A Phonological Modeling System Based on Autosegmental and Articulatory Phonology.pdfVIP

A Phonological Mo deling System Based on Autosegmental and Articulatory Phonology Jiping Sun and Li Deng Sp eech and Information Pro cessing Research Group University of Waterlo o Waterlo o Ontario Canada NL G fjsundeng gcrguwaterlo oca Abstract phab ets of words In sp eech recognition L This pap er describ es the design and implemen Deng L Deng and D Sun it is tation of a phonological mo deling system based desirable to have mo dels depicting how words on autosegmental and articulatory phonology are pronounced in continuous sp eech environ and its application in sp eech recognition ment This is b ecause the sp eech signals usu Pronunciation mo deling is an integral part ally presented to a recognition system in the in sp eech recognition systems Together with form of Fourier function ltered sp ectrograms language mo deling signal pro cessing and learn have severe distortions for words in continu ing mo dels eg Hidden Markov mo del and ous sp eech context from when they are said neural network mo del it inuences the p er carefully and in isolation To recognize words formance of a sp eech recognition system The in continuous sp eech context the system must basic units adopted by most sp eech recogni have go o d knowledge ab out how the pronunci tion systems for word pronunciation mo deling ations change are linearly ordered diphones or triphones ie Currently most systems use a unison un contextdep endent segments without internal structured approach toward this context dep en structure Our approach decomp oses segments dency phenomenon most notably the triphone into articulatory feat