Articulatory patterns of the lateral approximant /l/, both dark and light allophones, in American English were analyzed through magnetic resonance imaging (MRI) and electropalatography (EPG). Vocal tract lengths, area, functions, and cavity volumes, were measured from the MR images, while EPG data were used for studying inter- and intra-speaker variabilities in lingua palatal contact patterns. Acoustic modeling was based on the MRI derived vocal tract area functions and the acoustic spectra of these sounds. Acoustic modeling utilized the analog circuit simulator HSPICE.
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机译：通过磁共振成像（MRI）和电描记法（EPG）分析了美式英语中横向近似/ l /的暗和亮同音异形的发音模式。从MR图像中测量了声道长度，面积，功能和腔体积，而EPG数据用于研究舌pa接触模式中的说话人之间和说话人内部的变异性。声学建模基于MRI导出的声道区域功能和这些声音的声谱。声学建模利用了模拟电路仿真器HSPICE。
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