Re: Speech intelligibility and spatial information (Al Bregman )


Subject: Re: Speech intelligibility and spatial information
From:    Al Bregman  <al.bregman(at)MCGILL.CA>
Date:    Fri, 14 Sep 2001 16:29:09 -0400

Dear David, That's my impression too. It seems that I can focus on sounds more precisely with my eyes open. Al ----- Original Message ----- From: David Landsberger <David_Landsberger(at)brown.edu> To: Al Bregman <al.bregman(at)MCGILL.CA> Sent: 14-Sep-01 3:58 PM Subject: Re: Speech intelligibility and spatial information > I have no idea if there is data to this effect. If there is, I'd like to > hear about it. Anecdotally, I would assume that intelligibility would > increase only because the spatial information would help the viewer attend > to the signal. For example I know when I'm listening carefully to my > stereo, I look directly at the speakers. I always know the spatial location > of the sound, even if I am not looking at the speakers. Furthermore, > looking at the speakers provides me no additional information. Yet > somehow, looking at the speakers helps me attend to the stimulus. > > Forgive me if this is totally irrelevant, but it was my first reaction to > seeing your question. > > David > > At 01:28 PM 9/14/2001 -0400, you wrote: > >Dear list, > > > >Does anybody know the answer to this? > > > >Suppose a person (P) is talking in a background of other speech > >sounds. Does anybody know of data that tell whether the > >intelligibility of P's speech increases when the listener is > >presented with visual information which gives the exact location > >of P in space? There is a computer model by Nakagawa, Okuno, and > >Kitano (AAAI-99) that makes this assumption, but are there any > >data on human listeners? I am asking only about spatial > >information supplied by vision, not spatial information derived > >by the auditory system from the signal itself. > > > >Al > >------------------------------------------------- > >Albert S. Bregman, Emeritus Professor > >Dept of Psychology, McGill University > >1205 Docteur Penfield Avenue > >Montreal, QC, Canada H3A 1B1 > > > >Office: > > Phone: +1 (514) 398-6103 > > Fax: +1 (514) 398-4896 > >Home phone & Fax: +1 (514) 484-2592 > >Email: al.bregman(at)mcgill.ca > >------------------------------------------------- > > > ----- > David Landsberger, Ph.D. > Department of Psychology > Brown University > Providence, RI 02912 > >


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