Subject: Re: How good is inter-aural frequency or pitch matching in normal humans? From: "Faulkner, Andrew" <a.faulkner@xxxxxxxx> Date: Tue, 30 Jun 2015 08:48:00 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--_000_VI1PR01MB1024B0DF55C7C6E5D6AE6B36DFA90VI1PR01MB1024eurp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Have a look at van den Brink's chapter on binaural diplacusis and tone perc= eption in Plomp and Smoorenburg's 1970 book "Frequency analysis and periodi= city detection in hearing." He also had some hard to locate papers on Acta Acustica Professor Andrew Faulkner Research Department of Speech Hearing and Phonetic Sciences<http://www.ucl.= ac.uk/silva/pals/research/shaps> UCL (University College London) Rm 314, Chandler House, 2 Wakefield St London WC1N 1PF tel 44 (0)20 7679 4075 (direct) Internal tel 24075 Fax: +44 (0)20 7679 4238 mailto:a.faulkner@xxxxxxxx UCL web: https://www.ucl.ac.uk/pals/people/profiles/academic-staff/andy-fau= lkner Soundcloud music: https://soundcloud.com/andy-faulkner From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx= ILL.CA] On Behalf Of Leon van Noorden Sent: 30 June 2015 08:08 To: AUDITORY@xxxxxxxx Subject: Re: How good is inter-aural frequency or pitch matching in normal = humans? Dear Jan, perhaps this helps: http://www.mmk.ei.tum.de/fileadmin/w00bqn/www/Personen/Terhardt/ter/top/psh= ifts.html Regards, Leon van Noorden On 29 Jun 2015, at 15:44, Jan Schnupp <jan.schnupp@xxxxxxxx<mailto:jan= .schnupp@xxxxxxxx>> wrote: Dear List, I have had a conversation with a musically keen retired physicist who assur= ed me that when he holds up a tuning fork to one ear he hears the pitch of = the tuning fork about a semitone lower than at the other ear. I had to say = that I found that surprising. We always assume that there has to be a good = alignment of frequency channels going into the binaural centers of the brai= nstem for example, and much effort is invested in trying to improve "inter-= aural pitch matching" for cochlear implant patients. But I have to admit I = know of no formal studies that have actually measured how good inter-aural = pitch matching would be for normally hearing subjects, and whether a differ= ence of a semitone (after all, only a few % in absolute terms) is absurdly = large or within the expected human variability. Would any of you know of an= y papers that have looked at this? Best, Jan -- Prof Jan Schnupp University of Oxford Dept. of Physiology, Anatomy and Genetics Sherrington Building - Parks Road Oxford OX1 3PT - UK +44-1865-282012 http://jan.schnupp.net<http://jan.schnupp.net/> --_000_VI1PR01MB1024B0DF55C7C6E5D6AE6B36DFA90VI1PR01MB1024eurp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-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=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <meta name=3D"Generator" content=3D"Microsoft Word 14 (filtered medium)"> <style><!-- /* Font Definitions */ @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:0cm; 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;} span.EmailStyle17 {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:72.0pt 72.0pt 72.0pt 72.0pt;} 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 lang=3D"EN-GB" link=3D"blue" vlink=3D"purple"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca= libri","sans-serif";color:#1F497D">Have a look at van den Br= ink’s chapter on binaural diplacusis and tone perception in Plomp and= Smoorenburg’s 1970 book “Frequency analysis and periodicity de= tection in hearing.”<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca= libri","sans-serif";color:#1F497D">He also had some hard to = locate papers on Acta Acustica<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca= libri","sans-serif";color:#1F497D"><o:p> </o:p></span><= /p> <div> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">Professor Andrew Faulkner<o:p></o:p></span><= /p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D"><a href=3D"http://www.ucl.ac.uk/silva/pals/r= esearch/shaps">Research Department of Speech Hearing and Phonetic Sciences<= /a><o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">UCL (University College London)<o:p></o:p></= span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">Rm 314, Chandler House, 2 Wakefield St<o:p><= /o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">London WC1N 1PF<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">tel 44 (0)20 7679 4075 (direct)<o:p></= o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">Internal tel 24075<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">Fax: +44 (0)20 7679 4238 <o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D"><a href=3D"mailto:a.faulkner@xxxxxxxx">mail= to:a.faulkner@xxxxxxxx</a><o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">UCL web: <a href=3D"https://www.ucl.ac.uk/pals/people/profiles/academic-staff/andy-f= aulkner"> https://www.ucl.ac.uk/pals/people/profiles/academic-staff/andy-faulkner</a>= <o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D">Soundcloud music:</span><span style=3D"font-= size:11.0pt;font-family:"Calibri","sans-serif";color:#1= F497D"> </span><span style=3D"font-family:"Arial","sans-serif";= color:#1F497D"><a href=3D"https://soundcloud.com/andy-faulkner">https://sou= ndcloud.com/andy-faulkner</a><o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-family:"Arial","s= ans-serif";color:#1F497D"><o:p> </o:p></span></p> </div> <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Ca= libri","sans-serif";color:#1F497D"><o:p> </o:p></span><= /p> <div> <div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm = 0cm 0cm"> <p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo= nt-family:"Tahoma","sans-serif"">From:</span></b><span = lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:"Tahoma",&qu= ot;sans-serif""> AUDITORY - Research in Auditory Perception [mailto:AU= DITORY@xxxxxxxx <b>On Behalf Of </b>Leon van Noorden<br> <b>Sent:</b> 30 June 2015 08:08<br> <b>To:</b> AUDITORY@xxxxxxxx<br> <b>Subject:</b> Re: How good is inter-aural frequency or pitch matching in = normal humans?<o:p></o:p></span></p> </div> </div> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">Dear Jan,<o:p></o:p></p> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> <div> <p class=3D"MsoNormal">perhaps this helps:<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal"><a href=3D"http://www.mmk.ei.tum.de/fileadmin/w00bqn= /www/Personen/Terhardt/ter/top/pshifts.html">http://www.mmk.ei.tum.de/filea= dmin/w00bqn/www/Personen/Terhardt/ter/top/pshifts.html</a><o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal">Regards,<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal">Leon van Noorden<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> <div> <div> <p class=3D"MsoNormal">On 29 Jun 2015, at 15:44, Jan Schnupp <<a href=3D= "mailto:jan.schnupp@xxxxxxxx">jan.schnupp@xxxxxxxx</a>> wrote:= <o:p></o:p></p> </div> <p class=3D"MsoNormal"><br> <br> <o:p></o:p></p> <div> <p class=3D"MsoNormal">Dear List,<o:p></o:p></p> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal">I have had a conversation with a musically keen reti= red physicist who assured me that when he holds up a tuning fork to one ear= he hears the pitch of the tuning fork about a semitone lower than at the o= ther ear. I had to say that I found that surprising. We always assume that there has to be a good alignment of= frequency channels going into the binaural centers of the brainstem for ex= ample, and much effort is invested in trying to improve "inter-aural p= itch matching" for cochlear implant patients. But I have to admit I know of no formal studies that have actually measure= d how good inter-aural pitch matching would be for normally hearing subject= s, and whether a difference of a semitone (after all, only a few % in absol= ute terms) is absurdly large or within the expected human variability. Would any of you know of any papers= that have looked at this?<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal">Best,<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal">Jan <br clear=3D"all"> <o:p></o:p></p> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <p class=3D"MsoNormal">-- <o:p></o:p></p> <div> <p class=3D"MsoNormal">Prof Jan Schnupp<br> University of Oxford<br> Dept. of Physiology, Anatomy and Genetics<br> Sherrington Building - Parks Road<br> Oxford OX1 3PT - UK<br> +44-1865-282012<br> <a href=3D"http://jan.schnupp.net/" target=3D"_blank">http://jan.schnupp.ne= t</a><o:p></o:p></p> </div> </div> </div> </div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> </div> </div> </body> </html> --_000_VI1PR01MB1024B0DF55C7C6E5D6AE6B36DFA90VI1PR01MB1024eurp_--