Subject: phantom sources From: Philip Robinson <philrob22@xxxxxxxx> Date: Fri, 25 Jul 2014 22:03:17 +0100 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--Apple-Mail-7C68629F-808B-49C1-BF98-D0043016CB4B Content-Type: text/plain; charset=euc-kr Content-Transfer-Encoding: quoted-printable Howdy y=A1=AFall, =20 I=A1=AFm doing some investigations preliminary to implementing a room acoust= ics auralization system and want to get some input from the community. =20 Is there any good literature on the perceptual difference between a phantom s= ource (e.g. between a stereo pair) and a real source (e.g. center channel)? = I am interested in more than just simple localization: width, resolution of= multiple phantoms, etc.? Is perception of a phantom source the same when pa= nned between a triad or a pair of loudspeakers? My basic understanding is th= at phantom sources are wider or blurrier than real ones, has this been speci= fically tested? =20 Any opinions or references are welcome. =20 Have a great summer, =20 Philip W. Robinson=20 Environmental Design Analyst Specialist Modelling Group =20 Foster + Partners Riverside, 22 Hester Road London SW11 4AN E probinson@xxxxxxxx =20= --Apple-Mail-7C68629F-808B-49C1-BF98-D0043016CB4B 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"><p class=3D"MsoNormal" style=3D"margin: 0cm= 0cm 0.0001pt;"><span style=3D"-webkit-text-size-adjust: auto; background-co= lor: rgba(255, 255, 255, 0);">Howdy y=E2=80=99all,<o:p></o:p></span></p><p c= lass=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><o:p style=3D"-webkit= -text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);"> </= o:p></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><span sty= le=3D"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0= );">I=E2=80=99m doing some investigations preliminary to implementing a room= acoustics auralization system and want to get some input from the community= .<o:p></o:p></span></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.000= 1pt;"><o:p style=3D"-webkit-text-size-adjust: auto; background-color: rgba(2= 55, 255, 255, 0);"> </o:p></p><p class=3D"MsoNormal" style=3D"margin: 0= cm 0cm 0.0001pt;"><span style=3D"-webkit-text-size-adjust: auto; background-= color: rgba(255, 255, 255, 0);">Is there any good literature on the perceptu= al difference between a phantom source (e.g. between a stereo pair) and a re= al source (e.g. center channel)? I am interested in more than just sim= ple localization: width, resolution of multiple phantoms, etc.? Is perceptio= n of a phantom source the same when panned between a triad or a pair of loud= speakers? My basic understanding is that phantom sources are wider or blurri= er than real ones, has this been specifically tested?<o:p></o:p></span></p><= p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><o:p style=3D"-web= kit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);"> = ;</o:p></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><span s= tyle=3D"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255= , 0);">Any opinions or references are welcome.<o:p></o:p></span></p><p class= =3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><o:p style=3D"-webkit-tex= t-size-adjust: auto; background-color: rgba(255, 255, 255, 0);"> </o:p>= </p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><span style=3D= "-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);">= Have a great summer,<o:p></o:p></span></p><p class=3D"MsoNormal" style=3D"ma= rgin: 0cm 0cm 0.0001pt;"><o:p style=3D"-webkit-text-size-adjust: auto; backg= round-color: rgba(255, 255, 255, 0);"> </o:p></p><p class=3D"MsoNormal"= style=3D"margin: 0cm 0cm 0.0001pt;"><span style=3D"-webkit-text-size-adjust= : auto; background-color: rgba(255, 255, 255, 0);"><b>Philip W. Robinson&nbs= p;</b></span></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;">= <b style=3D"-webkit-text-size-adjust: auto; background-color: rgba(255, 255,= 255, 0);">Environmental Design Analyst<o:p></o:p></b></p><p class=3D"MsoNor= mal" style=3D"margin: 0cm 0cm 0.0001pt;"><span style=3D"-webkit-text-size-ad= just: auto; background-color: rgba(255, 255, 255, 0);"><b>Specialist Modelli= ng Group</b><o:p></o:p></span></p><p class=3D"MsoNormal" style=3D"margin: 0c= m 0cm 0.0001pt;"><span style=3D"-webkit-text-size-adjust: auto; background-c= olor: rgba(255, 255, 255, 0);"> <o:p></o:p></span></p><p class=3D"MsoNo= rmal" style=3D"margin: 0cm 0cm 0.0001pt;"><span style=3D"-webkit-text-size-a= djust: auto; background-color: rgba(255, 255, 255, 0);">Foster + Partners<o:= p></o:p></span></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;= "><span style=3D"-webkit-text-size-adjust: auto; background-color: rgba(255,= 255, 255, 0);">Riverside, <a href=3D"x-apple-data-detectors://0/0" x-a= pple-data-detectors=3D"true" x-apple-data-detectors-type=3D"address" x-apple= -data-detectors-result=3D"0/0">22 Hester Road</a><o:p></o:p></span></p><p cl= ass=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><font color=3D"#000000= "><span style=3D"-webkit-text-size-adjust: auto; background-color: rgba(255,= 255, 255, 0);"><a href=3D"x-apple-data-detectors://0/0" x-apple-data-detect= ors=3D"true" x-apple-data-detectors-type=3D"address" x-apple-data-detectors-= result=3D"0/0">London SW11 4AN</a><o:p></o:p></span></font></p><p class=3D"M= soNormal" style=3D"margin: 0cm 0cm 0.0001pt;"><span style=3D"-webkit-text-si= ze-adjust: auto; background-color: rgba(255, 255, 255, 0);">E <a h= ref=3D"mailto:probinson@xxxxxxxx">probinson@xxxxxxxx= om</a><o:p></o:p></span></p><p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0= .0001pt;"><o:p style=3D"-webkit-text-size-adjust: auto; background-color: rg= ba(255, 255, 255, 0);"> </o:p></p></body></html>= --Apple-Mail-7C68629F-808B-49C1-BF98-D0043016CB4B--