Effects of intra-phrase position on acceptability of changes in segmental duration in sentence speech

摘要

Perceptual evaluation experiments were carried out on the acceptability of segmental duration change in a sentence. Statistical analyses showed that acceptability degradation due to duration changes was greater at the initial and medial positions than at the final position in a phrase. Further perceptual experiments were carried out to test whether the effect of within-phrase position was affected by the contextual variation of the phrase in question. The results showed that similar effect of within-phrase position was observed almost independently either of the variation of carrier sentences (including that of with and without carrier sentence) or the phrase position in a breath group (initial or medial).