2023
DOI: 10.3390/bs13010052
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The Temporal Alignment of Speech-Accompanying Eyebrow Movement and Voice Pitch: A Study Based on Late Night Show Interviews

Abstract: Previous research has shown that eyebrow movement during speech exhibits a systematic relationship with intonation: brow raises tend to be aligned with pitch accents, typically preceding them. The present study approaches the question of temporal alignment between brow movement and intonation from a new angle. The study makes use of footage from the Late Night Show with David Letterman, processed with 3D facial landmark detection. Pitch is modeled as a sinusoidal function whose parameters are correlated with t… Show more

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