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CLT seminar: Christos Koniaris – Automatic pronunciation error detection in second language learning

SEMINAR

The goal of this talk is twofold; first, to give an overview of the research concerning computer-assisted pronunciation training over the past decade or so. We will look into the most important features of such systems, the current research approaches followed and have also a glimpse of some of the most famous commercial systems. Second, the talk will be focused on automatic pronunciation error detection and the work that I have been carried out during the last four years. In short, I am going to present the perceptually motivated pronunciation error detection algorithms, which are motivated by the observation that almost all native speakers perceive, relatively easily, the acoustic characteristics of their own language when it is produced by speakers of the language. The methods are the result of combination of various research areas such as speech processing, auditory perception, phonetics, etc. The findings are promising and can help us understand how humans distinguish between various speech sounds. At the end of the talk, we will discuss how an ideal pronunciation error detection system could be benefited by different approaches to be used as a reference to determine current challenges and possible next steps in research efforts.

Date: 2015-02-19 10:30 - 12:00

Location: L308, Lennart Torstenssonsgatan 8

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Page updated: 2015-02-13 11:23

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