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A recognition grammar to supply information to a text-to-speech system for the synthesis of Italian must rely heavily upon lexical information, in order to instantiate the appropriate grammatical relations. Italian is an almost free word order language which nonetheless adopts f a i r l y analysable strategies to move major constituents: some of these can strongly affect the functioning of the phonotogical component. Two basic claims w i l l be made: i. d i f f i c u l t i e s in associating grammatical functions to constituent structure can be overcome only i f. | Parsing Difficulties Phonological Processing in Utalian Rodolfo Delmonte Istituto di Linguistica e Didattica Ca Garzonl-Moro - s.Marco 3417 Università degli stud di Venezia I ABSTRACT A recognition grammar to supply information to a text-to-speech system for the synthesis of Italian must rely heavily upon lexical information in order to instantiate the appropriate grammatical relations. Italian is an almost free word order language which nonetheless adopts fairly analysable strategies to move major constituents some of these can strongly affect the functioning of the phonological component. Two basic claims will be made i. difficulties in associating grammatical functions to constituent structure can be overcome only if Lexical Theory is adopted as a general theoretical framework and translated into adequate computational formalisms like ATN or CHART ii. decisions made at previous point affect focus structure construal rules which are higher level phonological rules which individuate intonation centre build up adequate Intonational Groups and assign pauses to adequate sites all being very sensitive to syntactic and semantic information. We will concentrate on Subject Object function association to c-structure in Italian and its relation to ATN formalism in particular HOLD mechanism and FLAGging. Then we will show how syntactic decisions interact with an intonation grammar. We shall also introduce two functional notions STRUCTURE REVERSIBILITY vs. FUNCTIONAL REVERSIBILITY in Italian. 1. INTRODUCTION In a recent paper we presented Delmonte 1983 a phonological processor for Italian which has been implemented at the University of Venice and is used in a text-to-speech system Delmonte et al. 1984 for the synthesis of Italian at the Centre of Computational Sonology of the University of Padua. Recently the system has been equipped with a lexicon and a morphological analyser Delmonte et al. 1985 while the parser is on its way to be built which since we adopt .
