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Ya-Ya Language Box - A Portable Device for English Pronunciation Training with Speech Recognition Technologies"by: Fu-Chiang Chou
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Notes for this articlePDA-based system for teaching children. Uses off-the-shelf ASR, with grammars expanded to include pronunciation variants supplied by expert linguistic knowledge.
No published accuracy/time results, though I suspect accuracy is low given that the system is trained on adult speech while the users are children.
System listens to learner speech for simple words, and gives phonetic corrective pedagogical feedback (e.g. open your mouth wider and move your tongue back a little)
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AbstractThis paper describes the application of speech recognition technologies in computer assisted pronunciation training. A portable pronunciation training device called Ya-Ya language box was completed in this research. The system provides a pronunciation training course and uses the speech recognition technologies to identify the pronunciation errors and provide diagnostic feedbacks for the users to correct their pronunciations. The system had been evaluated by forty students in elementary schools and most of them affirmed the system is helpful for their English pronunciation learning.
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