正常和大声讲话中的元音共振峰,Journal of Speech, Language, and Hearing Research

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正常和大声讲话中的元音共振峰
Journal of Speech, Language, and Hearing Research ( IF 2.2 ) Pub Date : 2019-05-14 , DOI: 10.1044/2018_jslhr-s-18-0043
Laura L Koenig _{1,

2,

3} , Susanne Fuchs ₃

Affiliation

目的本研究评估了多个说话任务中正常语音和响亮语音之间第一和第二元音共振峰频率（F1、F2）的差异，以评估响度导致元音发音夸张的说法。方法11 名健康的德语女性在 3 项自发程度不同的任务中发出了正常且响亮的语音：阅读包含孤立 /i: a: u:/ 的句子，回答包含受控辅音上下文但元音不同的目标词的问题品质和食谱回忆任务。通过改变对话者距离自然地引起响度变化。根据目标词中的重读元音获得第一和第二共振峰频率和平均声压级，并根据/i:a:u:/计算元音空间面积。结果对许多元音的比较表明，高时态元音作为响度的函数表现出有限的共振峰变化。对跨语音任务的 /i: a: u:/ 的分析显示，与其他 2 个任务相比，菜谱复述任务中的元音空间减少。F1 的响度变化方向一致，但程度不同，对于高时元音几乎没有显着的结果。F2 的结果差异很大，而且通常不显着。扬声器在响度和任务对共振峰值的影响方面存在差异。最后，声压级和 F1 之间的相关性通常为正相关，但元音之间的大小有所不同，高紧张元音显示出非常平坦的斜率。讨论这些数据表明，在典型说话者中自然引发的响亮语音并不总是会导致元音共振峰频率的变化，并对增加响度必然是扩展元音空间的自动方法的概念提出质疑。补充材料

https://doi.org/10.23641/asha.8061740

"点击查看英文标题和摘要"

Vowel Formants in Normal and Loud Speech

Purpose This study evaluated how 1st and 2nd vowel formant frequencies (F1, F2) differ between normal and loud speech in multiple speaking tasks to assess claims that loudness leads to exaggerated vowel articulation. Method Eleven healthy German-speaking women produced normal and loud speech in 3 tasks that varied in the degree of spontaneity: reading sentences that contained isolated /i: a: u:/, responding to questions that included target words with controlled consonantal contexts but varying vowel qualities, and a recipe recall task. Loudness variation was elicited naturalistically by changing interlocutor distance. First and 2nd formant frequencies and average sound pressure level were obtained from the stressed vowels in the target words, and vowel space area was calculated from /i: a: u:/. Results Comparisons across many vowels indicated that high, tense vowels showed limited formant variation as a function of loudness. Analysis of /i: a: u:/ across speech tasks revealed vowel space reduction in the recipe retell task compared to the other 2. Loudness changes for F1 were consistent in direction but variable in extent, with few significant results for high tense vowels. Results for F2 were quite varied and frequently not significant. Speakers differed in how loudness and task affected formant values. Finally, correlations between sound pressure level and F1 were generally positive but varied in magnitude across vowels, with the high tense vowels showing very flat slopes. Discussion These data indicate that naturalistically elicited loud speech in typical speakers does not always lead to changes in vowel formant frequencies and call into question the notion that increasing loudness is necessarily an automatic method of expanding the vowel space. Supplemental Material

https://doi.org/10.23641/asha.8061740

更新日期：2019-05-14

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