian Kaernbach<br> &gt; Christian-Albrechts-Universit=E4t zu Kiel<br> &gt; Germany<br> &gt; www.kaernbach.de<o:p></o:p></p> <div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'> <hr size=3D2 width=3D"100%" align=3Dcenter> </div> <p class=3DMsoNormal>Connect to the next generation of MSN = Messenger&nbsp; <a = href=3D"http://imagine-msn.com/messenger/launch80/default.aspx?locale=3De= n-us&amp;source=3Dwlmailtagline" target=3D"_blank">Get it now! </a><o:p></o:p></p> </div> </blockquote> </td> </tr> </table> <p class=3DMsoNormal><span = style=3D'font-size:10.0pt;font-family:"Calibri","sans-serif"'><o:p>&nbsp;= </o:p></span></p> </div> </body> </html> ------=_NextPart_000_0013_01C94DA9.F6C77B90--


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