Subject: Re: MH Acoustics: Eigenmike From: Ramani Duraiswami <ramani@xxxxxxxx> Date: Fri, 13 Jul 2007 11:19:45 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>This is a multi-part message in MIME format. ------_=_NextPart_001_01C7C561.3D89D14A Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Tony, =20 While we have not used the eigenmike(TM), we have developed spherical and hemispherical mikes on our own over the last several years. This is an exciting area of research and we think their use will continue to grow.=20 =20 Our recent work has been to use them as "acoustical video cameras" --- essentially capturing the distribution of sound energy arriving from various directions at different frequencies, and displaying these as live images. =20 =20 =20 Our group has several publications related to them (most are downloadable here <http://www.umiacs.umd.edu/~ramani/rdpubs.html> ). In particular Zhiyun Li did a Ph.D. thesis on these which may be accessed at https://drum.umd.edu/dspace/bitstream/1903/2840/1/umi-umd-2837.pdf =20 Ramani=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=3D= =3D=3D=3D Ramani Duraiswami, Ph.D Associate Professor Computer Science and UMIACS University of Maryland, College Park ramani@xxxxxxxx http://www.umiacs.umd.edu/~ramani ________________________________ From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx On Behalf Of Tony Miller Sent: Thursday, July 12, 2007 1:43 PM To: AUDITORY@xxxxxxxx Subject: MH Acoustics: Eigenmike Listmembers- I am curious to know if anyone in the binaural hearing research community has ever used the MH Acoustics Eigenmike for an experiment. It seems like it would be infinitely useful for recreating accurate 3D sound fields, yet I have never seen a publication referencing it's use. Am I not looking in the right place, or has it simply not been adopted as a standard tool yet?=20 http://www.mhacoustics.com/page/page/2949006.htm Any insight is appreciated. Thanks. -Tony --=20 Tony Miller Motorola APTC Acoustic Technology Center=20 8000 West Sunrise Blvd, Mail Stop 22-7-F Plantation, FL 33322-4104 Cell: (954) 605-7982 | Desk: (954) 723-3989=20 ------_=_NextPart_001_01C7C561.3D89D14A Content-Type: text/html; charset="us-ascii" 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=3Dus-ascii"> <META content=3D"MSHTML 6.00.6000.16481" name=3DGENERATOR></HEAD> <BODY> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2>Tony,</FONT></SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2></FONT></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2>While we have not used the eigenmike(TM), we = have developed=20 spherical and hemispherical mikes on our own over the last several = years. This=20 is an exciting area of research and we think their use will continue to = grow.=20 </FONT></SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2></FONT></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2>Our recent work has been to use them as = "acoustical video=20 cameras" --- essentially capturing the distribution of sound energy = arriving=20 from various directions at different frequencies, and displaying = these as=20 live images.</FONT></SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2></FONT></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2></FONT></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2></FONT></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2>Our group has several = publications related to=20 them (most are downloadable <A=20 href=3D"http://www.umiacs.umd.edu/~ramani/rdpubs.html">here</A>).</FONT><= /SPAN></DIV></FONT></SPAN>In=20 particular Zhiyun Li did a Ph.D. thesis on these which may be = accessed=20 at</FONT></SPAN></DIV></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2><A=20 href=3D"https://drum.umd.edu/dspace/bitstream/1903/2840/1/umi-umd-2837.pd= f">https://drum.umd.edu/dspace/bitstream/1903/2840/1/umi-umd-2837.pdf</A>= </FONT></SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><FONT = face=3DArial=20 color=3D#0000ff size=3D2><SPAN = class=3D084560815-13072007></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007>Ramani = </SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN = class=3D084560815-13072007></SPAN> </DIV> <DIV dir=3Dltr align=3Dleft><SPAN=20 class=3D084560815-13072007>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007>Ramani = Duraiswami,=20 Ph.D</SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007>Associate=20 Professor</SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007>Computer = Science and=20 UMIACS</SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007>University = of Maryland,=20 College Park</SPAN></DIV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><A=20 href=3D"mailto:ramani@xxxxxxxx">ramani@xxxxxxxx</A></SPAN></D= IV> <DIV dir=3Dltr align=3Dleft><SPAN class=3D084560815-13072007><A=20 href=3D"http://www.umiacs.umd.edu/~ramani">http://www.umiacs.umd.edu/~ram= ani</A></SPAN></DIV></FONT></SPAN><BR> <DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft> <HR tabIndex=3D-1> <FONT face=3DTahoma size=3D2><B>From:</B> AUDITORY - Research in = Auditory Perception=20 [mailto:AUDITORY@xxxxxxxx <B>On Behalf Of </B>Tony=20 Miller<BR><B>Sent:</B> Thursday, July 12, 2007 1:43 PM<BR><B>To:</B>=20 AUDITORY@xxxxxxxx<BR><B>Subject:</B> MH Acoustics:=20 Eigenmike<BR></FONT><BR></DIV> <DIV></DIV>Listmembers-<BR><BR>I am curious to know if anyone in the = binaural=20 hearing research community has ever used the MH Acoustics Eigenmike for = an=20 experiment. It seems like it would be infinitely useful for = recreating=20 accurate 3D sound fields, yet I have never seen a publication = referencing it's=20 use. Am I not looking in the right place, or has it simply not = been=20 adopted as a standard tool yet? <BR><BR><A=20 href=3D"http://www.mhacoustics.com/page/page/2949006.htm">http://www.mhac= oustics.com/page/page/2949006.htm</A><BR><BR>Any=20 insight is appreciated.<BR><BR>Thanks.<BR>-Tony<BR clear=3Dall><BR>-- = <BR>Tony=20 Miller<BR>Motorola APTC Acoustic Technology Center <BR>8000 West Sunrise = Blvd,=20 Mail Stop 22-7-F<BR>Plantation, FL 33322-4104<BR>Cell: (954) 605-7982 | = Desk:=20 (954) 723-3989 </BODY></HTML> ------_=_NextPart_001_01C7C561.3D89D14A--