Re: AUDITORY Digest - 9 Oct 2005 to 10 Oct 2005 (#2005-208) ("Rain, Li Yujia" )


Subject: Re: AUDITORY Digest - 9 Oct 2005 to 10 Oct 2005 (#2005-208)
From:    "Rain, Li Yujia"  <yjli(at)EE.CUHK.EDU.HK>
Date:    Tue, 11 Oct 2005 14:48:03 +0800

Dear List, I just start a research on perception of speech prosody. At present, the focus is duration perception. Anybody could recommend me some references about this topic, in the field of psychoacoustic, music perception or any other relevant field? Thanks a lot. Best regards, Rain, Li Yujia ------------------------------------------ Digital Signal Processing and Speech Technology Lab. Electronic Engineering Dept. The Chinese Univ. of Hong Kong ----- Original Message ----- From: "AUDITORY automatic digest system" <LISTSERV(at)LISTS.MCGILL.CA> To: <AUDITORY(at)LISTS.MCGILL.CA> Sent: Tuesday, October 11, 2005 12:07 PM Subject: AUDITORY Digest - 9 Oct 2005 to 10 Oct 2005 (#2005-208) > There are 3 messages totalling 184 lines in this issue. > > Topics of the day: > > 1. Integration of ITD information (3) > > ---------------------------------------------------------------------- > > Date: Mon, 10 Oct 2005 19:22:59 +0200 > From: Bernhard Laback <Bernhard.Laback(at)OEAW.AC.AT> > Subject: Integration of ITD information > > Dear list, > > Is there any evidence for integration of interaural time difference > (ITD) information across frequency channels in ITD detection / > discrimination tasks? More specifically, are ITD JNDs lower for a > broadband stimulus compared to any narrowband stimulus within the > spectral range covered by the broadband stimulus? > > Of course, I assume that the overall intensity is held constant. > > I would appreciate any hint, > > With best regards, > > Bernhard Laback > > -- > *************************** > Bernhard Laback, Ph.D. > Acoustics Research Institute > Austrian Academy of Sciences > Reichsratsstrasse 17 > A-1010 Wien > Austria > Tel.: 0043-1-4277-29514 > Fax.: 0043-1-4277-9295 > http://www.kfs.oeaw.ac.at/ > *************************** > > ------------------------------ > > Date: Mon, 10 Oct 2005 19:03:19 +0100 > From: Jan Schnupp <jan.schnupp(at)PHYSIOL.OX.AC.UK> > Subject: Re: Integration of ITD information > > I must admit that I don't know the psychophysics literature on that, but > from the Physiology point-of-view I would be surprised if there was much > across-frequency-band integration in ITD processing. The reason for this > is that ITDs must be inferred from inter-aural-phase differences as they > are encoded in spike intervals in the auditory nerve, and these are > different in different frequency bands and depend on the cochlear > filtering as much as on the stimulus. Imagine you play a loud click into > the ears. The 100 Hz place of the cochleas might ring in response to > that stimulus at 100Hz, producing short trains of action potentials at > 10 ms intervals, while the 250 Hz location might ring at 250 Hz, > producing 4 ms spike interval trains. Except for the first spike, these > spike trains won't "line up", and comparing the 250 Hz band in the left > ear with the 100 Hz band in the right ear cannot give you an unambiguous > answer about the ITD. That's at least how I think about these things > when I ask myself why the medial superior olive, where ITD extraction is > thought to take place, is said to exhibit a very tight tonotopic > organisation. If there was much to be gained by cross-frequency channel > integration, one might expect the MSO not to exhibit such clearly > defined and separated frequency channels. (However, I might be wrong > about all this, so if some other list members do quote some good > psychophysical evidence for cross-frequency integration, then listen to > them and not to me!) > > Regards, > > Jan > > > > Bernhard Laback wrote: > >> Dear list, >> >> Is there any evidence for integration of interaural time difference >> (ITD) information across frequency channels in ITD detection / >> discrimination tasks? More specifically, are ITD JNDs lower for a >> broadband stimulus compared to any narrowband stimulus within the >> spectral range covered by the broadband stimulus? >> >> Of course, I assume that the overall intensity is held constant. >> >> I would appreciate any hint, >> >> With best regards, >> >> Bernhard Laback >> > > -- > Dr Jan Schnupp > University Laboratory of Physiology > Parks Road - Oxford OX1 3PT > Tel +44-1865-272513 > email: jan(at)physiol.ox.ac.uk > http://www.physiol.ox.ac.uk/~jan/ > > ------------------------------ > > Date: Tue, 11 Oct 2005 03:38:14 +0100 > From: David Magezi <David.Magezi(at)IHR.MRC.AC.UK> > Subject: Re: Integration of ITD information > > Bernhard Laback wrote: >> Dear list, >> >> Is there any evidence for integration of interaural time difference >> (ITD) information across frequency channels in ITD detection / >> discrimination tasks? More specifically, are ITD JNDs lower for a >> broadband stimulus compared to any narrowband stimulus within the >> spectral range covered by the broadband stimulus? >> >> Of course, I assume that the overall intensity is held constant. >> >> I would appreciate any hint, >> >> With best regards, >> >> Bernhard Laback >> > > > That is an interesting question. I would recommend the following > papers; Anyone know of any other relevant ones? > > Title: Effects of interaural frequency difference on binaural fusion > evidenced by electrophysiological versus psychoacoustical measures > Author(s): Zhou JX, Durrant JD > Source: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 114 (3): 1508-1515 > SEP 2003 > > Title: THE COMBINATION OF INTERAURAL INFORMATION ACROSS FREQUENCIES - > LATERALIZATION ON THE BASIS OF INTERAURAL DELAY > Author(s): DYE RH > Source: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 88 (5): 2159-2170 > NOV 1990 > > Sens Processes. 1976 Dec;1(2):109-26. > Critical band in auditory lateralization. > Scharf B, Florentine M, Meiselman CH. > > > > -- > ***************************************** > > David A Magezi BA BM BChir > PhD Student > > MRC Institute of Hearing Research > University Park > Nottingham University > Nottingham > NG7 2RD > United Kingdom > > T: +44 (0)115 951 8508 ext. 203 > F: +44 (0)115 951 8503 > E: david.magezi(at)ihr.mrc.ac.uk > > ***************************************** > > > "I pay no attention whatever to anybody's praise or blame. I simply > follow my own feelings." > Wolfgang Amadeus Mozart (1756 - 1791) > > > > > This message has been checked for viruses but the contents of an > attachment > may still contain software viruses, which could damage your computer > system: > you are advised to perform your own checks. Email communications with the > University of Nottingham may be monitored as permitted by UK legislation. > > ------------------------------ > > End of AUDITORY Digest - 9 Oct 2005 to 10 Oct 2005 (#2005-208) > ************************************************************** >


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