The research evaluated the role of experience on the accuracy of dental implant placement in a stimulated clinical setting without the use of surgical guides with the conventional free-hand method. With a sample of 15 surgeons at three different levels of experience, three parameters were tested (mediodistal, orofacial and coronoapical position of the dental implants). A detailed examination wa...

This study examines prosodic transfer effects in the production of three contrastive English stress patterns at the level of word and phrase prosody by Vietnamese learners of English. Both languages employ distinctive patterns of pitch (F0) and intensity prominence to signal contrasts between otherwise homophonous compound and phrasal constructions, though reversed in headedness (English: black...

Previous studies have shown that some English vowel contrasts remain difficult for English learners to perceive. This study investigated three potential factors affecting vowel perception: cross-language vowel systems, spectral distance, and language proficiency, for the discrimination and identification of English /ɪ/-/ε/, /ε/-/æ/, /ʊ/-/ʌ/, and /ʌ/-/ɒ/ contrasts in four groups of listeners: L1...

This paper describes some enhancements for a speech-enabled Computer Aided Pronunciation Learning (CAPL) system HAFSS©. This system was developed for teaching Holy Qur'an recitation rules and Arabic pronunciations to nonnative speakers. One important point that is critical in any practical language learning system that exploits ASR technology is the user enrolment time. In this paper we introdu...