Fourth European Conference on Speech Communication and Technology

Madrid, Spain
September 18-21, 1995

Investigation on Unknown Word Processing and Strategies for Spontaneous Speech Understanding

Atsuhiko Kai, Seiichi Nakagawa

Toyohashi University of Technology, Toyohashi, Japan

In this paper, an unknown word processing method is investigated as an approach to achieve the robust spontaneous speech understanding. The unknown words are detected by a subword-unit based decoder and the process is incorporated into the One-Pass search algorithm. The preliminary experiments showed that the method is also effective to the utterance including interjections (or filled pauses). In addition, the phrase-spotting based approaches were compared with the One-Pass search method in which the unknown word processing was incorporated. The experiments showed that the One-Pass method attained the best performance on spontaneous speech.

Full Paper

Bibliographic reference.  Kai, Atsuhiko / Nakagawa, Seiichi (1995): "Investigation on unknown word processing and strategies for spontaneous speech understanding", In EUROSPEECH-1995, 2095-2098.