Abstract
This study investigates the role linguistic experience has on the perception of phonation and the acoustic properties that correlate with this perception. Listeners from three languages (Gujarati, which contrasts breathy versus modal vowels, Italian, which has no breathiness, and English, which has allophonic breathiness) participated in two tasks. In the Visual Sort task, breathy and modal vowels from a variety of languages (e.g., Chong, Mon, etc.) were presented as icons on a computer screen. Subjects sorted the icons (the stimuli) into two groups based on perceived similarity of the talker’s voices. In the multidimensional scaling task, listeners heard pairs of Mazatec vowels, and moved an on-screen slider to indicate the perceived similarity of the vowels in each pair. Results will show that judgments were more uniform across subjects who had breathy categories present in their native language(s), and varied across subjects who lack a breathy category. The perceived similarity among the stimuli will correlate with a measurable acoustic property (H1-H2, H1-H2, H1-A3, H1-A1 or H1-A2, the average of H1-H2 compared to A1, and A2-A3). It is hypothesized that H1-H2 will be the most salient acoustic property for Gujarati listeners because this correlates with their production of breathy vowels.
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