Re: [AUDITORY] Research in Auditory Processing (=?utf-8?Q?Juli=C3=A1n_Villegas?= )


Subject: Re: [AUDITORY] Research in Auditory Processing
From:    =?utf-8?Q?Juli=C3=A1n_Villegas?=  <villegas.julian@xxxxxxxx>
Date:    Thu, 14 Mar 2019 10:59:07 -0500
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

Dear all, Sorry for being a bit late in this discussion. But, I wanted to share my = thoughts: In studies such as (Cabrera & Tilley, 2003; Pratt, 1930; Roffler & = Butler, 1968a, 1968b), subjects were asked to indicate their opinions by = choosing from a single scale presented in front of them. This setup = could predispose them into associating any changes in the stimuli with = changes in the provided vertical scale. I found in [1,2] that listeners associate Risset tones more often to = sources moving in the horizontal plane than the vertical one. Upward = glissandi is more often associated with approaching sources and downward = glissandi to receding. It seems that at least for Risset tones, Doppler = Illusion is stronger than the Pratt effect. These are the references: Cabrera, D., & Tilley, S. (2003). Vertical localization and image size = effects in loudspeaker reproduc- tion. In Proceedings of the 24th = International Conference on Audio Engineering Society. Audio Engineering = Society Pratt, C. C. (1930). The spatial character of high and low tones. = Journal of Experimental Psychology, 13, 278=E2=80=93285. Roffler, S. K., & Butler, R. A. (1968a). Factors that influence the = localization of sound in the vertical plane. Journal of Acoustical = Society of America, 43, 1255=E2=80=931259. Roffler, S. K., & Butler, R. A. (1968b). Localization of tonal stimuli = in the vertical plane. Journal of Acoustical Society of America, 43, 1260=E2=80=931266. [1] J. Villegas, =E2=80=9CAssociation of frequency changes with = perceived horizontal and vertical movement,=E2=80=9D Acoust. Sci. & = Tech., Oct. 2018. (submitted). [2] J. Villegas and N. Fukasawa, =E2=80=9CDoppler illusion prevails over = Pratt effect in Risset tones,=E2=80=9D Perception, vol. 47, no. 12, pp. = 1179=E2=80=931195, 2018. DOI: 10.1177/0301006618807338. Cheers, Julian.


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