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Intonation and Prosodic Structure

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Academic Paper


Title: Acoustic Covariants of Length Contrast in Japanese Stops
Author: Kaori Idemaru
Institution: Carnegie Mellon University
Author: Susan G Guion
Email: click here TO access email
Homepage: http://darkwing.uoregon.edu/~guion/guion.htm
Institution: University of Oregon
Linguistic Field: Phonetics
Subject Language: Japanese
Abstract: This study explores acoustic correlates to the singleton vs. geminate stop length contrast in Japanese. The proposal examined is that multiple acoustic features covary with the stop length distinction and that these features are available in the signal as potential secondary cues. The results support the proposal, revealing the presence of several acoustic features covarying with the singleton vs. geminate contrast in both durational and non-durational domains. Specifically, the preceding vowel is longer, the following vowel is shorter, there are greater fundamental frequency and intensity changes from the preceding to the following vowel, and there is evidence of more creakiness in voice quality for geminate than singleton consonants. It is also demonstrated that the vowel durations, as well as fundamental frequency and intensity changes have fairly strong categorization power.

CUP AT LINGUIST

This article appears IN Journal of the International Phonetic Association Vol. 38, Issue 2.

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