음성과학 (Speech Sciences)
- 제8권1호
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- Pages.159-165
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- 2001
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- 1226-5276(pISSN)
An Experimental Study on Barging-In Effects for Speech Recognition Using Three Telephone Interface Boards
- Park, Sung-Joon (Multimedia Technology Laboratory, Korea Telecom) ;
- Kim, Ho-Kyoung (Multimedia Technology Laboratory, Korea Telecom) ;
- Koo, Myoung-Wan (Multimedia Technology Laboratory, Korea Telecom)
- 발행 : 2001.03.01
초록
In this paper, we make an experiment on speech recognition systems with barging-in and non-barging-in utterances. Barging-in capability, with which we can say voice commands while voice announcement is coming out, is one of the important elements for practical speech recognition systems. Barging-in capability can be realized by echo cancellation techniques based on the LMS (least-mean-square) algorithm. We use three kinds of telephone interface boards with barging-in capability, which are respectively made by Dialogic Company, Natural MicroSystems Company and Korea Telecom. Speech database was made using these three kinds of boards. We make a comparative recognition experiment with this speech database.