Perception of Japanese Pitch Accent without F0

Perception of Japanese Pitch Accent without F0
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没有 F0 的日语音高重音的感知

DOI:
10.1159/000453069
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发表时间:
2017
期刊:
影响因子:
0.9
通讯作者:
Yukiko Sugiyama
Yukiko Sugiyama
中科院分区:
人文科学4区
文献类型:
--
作者:
野元裕樹;アズヌール・アイシャ・アブドゥッラー;Yukiko Sugiyama

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语音对比通常用多个声学相关物编码,以确保有效的交流。研究表明,这种语音冗余不仅存在于音段对比中,也存在于超音段对比中,如声调。在日语中,基频(F0)是音高重音的主要线索。然而,很少有人知道它的次要线索。本研究采用知觉实验的方法考察了日语口音是否存在次级线索。首先,使用数据库识别最小对的最后重音和非重音单词,从而产生14对单词。然后,这些单词由一位东京日语母语者制作,并以未经编辑和编辑的形式呈现给参与者。通过用白色噪声替换自然语音刺激中的F0来创建编辑的语音刺激。虽然东京日语使用者的单词识别对自然语音的准确性高于编辑语音,但准确性超过了编辑语音的机会水平,这表明存在日语口音的次要线索。声学分析的刺激显示,相对平均振幅和相对最大振幅的最后重音的话比非重音的话。
Phonological contrasts are typically encoded with multiple acoustic correlates to ensure efficient communication. Studies have shown that such phonetic redundancy is found not only in segmental contrasts, but also in suprasegmental contrasts such as tone. In Japanese, fundamental frequency (F0) is the primary cue for pitch accent. However, little is known about its secondary cues. In the present study, a perception experiment was conducted to examine whether any secondary cues exist for Japanese accent. First, minimal pairs of final-accented and unaccented words were identified using a database, resulting in 14 pairs of words. These words were then produced by a native Tokyo Japanese speaker, and presented to participants in both unedited and edited forms. Edited speech stimuli were created by replacing F0 in the natural speech stimuli with white noise. While word identification by Tokyo Japanese speakers had higher accuracy for natural speech than for edited speech, the accuracy exceeded the chance level for edited speech, suggesting the existence of secondary cues for Japanese accent. Acoustic analysis of the stimuli revealed that relative mean amplitude and relative maximum amplitude were greater for final-accented words than for unaccented words.
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