In this paper, the analysis of macro (prosodic) and micro (segmental) features is described for a workstation designed to improve the pronunciation of English, French and Italian by non-native speakers. The SPELL workstation is intended to be a teaching device aimed at intermediate ability foreign language learners. Audio and visual aids will be used to help students improve their general intelligibility within a basic teaching paradigm called DELTA (Demonstrate, Evaluate Listening, Teach and Assess). Prosodic analysis will apply to the features of intonation, stress and rhythm. A phonological approach is used for intonation which provides a well-structured system of contrasting units that correlate with discrete linguistic functions. A more limited approach to the prosodic phonology of stress and rhythm will be taught in the SPELL system by manipulating the relatively simple acoustic features of vowel quality and segmental duration. The micro feature analysis will focus on the segmental class of vowels. A distinctive feature approach is used to characterize non-native vowel pronunciation. Acoustic properties are sought which will be speaker-independent. © 1992.
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|Titolo:||Macro and micro features for automated pronunciation improvement in the SPELL system|
|Data di pubblicazione:||1991|
|Appartiene alla tipologia:||04a Atto di comunicazione a congresso|