Dialect effects in speech perception: the role of vowel duration in Parisian French and Swiss French.

The current experiments examined how native Parisian French and native Swiss French listeners use vowel duration in perceiving the /[character: see text]/-/o/ contrast. In both Parisian and Swiss French /ol is longer than /[character: see text]/, but the difference is relatively large in Swiss French and quite small in Parisian French. In Experiment I we found a parallel effect in perception.