| Number | 301 |
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| Year | 1980 |
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| Drawer | 6 |
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| Entry Date | 06/10/1999 |
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| Authors | Remez, R. E., Cutting, J. E., & Studdert-Kennedy, M. |
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| Publication | Perception & Psychophysics, 27, 524-530. |
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| Abstract | The acoustic-auditory feature "risetime" has been claimed to underlie both the phonetic affricate^fricative distinction and the nonphonetic plucked-string/bowed-string distinction. The perceptual adaptation technique was used in the present study with 8 undergraduates to determine whether the risetime differences of the affricate^fricative distinction would therefore be registered by the same mechanism that mediates risetime differences for the plucked)owed distinction. Two continua were used, one of digitally modified natural speech and one of synthetic violin sounds, in which the risetime was varied across each set of tokens from 0 to 80 msec in steps of 10 msec. The speech was sung and the violin notes were synthesized with the same fundamental frequency, 294 Hz. Adaptation of the category boundaries was observed only when speech adaptors were tested with the speech continuum and when violin adaptors were tested with the violin continuum.
When cross-series tests were performed, no effect of adaptation was observed. Thus speech and violin sounds, despite obvious acoustic similarities, do not share the same feature detectors. |
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