Subject: Re: phantom sources From: William Yost <William.Yost@xxxxxxxx> Date: Tue, 29 Jul 2014 14:10:39 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--_000_CFFCF8E0121A0wayostexchangeasuedu_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Not a panning, just on lateralization over headphones. Wes Grantham does ha= ve a paper comparing an actual moving source with a panned source and showe= d no difference over a small spatial separation. It is a nice clean paper. William Yost, PhD Professor Speech and Hearing Science Arizona State University PO Box 870102 Tempe, AZ 85289-0102 Email: William.Yost@xxxxxxxx 480-727-7148 fax: 480-965-8516 From: Peter Lennox <P.Lennox@xxxxxxxx<mailto:P.Lennox@xxxxxxxx>> Date: Tuesday, July 29, 2014 at 4:47 AM To: William Yost <William.Yost@xxxxxxxx<mailto:William.Yost@xxxxxxxx>>, "audi= tory@xxxxxxxx<mailto:auditory@xxxxxxxx>" <auditory@xxxxxxxx= ll.ca<mailto:auditory@xxxxxxxx>> Subject: RE: phantom sources William =96 didn=92t you do some work in 1971 on this? Dr. Peter Lennox School of Technology, Faculty of Arts, Design and Technology University of Derby, UK e: p.lennox@xxxxxxxx<mailto:p.lennox@xxxxxxxx> t: 01332 593155 From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx= ILL.CA] On Behalf Of William Yost Sent: 26 July 2014 16:46 To: AUDITORY@xxxxxxxx<mailto:AUDITORY@xxxxxxxx> Subject: Re: phantom sources Fine work in Journal of the Acoustical Society of America by Wes Grantham Sent from my IPhone William Yost William.yost@xxxxxxxx<mailto:William.yost@xxxxxxxx> Office: 480-727-7148 Home: 480-306-6755 Cell: 480-231-9250 On Jul 25, 2014, at 9:17 PM, "Philip Robinson" <philrob22@xxxxxxxx<mailto:= philrob22@xxxxxxxx>> wrote: Howdy y=92all, I=92m doing some investigations preliminary to implementing a room acoustic= s auralization system and want to get some input from the community. Is there any good literature on the perceptual difference between a phantom= source (e.g. between a stereo pair) and a real source (e.g. center channel= )? I am interested in more than just simple localization: width, resolutio= n of multiple phantoms, etc.? Is perception of a phantom source the same wh= en panned between a triad or a pair of loudspeakers? My basic understanding= is that phantom sources are wider or blurrier than real ones, has this bee= n specifically tested? Any opinions or references are welcome. Have a great summer, Philip W. Robinson Environmental Design Analyst Specialist Modelling Group Foster + Partners Riverside, 22 Hester Road<x-apple-data-detectors://0/0> London SW11 4AN<x-apple-data-detectors://0/0> E probinson@xxxxxxxx<mailto:probinson@xxxxxxxx> The University of Derby has a published policy regarding email and reserves= the right to monitor email traffic. If you believe this was sent to you in= error, please select unsubscribe. Unsubscribe and Security information contact: infosec@xxxxxxxx<mailto:in= fosec@xxxxxxxx> For all FOI requests please contact: foi@xxxxxxxx<mailto:foi@xxxxxxxx= > All other Contacts are at http://www.derby.ac.uk/its/contacts/ --_000_CFFCF8E0121A0wayostexchangeasuedu_ Content-Type: text/html; charset="Windows-1252" Content-ID: <1DED64D3573B924CB6819B60287A2CAC@xxxxxxxx> Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1= 252"> </head> <body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin= e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami= ly: Calibri, sans-serif;"> <div> <div>Not a panning, just on lateralization over headphones. Wes Grantham do= es have a paper comparing an actual moving source with a panned source and = showed no difference over a small spatial separation. It is a nice clean pa= per.</div> <div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">Wi= lliam Yost, PhD</font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">Pr= ofessor</font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">Sp= eech and Hearing Science</font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">Ar= izona State University</font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">PO= Box 870102</font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">Te= mpe, AZ 85289-0102</font></div> <div><font color=3D"#ff2e26">E<font class=3D"Apple-style-span" face=3D"Cali= bri">mail: William.Yost@xxxxxxxx</font></font></div> <div><font color=3D"#ff2e26"><font class=3D"Apple-style-span" face=3D"Calib= ri">480-727-7148</font></font></div> <div><font class=3D"Apple-style-span" face=3D"Calibri" color=3D"#ff2e26">fa= x: 480-965-8516</font></div> </div> </div> <div><br> </div> <span id=3D"OLK_SRC_BODY_SECTION"> <div style=3D"font-family:Calibri; font-size:11pt; text-align:left; color:b= lack; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM:= 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid;= BORDER-RIGHT: medium none; PADDING-TOP: 3pt"> <span style=3D"font-weight:bold">From: </span>Peter Lennox <<a href=3D"m= ailto:P.Lennox@xxxxxxxx">P.Lennox@xxxxxxxx</a>><br> <span style=3D"font-weight:bold">Date: </span>Tuesday, July 29, 2014 at 4:4= 7 AM<br> <span style=3D"font-weight:bold">To: </span>William Yost <<a href=3D"mai= lto:William.Yost@xxxxxxxx">William.Yost@xxxxxxxx</a>>, "<a href=3D"ma= ilto:auditory@xxxxxxxx">auditory@xxxxxxxx</a>" <<a hr= ef=3D"mailto:auditory@xxxxxxxx">auditory@xxxxxxxx</a>><br> <span style=3D"font-weight:bold">Subject: </span>RE: phantom sources<br> </div> <div><br> </div> <div xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micro= soft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" x= mlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:/= /www.w3.org/TR/REC-html40"> <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]--> <div lang=3D"EN-GB" link=3D"blue" vlink=3D"purple"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">William =96 didn=92t you do some wo= rk in 1971 on this?<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);"><o:p> </o:p></span></p> <div> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">Dr. Peter Lennox<o:p></o:p></span><= /p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">School of Technology,<o:p></o:p></s= pan></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">Faculty of Arts, Design and Technol= ogy<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">University of Derby, UK<o:p></o:p><= /span></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">e: <a href=3D"mailto:p.lennox@xxxxxxxx">p.lennox@xxxxxxxx</a> <o:p></o:p= ></span></p> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);">t: 01332 593155<o:p></o:p></span></= p> </div> <p class=3D"MsoNormal"><span style=3D"font-size: 11pt; font-family: Calibri= , sans-serif; color: rgb(31, 73, 125);"><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: 10pt; fo= nt-family: Tahoma, sans-serif;">From:</span></b><span lang=3D"EN-US" style= =3D"font-size: 10pt; font-family: Tahoma, sans-serif;"> AUDITORY - Research= in Auditory Perception [<a href=3D"mailto:AUDITORY@xxxxxxxx">mailto= :AUDITORY@xxxxxxxx</a>] <b>On Behalf Of </b>William Yost<br> <b>Sent:</b> 26 July 2014 16:46<br> <b>To:</b> <a href=3D"mailto:AUDITORY@xxxxxxxx">AUDITORY@xxxxxxxx= L.CA</a><br> <b>Subject:</b> Re: phantom sources<o:p></o:p></span></p> </div> </div> <p class=3D"MsoNormal"><o:p> </o:p></p> <div> <p class=3D"MsoNormal">Fine work in Journal of the Acoustical Society of Am= erica by Wes Grantham<br> <br> Sent from my IPhone <o:p></o:p></p> <div> <p class=3D"MsoNormal">William Yost<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><a href=3D"mailto:William.yost@xxxxxxxx">William.yost= @xxxxxxxx</a><o:p></o:p></p> </div> <div> <p class=3D"MsoNormal">Office: 480-727-7148<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal">Home: 480-306-6755<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal">Cell: 480-231-9250<o:p></o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> <div> <p class=3D"MsoNormal"><o:p> </o:p></p> </div> </div> <div> <p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br> On Jul 25, 2014, at 9:17 PM, "Philip Robinson" <<a href=3D"mai= lto:philrob22@xxxxxxxx">philrob22@xxxxxxxx</a>> wrote:<o:p></o:p></p> </div> <blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt"> <div> <p class=3D"MsoNormal">Howdy y=92all,<o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal">I=92m doing some investigations preliminary to imple= menting a room acoustics auralization system and want to get some input fro= m the community.<o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal">Is there any good literature on the perceptual diffe= rence between a phantom source (e.g. between a stereo pair) and a real sour= ce (e.g. center channel)? I am interested in more than just simple lo= calization: width, resolution of multiple phantoms, etc.? Is perception of a phantom source the same when panned bet= ween a triad or a pair of loudspeakers? My basic understanding is that phan= tom sources are wider or blurrier than real ones, has this been specificall= y tested?<o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal">Any opinions or references are welcome.<o:p></o:p></= p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal">Have a great summer,<o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal"><b>Philip W. Robinson </b><o:p></o:p></p> <p class=3D"MsoNormal"><b>Environmental Design Analyst</b><o:p></o:p></p> <p class=3D"MsoNormal"><b>Specialist Modelling Group</b><o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> <p class=3D"MsoNormal">Foster + Partners<o:p></o:p></p> <p class=3D"MsoNormal">Riverside, <a href=3D"x-apple-data-detectors://= 0/0">22 Hester Road</a><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"color:black"><a href=3D"x-apple-data-= detectors://0/0">London SW11 4AN</a></span><o:p></o:p></p> <p class=3D"MsoNormal">E <a href=3D"mailto:probinson@xxxxxxxx= rtners.com">probinson@xxxxxxxx</a><o:p></o:p></p> <p class=3D"MsoNormal"> <o:p></o:p></p> </div> </blockquote> </div> <br clear=3D"both"> The University of Derby has a published policy regarding email and reserves= the right to monitor email traffic. If you believe this was sent to you in= error, please select unsubscribe.<br> <br> Unsubscribe and Security information contact: <a href=3D"mailto:infosec@xxxxxxxx= by.ac.uk"> infosec@xxxxxxxx</a><br> For all FOI requests please contact: <a href=3D"mailto:foi@xxxxxxxx">foi= @xxxxxxxx</a><br> All other Contacts are at <a href=3D"http://www.derby.ac.uk/its/contacts/">= http://www.derby.ac.uk/its/contacts/</a><br> </div> </div> </span> </body> </html> --_000_CFFCF8E0121A0wayostexchangeasuedu_--