14th International Congress of Phonetic Sciences (ICPhS-14)
San Francisco, CA, USA
This paper discusses the role of labial spreading in the
perception of happiness and investigates whether untrained
judges perceive labial spread samples as more smiled than
The main experiment is a paired forced-response design perceptual experiment comparing neutral and labial spread voice quality samples. This is supplemented with articulatory measurements, which provide evidence of the differences in articulatory settings.
The study's findings are discussed with reference to current theories of affect behaviour.
Bibliographic reference. Robson, Julie / Beck, Janet Mackenzie (1999): "Hearing smiles - perceptual, acoustic and production aspects of labial spreading", In ICPhS-14, 219-222.