Subject: Re: Monaural/Binaural P/I functions From: "C.M. Rankovic" <rankovic(at)ARTICULATION.COM> Date: Wed, 12 Nov 2003 08:28:48 -0500This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C3A8F6.FF0402E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ben: You might find the following paper interesting, although it does not = answer your question fully. It is on the CD "Study of Speech and = Hearing at Bell Telephone Laboratories: The Fletcher Years" available = from the Acoustical Society of America:=20 8/15/1932, Hammer, K.E., : "Binaural Circuit Articulation Tests (Second = copy)", (30 pages)=20 Christine Rankovic, PhD Articulation Incorporated 36 Hampshire Street, 2nd Floor Cambridge, MA 02139 617-354-8335 rankovic(at)articulation.com AI =3D V x E x F x H ----- Original Message -----=20 From: Ben Hornsby=20 To: AUDITORY(at)LISTS.MCGILL.CA=20 Sent: Tuesday, November 11, 2003 2:46 PM Subject: Monaural/Binaural P/I functions Hello all, I'm trying to find data showing speech recognition performance as a = function of SNR obtained both monaurally and binaurally (preferably in = the free field). My assumption is that the Performance Intensity (or = performances vs SNR) function will be a bit steeper (as well as offset) = for the binaural condition compared to the monaural condition. I'm = looking for data to confirm or reject this assumption. Any reference suggestions? Thanks, Ben Benjamin W.Y. Hornsby, Ph.D. Research Assistant Professor Vanderbilt Bill Wilkerson Center 1114 19th Avenue South Nashville, TN 37212 Phone: 615-936-5132 e-mail: ben.hornsby(at)vanderbilt.edu ------=_NextPart_000_0008_01C3A8F6.FF0402E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 5.50.4134.600" name=3DGENERATOR> <STYLE>(at)page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in = 1.25in; } P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman" } A:link { COLOR: blue; TEXT-DECORATION: underline } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline } A:visited { COLOR: purple; TEXT-DECORATION: underline } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline } SPAN.EmailStyle17 { COLOR: windowtext; FONT-FAMILY: Arial } DIV.Section1 { page: Section1 } </STYLE> </HEAD> <BODY lang=3DEN-US vLink=3Dpurple link=3Dblue bgColor=3D#ffffff> <DIV><FONT size=3D2>Ben:</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>You might find the following paper interesting,=20 although it does not answer your question fully. It is = on=20 the CD "Study of Speech and Hearing at Bell Telephone=20 Laboratories: The Fletcher Years" available from the Acoustical = Society of=20 America: </FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2><FONT size=3D3>8/15/1932, Hammer, K.E., : </FONT><A=20 href=3D"file:///F:/SpeechHearing/320311l/003/0010.djvu"><FONT = size=3D3>"Binaural=20 Circuit Articulation Tests (Second copy)"</FONT></A></FONT><FONT = size=3D3>, (30=20 pages) </FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Christine Rankovic, PhD<BR>Articulation = Incorporated<BR>36=20 Hampshire Street, 2nd Floor<BR>Cambridge, MA =20 02139<BR>617-354-8335</FONT></DIV> <DIV><FONT size=3D2><A=20 href=3D"mailto:rankovic(at)articulation.com">rankovic(at)articulation.com</A></= FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>AI =3D V x E x F x H</FONT></DIV> <DIV> </DIV> <BLOCKQUOTE dir=3Dltr=20 style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A title=3Dben.hornsby(at)VANDERBILT.EDU=20 href=3D"mailto:ben.hornsby(at)VANDERBILT.EDU">Ben Hornsby</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = title=3DAUDITORY(at)LISTS.MCGILL.CA=20 href=3D"mailto:AUDITORY(at)LISTS.MCGILL.CA">AUDITORY(at)LISTS.MCGILL.CA</A> = </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, November 11, = 2003 2:46=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Monaural/Binaural P/I=20 functions</DIV> <DIV><BR></DIV> <DIV class=3DSection1> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hello = all,</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">I’m trying to find = data showing=20 speech recognition performance as a function of SNR obtained both = monaurally=20 and binaurally (preferably in the free field). My assumption is that = the=20 Performance Intensity (or performances vs SNR) function will be a bit = steeper=20 (as well as offset) for the binaural condition compared to the = monaural=20 condition. I’m looking for data to confirm or reject this=20 assumption.</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Any reference=20 suggestions?</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: = Arial">Thanks,</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Ben</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20 style=3D"FONT-SIZE: 12pt"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Benjamin W.Y. Hornsby,=20 Ph.D.</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Research Assistant=20 Professor</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Vanderbilt Bill = Wilkerson=20 Center</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">1114 19th Avenue=20 South</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Nashville, TN=20 37212</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20 style=3D"FONT-SIZE: 12pt"></SPAN></FONT> </P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Phone:=20 615-936-5132</SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20 style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">e-mail: <A=20 = href=3D"mailto:ben.hornsby(at)vanderbilt.edu">ben.hornsby(at)vanderbilt.edu</A>= </SPAN></FONT></P> <P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20 style=3D"FONT-SIZE: = 12pt"></SPAN></FONT> </P></DIV></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_0008_01C3A8F6.FF0402E0--