Subject: Re: How to create apparent continuity of a tone without From: Wolfgang Dreier <wolfgang.dreier(at)SBG.AT> Date: Tue, 10 May 2005 21:53:47 +0200> Hello Annekathrin, > > there exist several definitions of the auditory continuity illusion, which > of course differ from each other (Bregman 1990, Reuter 1996/98, Warren 1999, > etc.) - nevertheless, they all stress the point that the masker's intensity > should be sufficient to produce illusory continuity ("sufficiency of > evidence rule", Bregman 2001: 352ff; 663). Terhardt (1998: 412) defines the > widest possible gap as 150ms (maybe 'cause of the average post-masking > period - Zwicker/Fastl:Psychoacoustics 1999: 77f. - but I don't know, he > doesn't provide more information). > These are at least all parameters concerning loudness, I'm aware of (of > course, they all seem to depend much on the single experimental design). > > [Bregman, Albert S.: Auditory Scene Analysis. The Perceptual Organization of > Sound, 4th printing, Cambridge 2001 (1st ed. 1990). > Terhardt, Ernst: Akustische Kommunikation. Grundlagen mit Hörbeispielen, > Heidelberg 1998.] > > > > All the best, > > Wolfgang > > > > ----- Original Message ----- > From: "Annekathrin Weise" <Annekathrin_Weise(at)GMX.DE> > To: <AUDITORY(at)LISTS.MCGILL.CA> > Sent: Tuesday, May 10, 2005 5:29 PM > Subject: How to create apparent continuity of a tone without increasing the > loudness of the white noise about 20 times as that of the tone? > > > > Dear list, > > > > I would like to create the auditory illusion "apparent continuity". The > > structure of my tone is: 350ms tone (A) - 25 ms burst of a white noise > (B) - > > 275 ms tone (A). A is a 440 Hz pure ton. > > > > Does anybody know if there is a possibility to create an apparent > continuity > > of the tone A without increasing the overall amplitude of the white noise > > about 20 times as that of the tone? Or is it a strict condition to enhance > > the loudness to create such an auditoy illusion effect? Or is it a strict > > condition to enhance the loudness if you want creat such an auditory > > illusion effect? > > > > > > Best, Annekathrin Weise. > > > > -- > > +++ Lassen Sie Ihren Gedanken freien Lauf... z.B. per FreeSMS +++ > > GMX bietet bis zu 100 FreeSMS/Monat: http://www.gmx.net/de/go/mail > > >