Re: [AUDITORY] ITD KEMAR/HATS data as a function of frequency and azimuth (Pierre Divenyi )


Subject: Re: [AUDITORY] ITD KEMAR/HATS data as a function of frequency and azimuth
From:    Pierre Divenyi  <pdivenyi@xxxxxxxx>
Date:    Wed, 24 Jan 2024 08:40:33 -0800

--Apple-Mail-798B1829-51B2-4C2C-A4F9-AF200C9A4B53 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable =EF=BB=BFGreetings all, Interesting Brian, but I would much like to know what Jens Blauert thinks of= all this. Best, Pierre Pardon my typos. It's Apple's fault.=20 > On Jan 24, 2024, at 02:06, Brian FG Katz <brian.katz@xxxxxxxx= r> wrote: > =EF=BB=BF > Dear Dr. Rhebergen, list, > =20 > There has been some discussion over the years about the frequency dependen= ce of ITD. While of course it is possible to calculate almost anything, the p= hysicality of such a notion remains tenuous in my opinion, as air is not par= ticularly a dispersive medium (i.e. low frequencies are not travelling aroun= d the head faster that higher frequencies). I therefore offer several points= for thought on the question=E2=80=A6 > =20 > In general, when considering ITD data, one must be aware of the calculatio= n method, as different methods can produce significantly different results. S= ee for example our study a decade ago now on the subject: > =20 > B. F. G. Katz and M. Noisternig, =E2=80=9CA comparative study of interaura= l time delay estimation methods,=E2=80=9D J Acoust Soc Am, vol. 135, no. 6, p= p. 3530=E2=80=933540, 2014, doi:10.1121/1.4875714 > =20 > Following this, there remains the question of which ITD estimation method i= s most coherent with perception. A follow-up study on this point was also ca= rried out on that point as well: > =20 > A. Andreopoulou and B. F. G. Katz, =E2=80=9CIdentification of perceptually= relevant methods of inter-aural time difference estimation,=E2=80=9D J Acou= st Soc Am, vol. 142, no. 2, pp. 588=E2=80=93598, 2017, doi:10.1121/1.4996457= . > =20 > The following chapter also provides an overview and some graphical data on= ITD for the Neumann KU100, including function of distance: > =20 > B. F. G. Katz and R. Nicol, =E2=80=9CBinaural spatial reproduction,=E2=80=9D= in Sensory Evaluation of Sound (N. Zacharov, ed.), pp. 349=E2=80=93388, Boc= a Raton: CRC Press, 2019, (url). ISBN 978-1-4987-5136-0. > =20 > Cheers, > -Brian > -- > Brian FG Katz, Research Director, CNRS > Groupe Lutheries - Acoustique =E2=80=93 Musique > Sorbonne Universit=C3=A9, CNRS, UMR 7190, Institut Jean Le Rond =E2=88=82'= Alembert > http://www.dalembert.upmc.fr/home/katz > =20 > De : AUDITORY - Research in Auditory Perception <AUDITORY@xxxxxxxx>= De la part de Rhebergen, K.S. (Koen) > Envoy=C3=A9 : mardi 23 janvier 2024 15:17 > =C3=80 : AUDITORY@xxxxxxxx > Objet : [AUDITORY] ITD KEMAR/HATS data as a function of frequency and azim= uth > =20 > Dear list, > =20 > I am looking for a lookup table (or matlab code ) with ITD data measured w= ith a KEMAR of hats in an anachoric room as a function of frequency (~100Hz t= o 8000Hz) and azimuth (0:5:180) >=20 > If someone can send me a copy or matlab code it would be greatly appreciat= ed. > =20 > With kind regards > Koen Rhebergen > =20 > =20 >=20 > =20 > =20 > =20 > Dr. K.S. Rhebergen > Klinisch fysicus - audioloog | functiecentrum KNO (AZU) | Kind & Communica= tie (WKZ) > Universitair Medisch Centrum Utrecht --Apple-Mail-798B1829-51B2-4C2C-A4F9-AF200C9A4B53 Content-Type: multipart/related; type="text/html"; boundary=Apple-Mail-5F36F178-EBDF-45DF-BE86-DF67C9D43FD4 Content-Transfer-Encoding: 7bit --Apple-Mail-5F36F178-EBDF-45DF-BE86-DF67C9D43FD4 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D= utf-8"></head><body dir=3D"auto"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D= "content-type" content=3D"text/html; charset=3Dutf-8">Greetings all,<div><br= ></div><div>Interesting Brian, but I would much like to know what Jens Blaue= rt thinks of all this.</div><div><br></div><div>Best,</div><div>Pierre<br><b= r><div dir=3D"ltr">Pardon my typos. It's Apple's fault.&nbsp;</div><div dir=3D= "ltr"><br><blockquote type=3D"cite">On Jan 24, 2024, at 02:06, Brian FG Katz= &lt;brian.katz@xxxxxxxx&gt; wrote:<br><br></blockquote></div>= <blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"Cont= ent-Type" content=3D"text/html; charset=3Dutf-8"><meta name=3D"Generator" co= ntent=3D"Microsoft Word 15 (filtered medium)"><!--[if !mso]><style>v\:* {beh= avior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style><![endif]--><style>@xxxxxxxx { font-family: "Cambria Math"; } @xxxxxxxx { font-family: Calibri; } @xxxxxxxx { font-family: "Segoe UI"; } p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm; font-size: 11pt; fon= t-family: Calibri, sans-serif; } a:link, span.MsoHyperlink { color: rgb(5, 99, 193); text-decoration: underli= ne; } span.EmailStyle20 { font-family: Calibri, sans-serif; color: windowtext; } span.ptmri8t- { } .MsoChpDefault { font-size: 10pt; } @xxxxxxxx WordSection1 { size: 612pt 792pt; margin: 70.85pt; } div.WordSection1 { page: WordSection1; }</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]--><div class=3D"WordSection1"><p class=3D"Ms= oNormal">Dear Dr. Rhebergen, list, <o:p></o:p></p><p class=3D"MsoNormal"><o:= p>&nbsp;</o:p></p><p class=3D"MsoNormal">There has been some discussion over= the years about the frequency dependence of ITD. While of course it is poss= ible to calculate almost anything, the physicality of such a notion remains t= enuous in my opinion, as air is not particularly a dispersive medium (i.e. l= ow frequencies are not travelling around the head faster that higher frequen= cies). I therefore offer several points for thought on the question=E2=80=A6= <o:p></o:p></p><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><p class=3D"MsoN= ormal">In general, when considering ITD data, one must be aware of the calcu= lation method, as different methods can produce significantly different resu= lts. See for example our study a decade ago now on the subject:<o:p></o:p></= p><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><p class=3D"MsoNormal" style=3D= "margin-left:36.0pt"><span style=3D"color:black">B.&nbsp;F.&nbsp;G. Katz and= M.&nbsp;Noisternig, =E2=80=9CA comparative study of interaural time delay e= stimation methods,=E2=80=9D&nbsp;<span class=3D"ptmri8t-"><i>J Acoust Soc Am= </i></span>, vol.&nbsp;135, no.&nbsp;6, pp.&nbsp;3530=E2=80=933540, 2014, do= i:</span><a href=3D"https://doi.org/10.1121/1.4875714">10.1121/1.4875714</a>= <o:p></o:p></p><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><p class=3D"MsoNo= rmal">Following this, there remains the question of which ITD estimation met= hod is most coherent with perception. A follow-up study on this point was al= so carried out on that point as well:<o:p></o:p></p><p class=3D"MsoNormal"><= o:p>&nbsp;</o:p></p><p class=3D"MsoNormal" style=3D"margin-left:36.0pt"><spa= n style=3D"color:black">A.&nbsp;Andreopoulou and B.&nbsp;F.&nbsp;G. Katz, =E2= =80=9CIdentification of perceptually relevant methods of inter-aural time di= fference estimation,=E2=80=9D&nbsp;<span class=3D"ptmri8t-"><i>J Acoust Soc A= m</i></span>, vol.&nbsp;142, no.&nbsp;2, pp.&nbsp;588=E2=80=93598, 2017, doi= :</span><a href=3D"https://doi.org/10.1121/1.4996457">10.1121/1.4996457</a><= span style=3D"color:black">.<o:p></o:p></span></p><p class=3D"MsoNormal"><o:= p>&nbsp;</o:p></p><p class=3D"MsoNormal">The following chapter also provides= an overview and some graphical data on ITD for the Neumann KU100, including= function of distance:<o:p></o:p></p><p class=3D"MsoNormal"><o:p>&nbsp;</o:p= ></p><p class=3D"MsoNormal" style=3D"margin-left:36.0pt"><span style=3D"colo= r:black">B.&nbsp;F.&nbsp;G. Katz and R.&nbsp;Nicol, =E2=80=9CBinaural spatia= l reproduction,=E2=80=9D in&nbsp;<span class=3D"ptmri8t-"><i>Sensory</i></sp= an>&nbsp;<span class=3D"ptmri8t-"><i>Evaluation of Sound&nbsp;</i></span>(N.= &nbsp;Zacharov, ed.), pp.&nbsp;349=E2=80=93388, Boca Raton: CRC Press, 2019,= &nbsp;</span><a href=3D"http://www.crcpress.com/Sensory-Evaluation-of-Sound/= Zacharov/p/book/9781498751360">(url)</a><span style=3D"color:black">. ISBN 9= 78-1-4987-5136-0.</span><o:p></o:p></p><p class=3D"MsoNormal"><o:p>&nbsp;</o= :p></p><p class=3D"MsoNormal">Cheers,<o:p></o:p></p><p class=3D"MsoNormal">-= Brian<o:p></o:p></p><div><p class=3D"MsoNormal"><span style=3D"color:#1F497D= ;mso-fareast-language:EN-GB">--</span><span style=3D"mso-fareast-language:EN= -GB"><o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"color:#1F49= 7D;mso-fareast-language:EN-GB">Brian FG Katz, Research Director, CNRS</span>= <span style=3D"mso-fareast-language:EN-GB"><o:p></o:p></span></p><p class=3D= "MsoNormal"><span lang=3D"FR" style=3D"font-size:10.0pt;color:#1F497D;mso-fa= reast-language:EN-GB">Groupe Lutheries - Acoustique =E2=80=93 Musique</span>= <span lang=3D"FR" style=3D"mso-fareast-language:EN-GB"><o:p></o:p></span></p= ><p class=3D"MsoNormal"><span lang=3D"FR" style=3D"font-size:10.0pt;color:#1= F497D;mso-fareast-language:EN-GB">Sorbonne Universit=C3=A9, CNRS, UMR 7190, I= nstitut Jean Le Rond =E2=88=82'Alembert </span><span lang=3D"FR" style=3D"ms= o-fareast-language:EN-GB"><o:p></o:p></span></p><p class=3D"MsoNormal"><span= lang=3D"FR" style=3D"color:#1F497D;mso-fareast-language:EN-GB"><a href=3D"h= ttp://www.dalembert.upmc.fr/home/katz"><span style=3D"color:blue">http://www= .dalembert.upmc.fr/home/katz</span></a></span><span lang=3D"FR" style=3D"mso= -fareast-language:EN-GB"><o:p></o:p></span></p></div><p class=3D"MsoNormal">= <span lang=3D"FR"><o:p>&nbsp;</o:p></span></p><div><div style=3D"border:none= ;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class=3D"MsoNo= rmal"><b><span lang=3D"FR" style=3D"mso-fareast-language:EN-GB">De&nbsp;:</s= pan></b><span lang=3D"FR" style=3D"mso-fareast-language:EN-GB"> AUDITORY - R= esearch in Auditory Perception &lt;AUDITORY@xxxxxxxx&gt; <b>De la par= t de</b> Rhebergen, K.S. (Koen)<br><b>Envoy=C3=A9&nbsp;:</b> mardi 23 janvie= r 2024 15:17<br><b>=C3=80&nbsp;:</b> AUDITORY@xxxxxxxx<br><b>Objet&nb= sp;:</b> [AUDITORY] ITD KEMAR/HATS data as a function of frequency and azimu= th<o:p></o:p></span></p></div></div><p class=3D"MsoNormal"><o:p>&nbsp;</o:p>= </p><p class=3D"MsoNormal"><span lang=3D"NL">Dear list,<o:p></o:p></span></p= ><p class=3D"MsoNormal"><span lang=3D"NL"><o:p>&nbsp;</o:p></span></p><p cla= ss=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US" style=3D= "font-size:10.5pt;font-family:&quot;Segoe UI&quot;,sans-serif;color:black;ba= ckground:white">I am looking for a lookup table (or matlab code ) with ITD d= ata measured with a KEMAR of hats in an anachoric room as a function of freq= uency (~100Hz to 8000Hz) and azimuth (0:5:180)</span><span lang=3D"EN-US" st= yle=3D"font-size:10.5pt;font-family:&quot;Segoe UI&quot;,sans-serif;color:bl= ack"><o:p></o:p></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US" style= =3D"font-size:10.5pt;font-family:&quot;Segoe UI&quot;,sans-serif;color:black= ">If someone can send me a copy or matlab code it would be greatly appreciat= ed.</span><span lang=3D"EN-US"><o:p></o:p></span></p><p class=3D"MsoNormal">= <span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><spa= n lang=3D"NL" style=3D"font-family:&quot;Segoe UI&quot;,sans-serif;color:bla= ck;mso-fareast-language:NL">With kind regards<o:p></o:p></span></p><p class=3D= "MsoNormal"><b><span lang=3D"NL" style=3D"font-family:&quot;Segoe UI&quot;,s= ans-serif;color:#1F497D;mso-fareast-language:NL">Koen Rhebergen<o:p></o:p></= span></b></p><p class=3D"MsoNormal"><span lang=3D"NL" style=3D"font-size:7.5= pt;font-family:&quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-langu= age:NL"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span lang=3D"NL"= style=3D"font-family:&quot;Segoe UI&quot;,sans-serif;mso-fareast-language:N= L"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span lang=3D"NL" styl= e=3D"font-family:&quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-lan= guage:NL"><img border=3D"0" width=3D"161" height=3D"47" style=3D"width:1.675= in;height:.4916in" id=3D"Afbeelding_x0020_1" alt=3D"image001.png" src=3D"cid= :image001.png@xxxxxxxx"></span><span lang=3D"NL" style=3D"font-fami= ly:&quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-language:NL"><o:p= ></o:p></span></p><p class=3D"MsoNormal"><span lang=3D"NL" style=3D"font-siz= e:7.5pt;font-family:&quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-= language:NL"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span lang=3D= "NL" style=3D"font-size:7.5pt;font-family:&quot;Segoe UI&quot;,sans-serif;co= lor:black;mso-fareast-language:NL"><o:p>&nbsp;</o:p></span></p><p class=3D"M= soNormal"><span lang=3D"NL" style=3D"font-size:7.5pt;font-family:&quot;Segoe= UI&quot;,sans-serif;color:black;mso-fareast-language:NL"><o:p>&nbsp;</o:p><= /span></p><p class=3D"MsoNormal"><span lang=3D"NL" style=3D"font-size:9.0pt;= font-family:&quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-language= :NL">Dr. K.S. Rhebergen<o:p></o:p></span></p><p class=3D"MsoNormal" style=3D= "text-align:justify"><span lang=3D"NL" style=3D"font-size:9.0pt;font-family:= &quot;Segoe UI&quot;,sans-serif;color:black;mso-fareast-language:NL">Klinisc= h fysicus - audioloog | functiecentrum KNO (AZU) | Kind &amp; Communicatie (= WKZ)<o:p></o:p></span></p><p class=3D"MsoNormal" style=3D"text-align:justify= "><span lang=3D"NL" style=3D"font-size:9.0pt;font-family:&quot;Segoe UI&quot= ;,sans-serif;color:black;mso-fareast-language:NL">Universitair Medisch Centr= um Utrecht <o:p></o:p></span></p></div></div></blockquote></div></div></body= ></html>= --Apple-Mail-5F36F178-EBDF-45DF-BE86-DF67C9D43FD4 Content-Type: image/png; name=image001.png; x-apple-part-url="image001.png@xxxxxxxx" Content-Disposition: inline; filename=image001.png Content-Transfer-Encoding: base64 Content-Id: <image001.png@xxxxxxxx> iVBORw0KGgoAAAANSUhEUgAAAKEAAAAvCAYAAAH87JqIAAAAAXNSR0IArs4c6QAAAARnQU1BAACx 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postings/2024/
maintained by:
DAn Ellis <dpwe@ee.columbia.edu>
Electrical Engineering Dept., Columbia University