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Master thesis defence: Dijana Pijetlovic - Swedish spelling game: Developing Swedish spelling exercises on the ICALL platform Lärka using Text-to-Speech Technology

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Dijana Pijetlovic in the MLT programme will defend her master's thesis "Swedish spelling game: Developing Swedish spelling exercises on the ICALL platform Lärka using Text-to-Speech Technology"

The purpose of this thesis is to develop web services on the ICALL platform Lärka for automatic generation of Swedish spelling exercises using Text-To-Speech (TTS) technology.

The spelling exercises contain 5 different linguistic levels, whereby the user has the choice between word, inflected word, phrase, sentence and performance based level. The performance-based level allows the user to train linguistic levels according to the user performance. The embedded Avatar pronounces a random item of the desired level, which the user has to spell. The user has also the possibility to train his/her own words for different linguistic levels. A result tracker containing a total and correct answer score keeps track of the user performance.

This paper describes the user interface, exercise principles, giving especial attention to algorithms of item generation at different linguistic levels. In order to analyze typical spelling mistakes and provide better feedback, misspellings are collected in a database. The usability of the spelling exercises, concerning the different linguistic levels and the quality of speech, was tested by carrying out an evaluation based on a questionnaire with 10 participants.

From the research point of view, the spelling error analysis and the relevant feedback as well as the question whether the text-to-speech technology for Swedish is applicable in a language learning environment, play an important role in this thesis.

The results of the evaluation showed that the text-to-speech technology for Swedish is mature enough for use in L2 context.

Supervisor: Elena Volodina
Opponent: Cuicui Sun
Examiner: Torbjörn Lager

Date: 2013-06-19 14:30 - 15:30

Location: T219, Olof Wijksgatan 6

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Page updated: 2013-06-13 16:27

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