Syllable-Based recognition unit to reduce error rate for korean phones, syllables and characters

  • Authors:

  • Bong-Wan Kim;Yongnam Um;Yong-Ju Lee

  • Affiliations:

  • Speech Information Technology and Industry Promotion Center, Wonkwang University, Korea;Speech Information Technology and Industry Promotion Center, Wonkwang University, Korea;Division of Electrical Electronic and Information Engineering, Wonkwang University, Korea

  • Venue:
  • TSD'06 Proceedings of the 9th international conference on Text, Speech and Dialogue
  • Year:
  • 2006

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Abstract

In this paper we propose a new type of syllable-based unit for recognition and language model to improve recognition rate for Korean phones, syllables and characters We propose ‘combined' units for which both Korean characters and syllable units realized in speech are taken into consideration We can obtain character, syllable and phone sequences directly from the recognition results by using proposed units To test the performance of the proposed approach we perform two types of experiments First, we perform language modeling for phones, characters, syllables and propose combined units based on the same text corpus, and we test the performance for each unit Second, we perform a vector space model based retrieval experiment by using the proposed combined units.