Subject: Re: How much is needed for sound identification ? From: Brian Gygi <bgygi@xxxxxxxx> Date: Thu, 13 Sep 2007 12:20:45 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>----=_vm_0011_W8530210911_5801_1189686045 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ballas (1993) measured identification of environmental sounds that were t= runcated to 700 ms. He found they were quite well identified, but he did = not measure the time course - rather he measured reaction time, which var= ied quite a bit. Ballas, J. A. "Common Factors in the Identification of an Assortment of B= rief Everyday Sounds." J. Exp. Psych.: Hum. Percep. & Perf. 19 (1993): 25= 0--26 In my environmental studies I have tried to edit sounds so that they were= the briefest possible duration and still easily identifiable in pilot st= udies. I found quite a range of times needed - some complex events, like = a bowling ball rolling down a lane, or a tree falling, have quite extende= d times courses (> 3 s) needed to provide all the information necessary. There was a study involving time course of identification of environmenta= l scenes that was presented at a conference. I am away from the office un= til next week, but I can provide the link then. Brian Gygi >-----Original Message----- >From: Sylvain Cl=E9ment [mailto:sylvain.clement@xxxxxxxx >Sent: Thursday, September 13, 2007 06:49 AM >To: AUDITORY@xxxxxxxx >Subject: How much is needed for sound identification ? > >Dear List members, > >We are currently running several experiments on environmental sounds >identification vs image identification. > >The literature in hearing seems to be quite poor whereas a lot of work >have been done in the visual domain. > >Does anybody have know studies that tried to measure how long of a sound= >is needed to get the identification of the sound ("it's a bird") or get = >it's super-ordonate category ("it's an animal") ? > > >Thanks in advance for any references. > > >Sylvain Cl=E9ment >Neuropsychology & Auditory Cognition Team >Lille, France > >-- >Sylvain CLEMENT (MCF) >JE Neuropsychologie et Cognition Auditive (JE 2497) >UFR de Psychologie >BP 60149, Universite Ch. de Gaulle Lille 3 >Domaine universitaire "Pont de Bois" >59 653 Villeneuve d'ascq Cedex >FRANCE > >tel : (03 20 41) 64 42 >http://nca.recherche.univ-lille3.fr > ----=_vm_0011_W8530210911_5801_1189686045 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html><br> Ballas (1993) measured identification of environmental sounds that were t= runcated to 700 ms. He found they were quite well identified, but h= e did not measure the time course - rather he measured reaction time, whi= ch varied quite a bit.<br><br><font size=3D"-1"><font size=3D"3"><b>Balla= s</b>, J. A. "Common Factors in the Identification of an Assortment of <b= >Brief</b> Everyday <b>Sounds</b>." <b>J</b>. Exp. Psych.: Hum. Percep. = & Perf. 19 (1993): 250--26<br></font><br></font>In my environmental s= tudies I have tried to edit sounds so that they were the briefest possibl= e duration and still easily identifiable in pilot studies. I found = quite a range of times needed - some complex events, like a bowling ball = rolling down a lane, or a tree falling, have quite extended times courses= (> 3 s) needed to provide all the information necessary.<br><br>There= was a study involving time course of identification of environmental sce= nes that was presented at a conference. I am away from the office u= ntil next week, but I can provide the link then.<br><br>Brian Gygi<br><br= ><br><br> >-----Original Message-----<br> >From: Sylvain Cl=E9ment [mailto:sylvain.clement@xxxxxxxx<br> >Sent: Thursday, September 13, 2007 06:49 AM<br> >To: AUDITORY@xxxxxxxx<br> >Subject: How much is needed for sound identification ?<br> ><br> >Dear List members,<br> ><br> >We are currently running several experiments on environmental sounds = <br> >identification vs image identification.<br> ><br> >The literature in hearing seems to be quite poor whereas a lot of wor= k <br> >have been done in the visual domain.<br> ><br> >Does anybody have know studies that tried to measure how long of a so= und <br> >is needed to get the identification of the sound ("it's a bird") or g= et <br> >it's super-ordonate category ("it's an animal") ?<br> ><br> ><br> >Thanks in advance for any references.<br> ><br> ><br> >Sylvain Cl=E9ment<br> >Neuropsychology & Auditory Cognition Team<br> >Lille, France<br> ><br> >-- <br> >Sylvain CLEMENT (MCF)<br> >JE Neuropsychologie et Cognition Auditive (JE 2497)<br> >UFR de Psychologie<br> >BP 60149, Universite Ch. de Gaulle Lille 3<br> >Domaine universitaire "Pont de Bois"<br> >59 653 Villeneuve d'ascq Cedex<br> >FRANCE<br> ><br> >tel : (03 20 41) 64 42<br> >http://nca.recherche.univ-lille3.fr<br> ></html> ----=_vm_0011_W8530210911_5801_1189686045--