Re: [AUDITORY] Who coined the term "head-related transfer function"? (Brian FG Katz )


Subject: Re: [AUDITORY] Who coined the term "head-related transfer function"?
From:    Brian FG Katz  <katz@xxxxxxxx>
Date:    Tue, 27 Feb 2018 10:18:44 +0100
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

This is a multipart message in MIME format. ------=_NextPart_000_131A_01D3AFB4.593DE900 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On this discussion=E2=80=A6=20 =20 I can=E2=80=99t really imagine what you could mean by =C2=AB = unadulterated =C2=BB in this context. The previous comments, regarding = HRTF being time-varying, is in relation to the fact that are heads are = mobile, turning, providing dynamic as well as static cues. Over the long = term, there is the fact that our head and ears are growing. Issues = related to inner ear response and level are a function of the sound = source and therefore will occur during playback. There is no reason to = incorporate this context dependent and non-directional information in = the HRTF as we understand it.=20 =20 Cognitive adaptation related to how our brains interpret the HRTF = acoustic cues, for example how we learn our evolving HRTF as our head = gets bigger. This in no way affects the actual HRTF, but our improved = use of it individually. Continuing on this line, it has been shown that = it is easier to adapt/learn and HRTF that is similar to your own than = one that is very different=E2=80=A6=20 =20 The KEMAR dummy head HRTF is a simple HRTF, like any other. The KEMAR = head was created after some morphological statistics of a certain = population. None the less, it represents an HRTF like any other, dummy = or otherwise. What makes KEMAR, and other dummy heads useful, other than = practicalities of measuring an immobile subject who doesn=E2=80=99t = complain about loud sources, is that there are identical copies of the = =E2=80=9Csubject=E2=80=9D around the world, providing a useful physical = reference. =20 Finally, how the KEMAR HRTF is received by a given individual is = governed by the same issues relating to all other HRTFs, the closer the = morphology of the individual is to that of KEMAR the better. There is no = guarantee in any way that KEMAR will work will for a given individual, = and nothing that says it will work for more of the population than = another statistically selected HRTF. The recent availability of many = HRTF databases of course improves the statistical efforts towards = understanding the connections between HRTF and morphology, HRTF = perceptual suitability for a given individual, and of course the chance = that an HRTF similar to your own is more available (if you can=E2=80=99t = have your own measured).=20 =20 Well, that=E2=80=99s my thoughts at least=E2=80=A6 -- Brian FG Katz Groupe Lutheries - Acoustique =E2=80=93 Musique Sorbonne Universit=C3=A9, CNRS, UMR 7190, Institut Jean Le Rond = =E2=88=82'Alembert=20 http://www.dalembert.upmc.fr/home/katz =20 From: AUDITORY - Research in Auditory Perception = [mailto:AUDITORY@xxxxxxxx On Behalf Of Pierre Divenyi Sent: Monday, February 26, 2018 6:58 PM To: AUDITORY@xxxxxxxx Subject: Re: [AUDITORY] Who coined the term "head-related transfer = function"? =20 Dick, Sorry -- I did not realize that I was responding not to your idea but to = a translation of Jens Blauert's posting. This being the case, what's = your opinion about the KEMAR's HRTFs being the only unadulterated ones? Pierre On 2/25/18 9:39 PM, Richard F. Lyon wrote: Pierre, you're replying to me for what I translated from Blauert. = Please amend. Dick =20 2018-02-25 21:33 GMT-08:00 PIerre DIVENYI <pdivenyi@xxxxxxxx = <mailto:pdivenyi@xxxxxxxx> >: Dick,=20 =20 Reading your very thoughtful analyis the real, I mean = =E2=80=9Creal,=E2=80=9D question that comes to mind is what, if any, the = use of the many available HRTF databases is, since (as you state) these = functions are time varying and even subject to cognitvely induced = changes. This being the case, the only reliable HRTFs are those measured = in KEMAR, a head the cognitive functions inside which should be = negligible.=20 =20 Pierre =20 Sent from my iPad On Feb 25, 2018, at 19:16, Richard F. Lyon <dicklyon@xxxxxxxx = <mailto:dicklyon@xxxxxxxx> > wrote: Hello Mr. Schoenwiesner - Here are the mails that have come to me. As Dorte Hammershoei rightly = notes, the outer ear transmission functions are old hat. In particular, = Shaw has contributed much to this. The word "head-related" has long been = common and semantically correct in stereophony as opposed to "spatially = referenced". The transfer function to the eardrum from a plane wave or = the near field of a source are not head related, but are just the = transfer functions of the head (together with the upper body). At the = time, Geo Plenge had a big problem with Dennis McFadden, who did not = want to print his article on Out-of-the-Head Locality. I always suspect = nor that Dennis suggested the wrong term HRTf, instead of HTF, which = would have been better. Now, the abbreviation HRTF but has introduced = worldwide, and especially Americans love handy shortcuts. More = interesting today is the question to what extent HRTFs, which presuppose = LTI systems, describe the situation with sufficient accuracy. For = example, the eardrum impedance is modulation-dependent. This is but u.a. = controlled by the middle ear muscle reflex, where even cognitive = feedback plays a role. Furthermore, head movements play a major role in = current research, with the "HRTFs" being time-varying !! So there is = still much to do. I myself have the pure discovers physical aspects of = this topic and is currently writing. about feedback in the auditory = system.=20 - With kind regards, Jens Blauert=20 =20 2018-02-20 11:43 GMT-08:00 Pierre Divenyi <pdivenyi@xxxxxxxx = <mailto:pdivenyi@xxxxxxxx> >: Dick, You can do the Google translate this time. It's an interesting mail, = also pointing out the impossibility of translating word-by-word between = languages. Best, Pierre -------- Forwarded Message --------=20 Subject:=20 Re: Who coined the term "head-related transfer function"? Date:=20 Tue, 20 Feb 2018 12:01:36 +0100 From:=20 jens.blauert <mailto:jens.blauert@xxxxxxxx> <jens.blauert@xxxxxxxx> To:=20 Marc Schoenwiesner <mailto:marc.schoenwiesner@xxxxxxxx> = <marc.schoenwiesner@xxxxxxxx>, Jens Blauert = <mailto:jens.blauert@xxxxxxxx> <jens.blauert@xxxxxxxx> =20 Hallo Herr Schoenwiesner -- Anbei die Mails, die bei mir eingegangen sind. Wie Dorte Hammershoei = richtig bemerkt, sind die Au=C3=9Fenohr- =C3=9Cbertragungsfunktionen ein = alter Hut. Insbesondere Shaw hat hierzu viel beigetragen. Das Wort = "kopfbezogen" ist bei Stereophonie in Gegensatz zu "raumbezogen" seit = langen =C3=BCblich und semantisch korrekt. Die =C3=9Cbertragungsfunktion = zum Trommelfell aus einer ebenen Welle oder dem Nahfeld einer Quelle = sind aber nicht kopfbezogen, sondern sind eben die = =C3=9Cbertragunsfunktionen des Kopfes (zusammen mit dem = Oberk=C3=B6rper). Georg Plenge hatte seinerzeit ein gro=C3=9Fes Problem = mit Dennis McFadden, der seinen Artikel zur = Au=C3=9Ferhalb-des-Kopfes-Lokalisiertheit nicht drucken wollte. Ich = vermute immer=20 noch, dass Dennis den falschen Ausdruck HRTf angeregt hat, statt HTF, = was besser gewesen w=C3=A4re. Nun hat sich die Abk=C3=BCrzung HRTF aber = weltweit eingef=C3=BChrt, und insbesondere Amerikaner lieben griffige = Abk=C3=BCrzungen. Interessant ist heute eher die Frage, inwieweit = HRTFs, die ja LTI-Systeme vorausetzen, die Sachlage hinreichend genau = beschreiben. Zum Beispiel ist die Trommelfellimpedanz = aussteuerungsabh=C3=A4ngig. Diese ist aber u.a. durch den = Mittelohrmuskel-Reflex gesteuert, wo bei dabei sogar kognitives Feedback = eine Rolle spielt. Des weiteren spielen in der aktuellen Forschung = Kopfbewegungen ein gro=C3=9Fe Rolle, wobei die "HRTFs" dann zeitvariant = sind!! Es ist also noch viel zu tun. Ich selbst habe mich = bez=C3=BCglich der rein =20 physikalische Aspekte dieses Themas ausgeklinkt und schreibe z.Zt. = =C3=BCber Feedback im auditorischen System.=20 -- Mit Gru=C3=9F, Ihr Jens Blauert = --> Anhang Am 19.02.2018 um 12:02 schrieb Marc Schoenwiesner: Lieber Herr Blauert,=20 =20 Bitte leiten Sie die Mail weiter, danke. Meine Suche nach dem Ursprung = des Begriffs kommt von einem DFG-Antrag zum Thema an dem ich gerade = sitze. =20 Viele Gr=C3=BC=C3=9Fe, Ihr Marc Sch=C3=B6nwiesner =20 PS.: Ich hatte Sie ca. 2001 kurz im Labor in Bochum besucht. Einer Ihrer = Studenten gab eine Demonstration der dynamischen Raumschallsimulation. = Das wissenschaftliche Interesse am Thema ist geblieben, daher der = Antrag. =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Vice Dean Dept of Life Sciences Professor of Neurobiology Department of Biology University of Leipzig Talstrasse 33 = <https://maps.google.com/?q=3DTalstrasse+33&entry=3Dgmail&source=3Dg> = __o 04103 Leipzig _`\<,_ +493419736723 <tel:+49%20341%209736723> (+) / (+) & Department of Psychology University of Montreal Montreal, Quebec, Canada www.schoenwiesnerlab.ca <http://www.schoenwiesnerlab.ca/>=20 www.uni-leipzig.de/~neuro/ <http://www.uni-leipzig.de/%7Eneuro/>=20 http://uni-leipzig.de/~acn/ <http://uni-leipzig.de/%7Eacn/>=20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D On 18. Feb 2018, at 12:23, jens.blauert <jens.blauert@xxxxxxxx = <mailto:jens.blauert@xxxxxxxx> > wrote: =20 Hallo Herr Sch=C3=B6nwiesner -- Ja, so ist es wohl. Ich habe mich sp=C3=A4ter mal mit Whiteman & Kistler = dar=C3=BCber unterhalten,=20 dass HRTR eigentlich semantisch nicht zutrifft. Sie stimmten zu und wir = waren uns einig,=20 dass Head-transfer function (HTF) besser w=C3=A4re. Die beiden haben = wohl auch versucht,=20 das den amerikanischen Kollegen zu vermitteln -- aber es war dann wohl = schon zu sp=C3=A4t. Wer will=20 der Sache eigentlich jetzt nachgehen? Sind Sie das? Bei mir sind schon = mehrere Mails zu dem=20 Thema eingegangen, die Sie m=C3=B6glicherweise nicht gesehen haben. Soll = ich sie zu Ihnen forwarden? -- Gru=C3=9F, Ihr Jens Blauert m 16.02.2018 um 12:11 schrieb Marc Schoenwiesner: Lieber Herr Blauert,=20 =20 Im JASA paper von 1972 ("On the differences between localization and = lateralization") erw=C3=A4hnt Plenge keine HRTF, spricht aber viel = =C3=BCber dummy-head transfer functions. K=C3=B6nnte es sein, dass mit = HRTF urspr=C3=BCnglich dummy-head transfer functions gemeint waren? =20 Hier das Plenge paper: = https://pdfs.semanticscholar.org/7e36/c3e7ee73d21efad5cde919fbafc21c4f442= e.pdf?_ga=3D2.95831066.74002722.1518703463-1062093161.1518703463 =20 Viele Gr=C3=BC=C3=9Fe aus Leipzig, Marc Sch=C3=B6nwiesner=20 =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Vice Dean Dept of Life Sciences Professor of Neurobiology Department of Biology University of Leipzig Talstrasse 33 = <https://maps.google.com/?q=3DTalstrasse+33&entry=3Dgmail&source=3Dg> = __o 04103 Leipzig _`\<,_ +493419736723 <tel:+49%20341%209736723> (+) / (+) & Department of Psychology University of Montreal Montreal, Quebec, Canada www.schoenwiesnerlab.ca <http://www.schoenwiesnerlab.ca/>=20 www.uni-leipzig.de/~neuro/ <http://www.uni-leipzig.de/%7Eneuro/>=20 http://uni-leipzig.de/~acn/ <http://uni-leipzig.de/%7Eacn/>=20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D On 16. Feb 2018, at 10:56, Jens Blauert <jens.blauert@xxxxxxxx = <mailto:jens.blauert@xxxxxxxx> > wrote: =20 Gru=C3=9F, Jens Blauert -------- Weitergeleitete Nachricht -------- Hallo Pierre -- Es war Georg Plenge (erlebt noch in Berlin) in einem JASA paper ca. = 1972.=20 Wurde von Dennis Mc. Fadden reviewed. Ich hatte in meinem Buch = "Au=C3=9Fenohr-=C3=9Cbertragungsfunktion" (external-ear transfer function) verwendet, aber HRTF hat sich = durchgesetzt, obwohl falsch. Was hei=C3=9Ft denn "related"? Es IST die =C3=9Cbertragungsfunktion des = Kopfes bzw. Ohres! =20 Das Plenge-Paper m=C3=BCsste ich mal raussuchen. Die JASA-B=C3=A4nde = sind in Bochum. Es ging dabei um Im-Kopf-Lokalisertheit bei Kunstkopfsignalen -- oder so = =C3=A4hnlich. -- Gru=C3=9F, Jens Am 16.02.2018 um 06:28 schrieb Pierre Divenyi: Dear Jens, You should know the answer to this question by Dick Lyon. Beste Gruesse, Dein Pierre -------- Forwarded Message --------=20 Subject:=20 Who coined the term "head-related transfer function"? Date:=20 Thu, 15 Feb 2018 15:46:44 +0100 From:=20 Marc Schoenwiesner <mailto:marcs@xxxxxxxx> = <marcs@xxxxxxxx> Reply-To:=20 Marc Schoenwiesner <mailto:marcs@xxxxxxxx> = <marcs@xxxxxxxx> To:=20 AUDITORY@xxxxxxxx <mailto:AUDITORY@xxxxxxxx>=20 Dear all,=20 =20 does anyone know who coined the term "head-related transfer function"? = The first mention in a paper (as far as I have been able to determine) = is by Frederic Wightman and Doris Kistler in 1988, but they write: = "...the free-field-to-eardrum transfer function (sometimes called the = head-related transfer function, or HRTF)...", which sounds like there = must be an earlier source. =20 Best, Marc =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Vice Dean Dept of Life Sciences Professor of Neurobiology Department of Biology University of Leipzig Talstrasse 33 = <https://maps.google.com/?q=3DTalstrasse+33&entry=3Dgmail&source=3Dg> = __o 04103 Leipzig _`\<,_ +493419736723 <tel:+49%20341%209736723> (+) / (+) & Department of Psychology University of Montreal Montreal, Quebec, Canada www.schoenwiesnerlab.ca <http://www.schoenwiesnerlab.ca/>=20 www.uni-leipzig.de/~neuro/ <http://www.uni-leipzig.de/%7Eneuro/>=20 http://uni-leipzig.de/~acn/ <http://uni-leipzig.de/%7Eacn/>=20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 -- Jens BLAUERT, Dr.-Ing., Dr. Tech. h.c. Prof. (em.), Acoustics and EE, = Ruhr-Universit=C3=A4t Bochum Prof. (adj.), Architectural Acoustics, RPI, = Troy NY Postal address: Institute of Communication Acoustics, = Ruhr-Universit=C3=A4t Bochum, D-44780 Bochum, Germany E-mail: = jens.blauert@xxxxxxxx <mailto:jens.blauert@xxxxxxxx> Internet: = http://www.rub.de/ika Phone: +49 234 322 2496 <tel:+49%20234%203222496> = (secretary), ...3480 (direct) Fax: +49 234 321 <tel:+49%20234%20321> = 4165 Home Office: Brehmestra=C3=9Fe 22, 13187 BERLIN Phone: +49 30 5551 = 8259 <tel:+49%2030%2055518259> =20 =20 =20 =20 --=20 Jens BLAUERT, Dr.-Ing., Dr. Tech. h.c. Prof. (em.), Acoustics and EE, Ruhr-Universit=C3=A4t Bochum Prof. (adj.), Architectural Acoustics, RPI, TROY NY Institute of Communication Acoustics, Ruhr-Universit=C3=A4t Bochum, D-44780 BOCHUM, Germany Internet: http://www.rub.de/ika Phone: +49 234 322 2496 <tel:+49%20234%203222496> (office) -- Home office: Brehmestrasse 22, D-13187 BERLIN, Germany = <https://maps.google.com/?q=3DBrehmestrasse+22,+D-13187+BERLIN,+Germany&e= ntry=3Dgmail&source=3Dg>=20 Phone: +49 30 5551 8259 <tel:+49%2030%2055518259> , E-mail: = jens.blauert@xxxxxxxx <mailto:jens.blauert@xxxxxxxx>=20 =20 =20 =20 =20 --=20 Jens BLAUERT, Dr.-Ing., Dr. Tech. h.c. Prof. (em.), Acoustics and EE, Ruhr-Universit=C3=A4t Bochum Prof. (adj.), Architectural Acoustics, RPI, TROY NY Institute of Communication Acoustics, Ruhr-Universit=C3=A4t Bochum, D-44780 BOCHUM, Germany Internet: http://www.rub.de/ika Phone: +49 234 322 2496 <tel:+49%20234%203222496> (office) -- Home office: Brehmestrasse 22, D-13187 BERLIN, Germany = <https://maps.google.com/?q=3DBrehmestrasse+22,+D-13187+BERLIN,+Germany&e= ntry=3Dgmail&source=3Dg>=20 Phone: +49 30 5551 8259 <tel:+49%2030%2055518259> , E-mail: = jens.blauert@xxxxxxxx <mailto:jens.blauert@xxxxxxxx>=20 =20 =20 =20 =20 =20 ------=_NextPart_000_131A_01D3AFB4.593DE900 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <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 = http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta = name=3DGenerator content=3D"Microsoft Word 15 (filtered = medium)"><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:Consolas; panose-1:2 11 6 9 2 2 4 3 2 4;} @xxxxxxxx {font-family:"Open Sans"; panose-1:2 11 6 6 3 5 4 2 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman",serif; color:black;} 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:0cm; mso-margin-bottom-alt:auto; margin-left:0cm; font-size:12.0pt; font-family:"Times New Roman",serif; color:black;} pre {mso-style-priority:99; mso-style-link:"Pr=C3=A9format=C3=A9 HTML Car"; margin:0cm; margin-bottom:.0001pt; font-size:10.0pt; font-family:"Courier New"; color:black;} tt {mso-style-priority:99; font-family:"Courier New";} p.msonormal0, li.msonormal0, div.msonormal0 {mso-style-name:msonormal; mso-margin-top-alt:auto; margin-right:0cm; mso-margin-bottom-alt:auto; margin-left:0cm; font-size:12.0pt; font-family:"Times New Roman",serif; color:black;} span.PrformatHTMLCar {mso-style-name:"Pr=C3=A9format=C3=A9 HTML Car"; mso-style-priority:99; mso-style-link:"Pr=C3=A9format=C3=A9 HTML"; font-family:Consolas; color:black;} span.EmailStyle22 {mso-style-type:personal-reply; font-family:"Calibri",sans-serif; color:#1F497D;} .MsoChpDefault {mso-style-type:export-only; font-size:10.0pt;} @xxxxxxxx WordSection1 {size:612.0pt 792.0pt; margin:70.85pt 70.85pt 70.85pt 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]--></head><body bgcolor=3Dwhite = lang=3DEN-US link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p = class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >On this discussion=E2=80=A6 <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><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >I can=E2=80=99t really imagine what you could mean by = =C2=AB&nbsp;unadulterated&nbsp;=C2=BB in this context. The previous = comments, regarding HRTF being time-varying, is in relation to the fact = that are heads are mobile, turning, providing dynamic as well as static = cues. Over the long term, there is the fact that our head and ears are = growing. Issues related to inner ear response and level are a function = of the sound source and therefore will occur during playback. There is = no reason to incorporate this context dependent and non-directional = information in the HRTF as we understand it. <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><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Cognitive adaptation related to how our brains interpret the HRTF = acoustic cues, for example how we learn our evolving HRTF as our head = gets bigger. This in no way affects the actual HRTF, but our improved = use of it individually. Continuing on this line, it has been shown that = it is easier to adapt/learn and HRTF that is similar to your own than = one that is very different=E2=80=A6 <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><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >The KEMAR dummy head HRTF is a simple HRTF, like any other. The KEMAR = head was created after some morphological statistics of a certain = population. None the less, it represents an HRTF like any other, dummy = or otherwise. What makes KEMAR, and other dummy heads useful, other than = practicalities of measuring an immobile subject who doesn=E2=80=99t = complain about loud sources, is that there are identical copies of the = =E2=80=9Csubject=E2=80=9D =C2=A0around the world, providing a useful = physical reference.<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><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Finally, how the KEMAR HRTF is received by a given individual is = governed by the same issues relating to all other HRTFs, the closer the = morphology of the individual is to that of KEMAR the better. There is no = guarantee in any way that KEMAR will work will for a given individual, = and nothing that says it will work for more of the population than = another statistically selected HRTF. The recent availability of many = HRTF databases of course improves the statistical efforts towards = understanding the connections between HRTF and morphology, HRTF = perceptual suitability for a given individual, and of course the chance = that an HRTF similar to your own is more available (if you can=E2=80=99t = have your own measured). <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><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Well, that=E2=80=99s my thoughts at = least=E2=80=A6<o:p></o:p></span></p><div><p class=3DMsoNormal><span = lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >--<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Brian FG Katz<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR = style=3D'font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Groupe Lutheries - Acoustique =E2=80=93 Musique<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DFR = style=3D'font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >Sorbonne Universit=C3=A9, CNRS, UMR 7190, Institut Jean Le Rond = =E2=88=82'Alembert</span><span lang=3DFR = style=3D'font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= > <o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= >http://www.dalembert.upmc.fr/home/katz<o:p></o:p></span></p></div><p = class=3DMsoNormal><span lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'= ><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=3DMsoNormal><b><span lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte= xt'>From:</span></b><span lang=3DFR = style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowte= xt'> AUDITORY - Research in Auditory Perception = [mailto:AUDITORY@xxxxxxxx <b>On Behalf Of </b>Pierre = Divenyi<br><b>Sent:</b> Monday, February 26, 2018 6:58 PM<br><b>To:</b> = AUDITORY@xxxxxxxx<br><b>Subject:</b> Re: [AUDITORY] Who coined = the term &quot;head-related transfer = function&quot;?<o:p></o:p></span></p></div></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal = style=3D'margin-bottom:12.0pt'><span = style=3D'font-family:"Calibri",sans-serif'>Dick,<br><br>Sorry -- I did = not realize that I was responding not to your idea but to a translation = of Jens Blauert's posting. This being the case, what's your opinion = about the KEMAR's HRTFs being the only unadulterated = ones?<br><br>Pierre</span><o:p></o:p></p><div><p class=3DMsoNormal>On = 2/25/18 9:39 PM, Richard F. Lyon wrote:<o:p></o:p></p></div><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p = class=3DMsoNormal>Pierre, you're replying to me for what I translated = from Blauert.&nbsp; Please amend.<o:p></o:p></p></div><p = class=3DMsoNormal = style=3D'margin-bottom:12.0pt'>Dick<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p = class=3DMsoNormal>2018-02-25 21:33 GMT-08:00 PIerre DIVENYI &lt;<a = href=3D"mailto:pdivenyi@xxxxxxxx" = target=3D"_blank">pdivenyi@xxxxxxxx</a>&gt;:<o:p></o:p></p><blo= ckquote style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm = 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p = class=3DMsoNormal>Dick, <o:p></o:p></p><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Reading your very thoughtful analyis the real, I mean = =E2=80=9Creal,=E2=80=9D question that comes to mind is what, if any, the = use of the many available HRTF databases is, since (as you state) these = functions are time varying and even subject to cognitvely induced = changes. This being the case, the only reliable HRTFs are those measured = in KEMAR, a head the cognitive functions inside which should be = negligible.&nbsp;<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Pierre<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div = id=3D"m_-4835756762856322138AppleMailSignature"><p = class=3DMsoNormal>Sent from my iPad<o:p></o:p></p></div><div><p = class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br>On Feb 25, 2018, at = 19:16, Richard F. Lyon &lt;<a href=3D"mailto:dicklyon@xxxxxxxx" = target=3D"_blank">dicklyon@xxxxxxxx</a>&gt; = wrote:<o:p></o:p></p></div><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p = class=3DMsoNormal>Hello Mr. Schoenwiesner -<br>Here are the mails that = have come to me. As Dorte Hammershoei rightly notes, the outer ear = transmission functions are old hat. In particular, Shaw has contributed = much to this. The word &quot;head-related&quot; has long been common and = semantically correct in stereophony as opposed to &quot;spatially = referenced&quot;. The transfer function to the eardrum from a plane wave = or the near field of a source are not head related, but are just the = transfer functions of the head (together with the upper body). At the = time, Geo Plenge had a big problem with Dennis McFadden, who did not = want to print his article on Out-of-the-Head Locality. I always suspect = nor that Dennis suggested the wrong term HRTf, instead of HTF, which = would have been better. Now, the abbreviation HRTF but has introduced = worldwide, and especially Americans love handy shortcuts. More = interesting today is the question to what extent HRTFs, which presuppose = LTI systems, describe the situation with sufficient accuracy. For = example, the eardrum impedance is modulation-dependent. This is but u.a. = controlled by the middle ear muscle reflex, where even cognitive = feedback plays a role. Furthermore, head movements play a major role in = current research, with the &quot;HRTFs&quot; being time-varying !! So = there is still much to do. I myself have the pure discovers physical = aspects of this topic and is currently writing. about feedback in the = auditory system. <o:p></o:p></p><div><div><p class=3DMsoNormal><br>- = With kind regards, Jens Blauert = <o:p></o:p></p></div></div></div><div><div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p = class=3DMsoNormal>2018-02-20 11:43 GMT-08:00 Pierre Divenyi &lt;<a = href=3D"mailto:pdivenyi@xxxxxxxx" = target=3D"_blank">pdivenyi@xxxxxxxx</a>&gt;:<o:p></o:p></p><blo= ckquote style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm = 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p = class=3DMsoNormal><span = style=3D'font-family:"Calibri",sans-serif'>Dick,<br>You can do the = Google translate this time. It's an interesting mail, also pointing out = the impossibility of translating word-by-word between = languages.<br>Best,<br>Pierre</span><o:p></o:p></p><div><p = class=3DMsoNormal><br><br>-------- Forwarded Message -------- = <o:p></o:p></p><table class=3DMsoNormalTable border=3D0 cellspacing=3D0 = cellpadding=3D0><tr><td nowrap valign=3Dtop style=3D'padding:0cm 0cm 0cm = 0cm'><p class=3DMsoNormal align=3Dright = style=3D'text-align:right'><b>Subject: <o:p></o:p></b></p></td><td = style=3D'padding:0cm 0cm 0cm 0cm'><p class=3DMsoNormal>Re: Who coined = the term &quot;head-related transfer = function&quot;?<o:p></o:p></p></td></tr><tr><td nowrap valign=3Dtop = style=3D'padding:0cm 0cm 0cm 0cm'><p class=3DMsoNormal align=3Dright = style=3D'text-align:right'><b>Date: <o:p></o:p></b></p></td><td = style=3D'padding:0cm 0cm 0cm 0cm'><p class=3DMsoNormal>Tue, 20 Feb 2018 = 12:01:36 +0100<o:p></o:p></p></td></tr><tr><td nowrap valign=3Dtop = style=3D'padding:0cm 0cm 0cm 0cm'><p class=3DMsoNormal align=3Dright = style=3D'text-align:right'><b>From: <o:p></o:p></b></p></td><td = style=3D'padding:0cm 0cm 0cm 0cm'><p class=3DMsoNormal>jens.blauert <a = href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">&lt;jens.blauert@xxxxxxxx&gt;</a><o:p></o:p></p></td></tr= ><tr><td nowrap valign=3Dtop style=3D'padding:0cm 0cm 0cm 0cm'><p = class=3DMsoNormal align=3Dright style=3D'text-align:right'><b>To: = <o:p></o:p></b></p></td><td style=3D'padding:0cm 0cm 0cm 0cm'><p = class=3DMsoNormal>Marc Schoenwiesner <a = href=3D"mailto:marc.schoenwiesner@xxxxxxxx" = target=3D"_blank">&lt;marc.schoenwiesner@xxxxxxxx&gt;</a>, Jens Blauert = <a href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">&lt;jens.blauert@xxxxxxxx&gt;</a><o:p></o:p></p></td></tr= ></table><p class=3DMsoNormal = style=3D'margin-bottom:12.0pt'><o:p>&nbsp;</o:p></p><div><p = class=3DMsoNormal><br><tt><b><span style=3D'font-size:10.0pt'>Hallo Herr = Schoenwiesner --</span></b></tt><b><span = style=3D'font-size:10.0pt;font-family:"Courier New"'><br><tt>Anbei die = Mails, die bei mir eingegangen sind. Wie Dorte Hammershoei richtig = bemerkt, sind die Au=C3=9Fenohr- =C3=9Cbertragungsfunktionen ein alter = Hut. Insbesondere Shaw hat hierzu viel beigetragen. Das Wort = &quot;kopfbezogen&quot; ist bei&nbsp; Stereophonie in Gegensatz zu = &quot;raumbezogen&quot; seit langen =C3=BCblich und semantisch korrekt. = Die =C3=9Cbertragungsfunktion zum&nbsp; Trommelfell aus einer ebenen = Welle oder dem Nahfeld einer Quelle&nbsp; sind aber nicht kopfbezogen, = sondern sind eben die&nbsp; =C3=9Cbertragunsfunktionen des Kopfes = (zusammen mit dem Oberk=C3=B6rper). Georg Plenge hatte seinerzeit ein = gro=C3=9Fes Problem mit Dennis&nbsp; McFadden, der seinen Artikel zur = Au=C3=9Ferhalb-des-Kopfes-Lokalisiertheit nicht drucken wollte. Ich = vermute immer </tt><br><tt>noch, dass Dennis den falschen Ausdruck HRTf = angeregt hat, statt HTF, was besser gewesen w=C3=A4re. Nun hat sich die = Abk=C3=BCrzung&nbsp; HRTF aber weltweit eingef=C3=BChrt, und = insbesondere Amerikaner lieben griffige Abk=C3=BCrzungen. Interessant = ist heute eher die&nbsp; Frage, inwieweit HRTFs, die ja LTI-Systeme = vorausetzen, die Sachlage hinreichend genau beschreiben. Zum Beispiel = ist die Trommelfellimpedanz aussteuerungsabh=C3=A4ngig. Diese ist aber = u.a. durch den Mittelohrmuskel-Reflex gesteuert, wo bei dabei sogar = kognitives Feedback eine Rolle spielt. Des weiteren spielen in der = aktuellen Forschung Kopfbewegungen ein gro=C3=9Fe Rolle, wobei die = &quot;HRTFs&quot; dann zeitvariant sind!! Es ist also noch viel zu = tun.&nbsp; Ich selbst habe mich bez=C3=BCglich der rein&nbsp; = </tt><br><tt>physikalische Aspekte dieses Themas ausgeklinkt und = schreibe z.Zt. =C3=BCber Feedback im auditorischen System. = </tt><br><tt>-- Mit Gru=C3=9F, Ihr Jens = Blauert&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&= nbsp;&nbsp; --&gt; Anhang</tt><br></span></b><br>Am 19.02.2018 um 12:02 = schrieb Marc Schoenwiesner:<o:p></o:p></p></div><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p = class=3DMsoNormal>Lieber Herr Blauert, <o:p></o:p></p><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Bitte leiten Sie die Mail weiter, danke. Meine Suche = nach dem Ursprung des Begriffs kommt von einem DFG-Antrag zum Thema an = dem ich gerade sitze.<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Viele Gr=C3=BC=C3=9Fe,<o:p></o:p></p></div><div><p = class=3DMsoNormal>Ihr Marc Sch=C3=B6nwiesner<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>PS.: Ich hatte Sie ca. 2001 kurz im Labor in Bochum = besucht. Einer Ihrer Studenten gab eine Demonstration der dynamischen = Raumschallsimulation. Das wissenschaftliche Interesse am Thema ist = geblieben, daher der Antrag.<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><div><p = class=3DMsoNormal>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D<br>Vice Dean Dept of Life = Sciences<o:p></o:p></p></div><div><p class=3DMsoNormal>Professor = &nbsp;of &nbsp;Neurobiology<br>Department of Biology<br>University of = Leipzig<br><a = href=3D"https://maps.google.com/?q=3DTalstrasse+33&amp;entry=3Dgmail&amp;= source=3Dg">Talstrasse 33</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = __o<br>04103 Leipzig &nbsp; &nbsp; &nbsp; &nbsp; _`\&lt;,_<br><a = href=3D"tel:+49%20341%209736723" target=3D"_blank">+493419736723</a> = &nbsp; &nbsp;(+) / (+)<br>&amp; Department of Psychology<br>University = &nbsp;of &nbsp;Montreal<br>Montreal, Quebec, Canada<br><a = href=3D"http://www.schoenwiesnerlab.ca/" = target=3D"_blank">www.schoenwiesnerlab.ca</a><br><a = href=3D"http://www.uni-leipzig.de/%7Eneuro/" = target=3D"_blank">www.uni-leipzig.de/~neuro/</a><br><a = href=3D"http://uni-leipzig.de/%7Eacn/" = target=3D"_blank">http://uni-leipzig.de/~acn/</a><br>=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p></div><= /div></div><div><p class=3DMsoNormal><br><br><o:p></o:p></p><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p = class=3DMsoNormal>On 18. Feb 2018, at 12:23, jens.blauert &lt;<a = href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">jens.blauert@xxxxxxxx</a>&gt; = wrote:<o:p></o:p></p></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><div><p = class=3DMsoNormal><tt><b><span style=3D'font-size:10.0pt'>Hallo Herr = Sch=C3=B6nwiesner --</span></b></tt><b><span = style=3D'font-size:10.0pt;font-family:"Courier New"'><br><tt>Ja, so ist = es wohl. Ich habe mich sp=C3=A4ter mal mit Whiteman &amp; Kistler = dar=C3=BCber unterhalten, </tt><br><tt>dass HRTR eigentlich semantisch = nicht zutrifft. Sie stimmten zu und wir waren uns einig, = </tt><br><tt>dass Head-transfer function (HTF) besser w=C3=A4re. Die = beiden haben wohl auch versucht, </tt><br><tt>das den amerikanischen = Kollegen zu vermitteln -- aber es war dann wohl schon zu sp=C3=A4t. Wer = will </tt><br><tt>der Sache eigentlich jetzt nachgehen? Sind Sie das? = Bei mir sind schon mehrere Mails zu dem </tt><br><tt>Thema eingegangen, = die Sie m=C3=B6glicherweise nicht gesehen haben. Soll ich sie zu Ihnen = forwarden?</tt><br><tt>-- Gru=C3=9F, Ihr Jens = Blauert</tt><br><br></span></b><br>m 16.02.2018 um 12:11 schrieb Marc = Schoenwiesner:<o:p></o:p></p></div><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p = class=3DMsoNormal>Lieber Herr Blauert, <o:p></o:p></p><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Im JASA paper von 1972 (&quot;On the differences = between localization and lateralization&quot;) erw=C3=A4hnt Plenge keine = HRTF, spricht aber viel =C3=BCber dummy-head transfer functions. = K=C3=B6nnte es sein, dass mit HRTF urspr=C3=BCnglich dummy-head transfer = functions gemeint waren?<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Hier das Plenge paper:&nbsp;<a = href=3D"https://pdfs.semanticscholar.org/7e36/c3e7ee73d21efad5cde919fbafc= 21c4f442e.pdf?_ga=3D2.95831066.74002722.1518703463-1062093161.1518703463"= = target=3D"_blank">https://pdfs.semanticscholar.org/7e36/c3e7ee73d21efad5c= de919fbafc21c4f442e.pdf?_ga=3D2.95831066.74002722.1518703463-1062093161.1= 518703463</a><o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Viele Gr=C3=BC=C3=9Fe aus = Leipzig,<o:p></o:p></p></div><div><p class=3DMsoNormal>Marc = Sch=C3=B6nwiesner&nbsp;<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><div><div><div><p = class=3DMsoNormal>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D<br>Vice Dean Dept of Life = Sciences<o:p></o:p></p></div><div><p class=3DMsoNormal>Professor = &nbsp;of &nbsp;Neurobiology<br>Department of Biology<br>University of = Leipzig<br><a = href=3D"https://maps.google.com/?q=3DTalstrasse+33&amp;entry=3Dgmail&amp;= source=3Dg">Talstrasse 33</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = __o<br>04103 Leipzig &nbsp; &nbsp; &nbsp; &nbsp; _`\&lt;,_<br><a = href=3D"tel:+49%20341%209736723" target=3D"_blank">+493419736723</a> = &nbsp; &nbsp;(+) / (+)<br>&amp; Department of Psychology<br>University = &nbsp;of &nbsp;Montreal<br>Montreal, Quebec, Canada<br><a = href=3D"http://www.schoenwiesnerlab.ca/" = target=3D"_blank">www.schoenwiesnerlab.ca</a><br><a = href=3D"http://www.uni-leipzig.de/%7Eneuro/" = target=3D"_blank">www.uni-leipzig.de/~neuro/</a><br><a = href=3D"http://uni-leipzig.de/%7Eacn/" = target=3D"_blank">http://uni-leipzig.de/~acn/</a><br>=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p></div><= /div></div><div><p class=3DMsoNormal><br><br><o:p></o:p></p><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p = class=3DMsoNormal>On 16. Feb 2018, at 10:56, Jens Blauert &lt;<a = href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">jens.blauert@xxxxxxxx</a>&gt; = wrote:<o:p></o:p></p></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p = class=3DMsoNormal>Gru=C3=9F, Jens Blauert<o:p></o:p></p><div><p = class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br><br>-------- = Weitergeleitete Nachricht --------<o:p></o:p></p><div><p = class=3DMsoNormal><tt><b><span style=3D'font-size:10.0pt'>Hallo Pierre = --</span></b></tt><b><span = style=3D'font-size:10.0pt;font-family:"Courier New"'><br><tt>Es war = Georg Plenge (erlebt noch in Berlin) in einem JASA paper ca. 1972. = </tt><br><tt>Wurde von Dennis Mc. Fadden reviewed. Ich hatte in meinem = Buch = &quot;Au=C3=9Fenohr-=C3=9Cbertragungsfunktion&quot;</tt><br><tt>(external= -ear transfer function) verwendet, aber HRTF hat sich durchgesetzt, = obwohl falsch.</tt><br><tt>Was hei=C3=9Ft denn &quot;related&quot;? = Es<u> IST</u> die =C3=9Cbertragungsfunktion des Kopfes bzw. Ohres!&nbsp; = </tt><br><tt>Das Plenge-Paper m=C3=BCsste ich mal raussuchen. Die = JASA-B=C3=A4nde sind in Bochum.</tt><br><tt>Es ging dabei um = Im-Kopf-Lokalisertheit bei Kunstkopfsignalen -- oder so = =C3=A4hnlich.</tt><br><tt>-- Gru=C3=9F, = Jens</tt><br></span></b><br><br>Am 16.02.2018 um 06:28 schrieb Pierre = Divenyi:<o:p></o:p></p></div><blockquote = style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal>Dear = Jens,<br><br>You should know the answer to this question by Dick = Lyon.<br><br>Beste Gruesse,<br>Dein Pierre<o:p></o:p></p><div><p = class=3DMsoNormal><br><br>-------- Forwarded Message -------- = <o:p></o:p></p><table class=3DMsoNormalTable border=3D0 cellspacing=3D3 = cellpadding=3D0><tr><td nowrap style=3D'padding:.75pt .75pt .75pt = .75pt'><p class=3DMsoNormal align=3Dcenter = style=3D'text-align:center'><b>Subject: <o:p></o:p></b></p></td><td = style=3D'padding:.75pt .75pt .75pt .75pt'><p class=3DMsoNormal>Who = coined the term &quot;head-related transfer = function&quot;?<o:p></o:p></p></td></tr><tr><td nowrap = style=3D'padding:.75pt .75pt .75pt .75pt'><p class=3DMsoNormal = align=3Dcenter style=3D'text-align:center'><b>Date: = <o:p></o:p></b></p></td><td style=3D'padding:.75pt .75pt .75pt .75pt'><p = class=3DMsoNormal>Thu, 15 Feb 2018 15:46:44 = +0100<o:p></o:p></p></td></tr><tr><td nowrap style=3D'padding:.75pt = .75pt .75pt .75pt'><p class=3DMsoNormal align=3Dcenter = style=3D'text-align:center'><b>From: <o:p></o:p></b></p></td><td = style=3D'padding:.75pt .75pt .75pt .75pt'><p class=3DMsoNormal>Marc = Schoenwiesner <a href=3D"mailto:marcs@xxxxxxxx" = target=3D"_blank">&lt;marcs@xxxxxxxx&gt;</a><o:p></o:p></p></td>= </tr><tr><td nowrap style=3D'padding:.75pt .75pt .75pt .75pt'><p = class=3DMsoNormal align=3Dcenter = style=3D'text-align:center'><b>Reply-To: <o:p></o:p></b></p></td><td = style=3D'padding:.75pt .75pt .75pt .75pt'><p class=3DMsoNormal>Marc = Schoenwiesner <a href=3D"mailto:marcs@xxxxxxxx" = target=3D"_blank">&lt;marcs@xxxxxxxx&gt;</a><o:p></o:p></p></td>= </tr><tr><td nowrap style=3D'padding:.75pt .75pt .75pt .75pt'><p = class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><b>To: = <o:p></o:p></b></p></td><td style=3D'padding:.75pt .75pt .75pt .75pt'><p = class=3DMsoNormal><a href=3D"mailto:AUDITORY@xxxxxxxx" = target=3D"_blank">AUDITORY@xxxxxxxx</a><o:p></o:p></p></td></tr></= table><p class=3DMsoNormal><br><br>Dear all, <o:p></o:p></p><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>does anyone know who coined the = term&nbsp;&quot;head-related transfer function&quot;? The first mention = in a paper (as far as I have been able to determine) is by Frederic = Wightman and Doris Kistler in 1988, but they write: &quot;...the = free-field-to-eardrum transfer function (sometimes called the = head-related transfer function, or HRTF)...&quot;, which sounds like = there must be an earlier source.<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p = class=3DMsoNormal>Best,<o:p></o:p></p></div><div><p = class=3DMsoNormal>Marc<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><div><div><p = class=3DMsoNormal>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D<br>Vice Dean Dept of Life = Sciences<o:p></o:p></p></div><div><p class=3DMsoNormal>Professor = &nbsp;of &nbsp;Neurobiology<br>Department of Biology<br>University of = Leipzig<br><a = href=3D"https://maps.google.com/?q=3DTalstrasse+33&amp;entry=3Dgmail&amp;= source=3Dg">Talstrasse 33</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = __o<br>04103 Leipzig &nbsp; &nbsp; &nbsp; &nbsp; _`\&lt;,_<br><a = href=3D"tel:+49%20341%209736723" target=3D"_blank">+493419736723</a> = &nbsp; &nbsp;(+) / (+)<br>&amp; Department of Psychology<br>University = &nbsp;of &nbsp;Montreal<br>Montreal, Quebec, Canada<br><a = href=3D"http://www.schoenwiesnerlab.ca/" = target=3D"_blank">www.schoenwiesnerlab.ca</a><br><a = href=3D"http://www.uni-leipzig.de/%7Eneuro/" = target=3D"_blank">www.uni-leipzig.de/~neuro/</a><br><a = href=3D"http://uni-leipzig.de/%7Eacn/" = target=3D"_blank">http://uni-leipzig.de/~acn/</a><br>=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p></div><= /div></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></blockquote><p = class=3DMsoNormal>-- Jens BLAUERT, Dr.-Ing., Dr. Tech. h.c. Prof. (em.), = Acoustics and EE, Ruhr-Universit=C3=A4t Bochum Prof. (adj.), = Architectural Acoustics, RPI, Troy NY Postal address: Institute of = Communication Acoustics, Ruhr-Universit=C3=A4t Bochum, D-44780 Bochum, = Germany E-mail: <a href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">jens.blauert@xxxxxxxx</a> Internet: <a = href=3D"http://www.rub.de/ika" = target=3D"_blank">http://www.rub.de/ika</a> Phone: <a = href=3D"tel:+49%20234%203222496" target=3D"_blank">+49 234 322 2496</a> = (secretary), ...3480 (direct) Fax: <a href=3D"tel:+49%20234%20321" = target=3D"_blank">+49 234 321</a> 4165 Home Office: Brehmestra=C3=9Fe = 22, 13187 BERLIN Phone: <a href=3D"tel:+49%2030%2055518259" = target=3D"_blank">+49 30 5551 8259</a> <o:p></o:p></p></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div></blockquote></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div></blockquote><p><o:p>&= nbsp;</o:p></p><pre>-- <o:p></o:p></pre><pre>Jens BLAUERT, Dr.-Ing., Dr. = Tech. h.c.<o:p></o:p></pre><pre>Prof. (em.), Acoustics and EE, = Ruhr-Universit=C3=A4t Bochum<o:p></o:p></pre><pre>Prof. (adj.), = Architectural Acoustics, RPI, TROY NY<o:p></o:p></pre><pre>Institute of = Communication Acoustics,<o:p></o:p></pre><pre>Ruhr-Universit=C3=A4t = Bochum, D-44780 BOCHUM, Germany<o:p></o:p></pre><pre>Internet: <a = href=3D"http://www.rub.de/ika" = target=3D"_blank">http://www.rub.de/ika</a><o:p></o:p></pre><pre>Phone: = <a href=3D"tel:+49%20234%203222496" target=3D"_blank">+49 234 322 = 2496</a> (office)<o:p></o:p></pre><pre>--<o:p></o:p></pre><pre>Home = office: <a = href=3D"https://maps.google.com/?q=3DBrehmestrasse+22,+D-13187+BERLIN,+Ge= rmany&amp;entry=3Dgmail&amp;source=3Dg">Brehmestrasse 22, D-13187 = BERLIN, Germany</a><o:p></o:p></pre><pre>Phone: <a = href=3D"tel:+49%2030%2055518259" target=3D"_blank">+49 30 5551 8259</a>, = E-mail: <a href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">jens.blauert@xxxxxxxx</a><o:p></o:p></pre><pre><o:p>&nbsp= ;</o:p></pre><pre><o:p>&nbsp;</o:p></pre></div></div></blockquote></div><= p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div></blockquote><p><o:p>&= nbsp;</o:p></p><pre>-- <o:p></o:p></pre><pre>Jens BLAUERT, Dr.-Ing., Dr. = Tech. h.c.<o:p></o:p></pre><pre>Prof. (em.), Acoustics and EE, = Ruhr-Universit=C3=A4t Bochum<o:p></o:p></pre><pre>Prof. (adj.), = Architectural Acoustics, RPI, TROY NY<o:p></o:p></pre><pre>Institute of = Communication Acoustics,<o:p></o:p></pre><pre>Ruhr-Universit=C3=A4t = Bochum, D-44780 BOCHUM, Germany<o:p></o:p></pre><pre>Internet: <a = href=3D"http://www.rub.de/ika" = target=3D"_blank">http://www.rub.de/ika</a><o:p></o:p></pre><pre>Phone: = <a href=3D"tel:+49%20234%203222496" target=3D"_blank">+49 234 322 = 2496</a> (office)<o:p></o:p></pre><pre>--<o:p></o:p></pre><pre>Home = office: <a = href=3D"https://maps.google.com/?q=3DBrehmestrasse+22,+D-13187+BERLIN,+Ge= rmany&amp;entry=3Dgmail&amp;source=3Dg">Brehmestrasse 22, D-13187 = BERLIN, Germany</a><o:p></o:p></pre><pre>Phone: <a = href=3D"tel:+49%2030%2055518259" target=3D"_blank">+49 30 5551 8259</a>, = E-mail: <a href=3D"mailto:jens.blauert@xxxxxxxx" = target=3D"_blank">jens.blauert@xxxxxxxx</a><o:p></o:p></pre><pre><o:p>&nbsp= ;</o:p></pre><pre><o:p>&nbsp;</o:p></pre></div></div></blockquote></div><= p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div></div></div></blockquo= te></div></div></blockquote></div><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></blockquote><p = class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></body></html> ------=_NextPart_000_131A_01D3AFB4.593DE900--


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