Jackson P L, Montgomery A A, Binnie C A
J Speech Hear Res. 1976 Dec;19(4):796-812. doi: 10.1044/jshr.1904.796.
This study was concerned with the extraction, description, and verification of visual perceptual features underlying vowel lipreading performance. Ten viewers with normal hearing rated the visual similarity of pairs of 15 vowels and diphthongs presented in an /h-g/ context by four speakers. Multidimensional scaling techniques were used to extract potential perceptual features which were then labeled by the experimenters. The resulting perceptual dimensions were correlated with physical measurements of lip shape to evaluate the adequacy of the feature labels. The results indicated that the traditional extended-rounded vowel feature and a vertical lip separation feature were the characteristics most prominent in judging ths stimuli. In addition, a feature related to overall area of maximum lip opening and two features unique to diphthong perception were tentatively identified.
本研究关注于元音唇读表现背后的视觉感知特征的提取、描述与验证。十名听力正常的观看者对四位说话者在/h-g/语境中呈现的15个元音和双元音对的视觉相似性进行了评分。使用多维标度技术提取潜在的感知特征，然后由实验者进行标注。将得到的感知维度与嘴唇形状的物理测量结果相关联，以评估特征标注的充分性。结果表明，传统的圆唇扩展元音特征和垂直唇间距特征是判断这些刺激时最突出的特征。此外，还初步确定了一个与最大唇开度总面积相关的特征以及两个双元音感知特有的特征。
