Abstract
This research explores listeners perception of non-speech stimuli across languages. We will report on two experiments conducted with the same stimuli. The stimuli were synthesized from naturally produced vowel-fricative-vowel sequences consisting the fricatives [f, th, s, sh, x, h], and the vowel environments [i—i, a—a, u—u]. The vowels were synthesized using sine wave synthesis and appended onto the natural fricative. Tokens will be presented to two groups of Dutch and English listeners over headphones with a 100 ms interval. Listeners will be told that the stimuli is non-speech. The first experiment is a simple AX discrimination task where the listener decides whether the tokens were same or different. The second experiment is a rating task where the listener is asked to rate the similarity of the two tokens on a five-point equal interval scale. It is predicted that results of both experiments will be the same for both groups of listeners. These results will be compared to the results of the same experiment with non-synthesized speech [K. Johnson and M. Babel, J. Acoust. Soc. Am. 120, 3292 (2006)]. [Work supported by the NIH.]
Published Version
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