Effect of formant frequency onset variation on the differentiation of synthesized /w/ and /r/ sounds.
Effect of formant frequency onset variation on the differentiation of synthesized /w/ and /r/ sounds.
复制标题
共振峰频率起始变化对合成 /w/ 和 /r/ 声音区分的影响。
DOI：
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发表时间：
1984
期刊：
影响因子：
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通讯作者：
R. N. Ohde
中科院分区：
文献类型：
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作者：
D. J. Sharf;R. N. Ohde
本研究的目的是评估心理物理转换在分析儿童和成人 /w/ 和 /r/ 声音的区分中的应用。来自成人和儿童流形的刺激由 25 个具有不同 F2 和 F3 起始频率的合成 /Cej/- 型话语组成，以随机顺序呈现给 8 名幼稚受试者。受试者对刺激进行四分制评分，介于好/r/和好/w/之间。刺激之间的 F3-F2 差异的 mel 变换和 Bark 变换之间的相关性及其百分比 /r/ 响应接近或大于 0.90。基于刺激之间 F3-F2 差异的 mel 变换和 Bark 变换的回归分析得出的 /r/ 响应百分比预测表明，一些被识别为 /r/ 替换的 /w/ 的声音可以与 /w/ 声音区分开来。 /r/ 和 /w/ 之间的类别边界估计为成人刺激的 5.0 Bark 和儿童刺激的 5.7 Bark。
The purpose of this study was to assess the use of psychophysical transformations for analyzing the differentiation of /w/ and /r/ sounds of children and adults. Stimuli from Adult and Child manifolds, consisting of 25 synthesized /Cej/-type utterances with different F2 and F3 onset frequencies, were presented in random order to eight naive subjects. Subjects rated the stimuli on a four-point scale between good /r/ and good /w/. Correlations between mel transformations and Bark transformations of the F3-F2 differences among the stimuli and their percent /r/ responses were close to or greater than .90. Predictions of percent /r/ responses derived from regression analyses based on mel transformations and Bark transformations of F3-F2 differences among stimuli indicated that some sounds identified as /w/ for /r/ substitutions could be differentiated from /w/ sounds. The category boundaries between /r/ and /w/ were estimated to be 5.0 Bark for adult stimuli and 5.7 Bark for child stimuli.