Abstract
We can utter sounds by changing the shape of our vocal tract. The vocal tract characteristic has been analyzed by AR model for speech signals and the vocal tract area function can be estimated by PARCOR coefficients computed from the AR model. Phonological and personal information are included in the vocal tract area function. From this fact, the vocal tract area function can be considered to be available to voice synthesis or speaker recognition. In this paper, we will analyze the vocal tract area with the aim of recognition of phoneme of Japanese vowels.
