ACOUSTIC MANIFESTATIONS OF MORA TIMING IN JAPANESE
ACOUSTIC MANIFESTATIONS OF MORA TIMING IN JAPANESE
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DOI：
10.1121/1.410376
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发表时间：
1994-07-01
影响因子：
2.4
通讯作者：
HAN, MS
中科院分区：
文献类型：
--
作者：
HAN, MS
本文研究了20个日语最小配对词的音段时长，以确定日语中莫拉时序声学表现的规律。结果表明，音段在莫拉内和莫拉之间不断地拉伸或压缩，提供时间补偿，以达到词级的目标长度。在双音栓前位置，一个音段比单音栓前位置长11%;在词末位置，一个音段在双音栓后比一个音段在单音栓后短9%;在相同的语音定位环境中，[t]根据不同的moraic条件显示不同的持续时间。清音元音后的元音比任何其他固有的长的非Moraic音段都要长得多，并且与Moraic音段和平均莫拉持续时间相当。音节持续时间不等，变化高达50%。词的时长在两个词中比在三个词或四个词中更受组成音的数量和它们的固有时长的影响。当词的持续时间被转换成比率时，它们与莫拉值显著相似。结果表明，时间控制机制调整段，以获得有针对性的词的持续时间。这些现象描述了日语中的莫拉计时。
Segment durations in 20 minimal-paired words in Japanese were examined to identify regular patterns of acoustic manifestations of mora timing in Japanese, The results indicate that segments consistently stretch or compress, providing temporal compensation within a mora and between moras, to attain targeted length at the word level. A segment is 11% longer in the pre-geminate-stop position than in the pre-single-stop position; in the word final position, a segment is 9% shorter following a geminate stop than a segment following a single stop; and [t] in the same phonotactic environment shows varied durations according to different moraic conditions. Fricatives followed by a devoiced vowel are considerably longer than any other inherently long, nonmoraic segments, and are comparable to moraic segments and the average mora duration. Syllable durations are not isochronous, varying by as much as 50%. The word duration is affected more by the number of component sounds and their inherent durations in two-mora than in three-or four-mora words. When the word durations are converted into ratios, they are markedly similar to the mora values. The results suggest a timing control mechanism adjusting segments to obtain targeted word durations. These phenomena describe mora timing in Japanese.