Beware of the individual: Evaluating prominence perception in spontaneous speech

Anna Bruggeman, Leonie Schade, M. Wlodarczak, P. Wagner
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Abstract

Much of the existing research on prominence perception has focused on read speech in American English and German. The present paper presents two experiments that build on and extend insights from these studies in two ways. Firstly, we elicit prominence judgments on spontaneous speech. Secondly, we investigate gradient rather than binary prominence judgments by introducing a finger tapping task. We then provide a within-participant comparison of gradient prominence results with binary prominence judgments to evaluate their correspondence. Our results show that participants exhibit different success rates in tapping the prominence pattern of spontaneous data, but generally tapping results correlate well with binary prominence judgments within individuals. Random forest analyses of the acoustic parameters involved show that pitch accentuation and duration play important roles in both binary judgments and prominence tapping patterns. We can also confirm earlier findings from read speech that differences exist between participants in the relative importance rankings of various signal and systematic properties.
谨防个体:评价自发演讲中的突出感知
现有的关于突出感知的研究大多集中在美式英语和德语的阅读语音上。本论文提出了两个实验,以两种方式建立和扩展这些研究的见解。首先,我们推导出自发言语的显著性判断。其次,我们通过引入手指敲击任务来研究梯度而不是二元显著性判断。然后,我们提供了一个参与者内比较梯度突出结果与二元突出判断,以评估他们的对应关系。我们的研究结果表明,参与者在挖掘自发数据的突出模式方面表现出不同的成功率,但总体而言,挖掘结果与个体内部的二元突出判断具有良好的相关性。随机森林分析表明,音高重音和持续时间在二元判断和突出敲击模式中都起着重要作用。我们还可以证实先前的研究结果,即参与者之间在各种信号和系统属性的相对重要性排名上存在差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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