Aerodynamic constraints on the production of palatalized trills: the case of the Slavic trilled [r]
نویسنده
چکیده
Production of a trill depends on several articulatory and aerodynamic constraints. These constraints can be held responsible for various sound changes in Slavic languages which all involve depalatalization or frication of ProtoSlavic palatalized trilled r. As soon as a trill is affected by palatalization, the aerodynamic conditions are changed and the possibility of trill production lowers. Small deviations in aperture size and air velocity can lead to a failure of a trill. This paper proposes a phonetic explanation for the depalatalization and/or frication of the Proto-Slavic palatalized trilled r by considering the detrimental effects of articulatory and aerodynamic constraints on the production of a palatalized trill.
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