15th International Congress of Phonetic Sciences (ICPhS-15)

Barcelona, Spain
August 3-9, 2003

Phonological Reduction in Swedish

Per-Anders Jande

KTH, Sweden

In this paper, the importance of pronunciation variation modelling is discussed. As a first step in developing a model of Swedish pronunciation variation due to speaking style and speech rate, a tentative reduction rule system has been developed. An assessment experiment testing the impact of phonological reduction, as defined by this system, on the perceived naturalness of speech synthesis was conducted. Canonical and reduced synthetic speech stimuli with three different speech rates were presented to naive subjects. The reduced pronunciations were significantly more often perceived as more natural than the canonical pronunciations at the higher speech rates, while there was no significant general difference in perceived naturalness depending on reduction level for the lowest rate. The dependence on speech rate for perceived naturalness was significant. A possible cause for some observed differences in perceived naturalness depending on the nature of specific stimuli is discussed.

Full Paper

Bibliographic reference.  Jande, Per-Anders (2003): "Phonological reduction in Swedish", In ICPhS-15, 2557-2560.