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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Pronunciation Similarity Estimation for Spoken Language Learning
verfasst von : Donghyun Kim, Dongsuk Yook
Erschienen in: Computer Processing of Oriental Languages. Beyond the Orient: The Research Challenges Ahead
Verlag: Springer Berlin Heidelberg
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This paper presents an approach for estimating pronunciation similarity between two speakers using the cepstral distance. General speech recognition systems have been used to find the matched words of a speaker, using the acoustical score of a speech signal and the grammatical score of a word sequence. In the case of learning a language, for a speaker with impaired hearing, it is not easy to estimate the pronunciation similarity using automatic speech recognition systems, as this requires more information of pronouncing characteristics, than information on word matching. This is a new challenge for computer aided pronunciation learning. The dynamic time warping algorithm is used for cepstral distance computation between two speech data with codebook distance subtracted to consider the characteristics of each speaker. The experiments evaluated on the Korean fundamental vowel set show that the similarity of two speaker’s pronunciation can be efficiently computed using computers.