@inproceedings{154c35f3ac4d43ed9b2390374566abaa,
title = "Rigid vs non-rigid face and head motion in phone and tone perception",
abstract = "![CDATA[There is recent evidence that the visual concomitants, not only of the articulation of phones (consonants \& vowels), but also of tones (fundamental frequency variations that signal lexical meaning in tone languages) facilitate speech perception. Analysis of speech production data from a Cantonese speaker suggests that the source of this perceptual information for tones involve rigid motion of the head rather than non-rigid face motion. A perceptual discrimination study was conducted using OPTOTRAK output in which rigid or non-rigid motion of the head could be presented independently, using two conditions: one in which words to be discriminated only differed in tone, and another in which they only differed in phone. The results suggest that non-rigid motion is the critical determinant for successful discrimination of phones, whereas both non-rigid and rigid motion are required for the discrimination of tones.]]",
keywords = "Cantonese dialects, head, movements, speech perception, tone (phonetics), visual perception",
author = "Burnham, \{Denis K.\} and Jessica Reynolds and Guillaume Vignali and Sandra Bollwerk and Caroline Jones",
year = "2007",
language = "English",
publisher = "Causal Productions",
booktitle = "Proceedings of Interspeech 2007",
note = "International Speech Communication Association. Conference ; Conference date: 09-09-2012",
}