Year: 1992
Type: conference-abstract
Abstract: Uchanski etal. [J. Acoust. Soc. Am. 90, 2254 (A) (1991)] reported significant sensitivity differences between discrimination experiments in which each vowel was represented by only four tokens (utterances) and experiments in which the same four tokens were embedded in a larger set of 16 tokens. In present experiments, the set size was fixed at 8 but the specific tokens representing one vowel were changed while those representing the other vowel were fixed. Listeners attempted to discriminate between the vowels /ae/ and /ah/ occurring in distorted [M. R. Schroeder, J. Acoust. Soc. Am. 44, 1735–1736 (1968)] /h/–V–/d/ syllables. Sensitivity was found to be more highly correlated (ρ≊0.8) across conditions for a given subject than across subjects for a given condition (ρ≊0.5). This suggests that each subject weighted the available discrimination cues in a fairly stable fashion across conditions, but that the weights varied from subject to subject. Multiple regression analyses indicate that sensitivity can be accounted for by a small set of physical parameters of the undistorted syllables: F2, F0, and syllable duration.
DOI: 10.1121/1.404678
Authors: D. E. Ronan, R. M. Uchanski, L. D. Braida
Institution: Massachusetts Institute of Technology
Language: English
Subfield: Experimental and Cognitive Psychology
Field: Psychology
Domain: Social Sciences
Open Access status: bronze
OpenAlex ID: W1983388806