Pitch accent type matters for online processing of information status: Evidence from natural and synthetic speech
Pitch accent type matters for online processing of information status: Evidence from natural and synthetic speech
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DOI：
10.1515/tlr.2007.012
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发表时间：
2007-01-01
影响因子：
0.5
通讯作者：
De Ruiter, Jan Peter
中科院分区：
文献类型：
--
作者：
Chen, Aoju;Den Os, Els;De Ruiter, Jan Peter
采用眼动实验范式，研究了自然语音条件下英国英语语调短语词尾的H*L、L*HL、L*H、H*LH和去重音在信息状态在线加工中的作用。H*L，L*H和去重音的作用也在双音合成语音中进行了研究。结果发现，H*L和L*HL产生了强烈的偏向于新颖性，而L*H，像去加重一样，产生了强烈的偏向于给定性。在合成语音中，H*L，L*H和去重音也有同样的效果，但延迟了。延迟可能不完全由合成语音和自然语音之间的分段质量的差异引起。然而，音高重音H*LH似乎会使被试对目标词的理解产生偏差，而与目标词的信息状态无关。这一发现被解释的持续时间的信息在段水平上的单词识别的效果。
Adopting an eyetracking paradigm, we investigated the role of H*L, L*HL, L*H, H*LH, and deaccentuation at the intonational phrase-final position in online processing of information status in British English in natural speech. The role of H*L, L*H and deaccentuation was also examined in diphone-synthetic speech. It was found that H*L and L*HL create a strong bias towards newness, whereas L*H, like deaccentuation, creates a strong bias towards givenness. In synthetic speech, the same effect was found for H*L, L*H and deaccentuation, but it was delayed. The delay may not be caused entirely by the difference in the segmental quality between synthetic and natural speech. The pitch accent H*LH, however appears to bias participants' interpretation to the target word, independent of its information status. This finding was explained in the light of the effect of durational information at the segmental level on word recognition.