Indexing and search methods for spoken documents

  • Authors:
  • Lukáš Burget;Jan Černocký;Michal Fapšo;Martin Karafiát;Pavel Matějka;Petr Schwarz;Pavel Smrž;Igor Szöke

  • Affiliations:
  • Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic;Speech@FIT, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic

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

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Abstract

This paper presents two approaches to spoken document retrieval—search in LVCSR recognition lattices and in phoneme lattices For the former one, an efficient method of indexing and search of multi-word queries is discussed In phonetic search, the indexation of tri-phoneme sequences is investigated The results in terms of response time to single and multi-word queries are evaluated on ICSI meeting database.