Automatic speech recognition

Details Automatic speech recognition Automatic speech recognition

1996-09-10

1999-05-18

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704254, G10L7/08

Patent

active

059059710

ABSTRACT:
Speech recognition is carried out by matching parameterized speech with a dynamically extended network of paths comprising model linguistic elements (12b, 12c). The units are context related, e.g. triphones. Some elements cannot be converted to models at the time when it is necessary to incorporate the element into the paths because the context is not defined at the relevant time. In order to allow transfer the element is transferred as a place marker (21, 22, 23 24) which is converted when a later extension completes the definition of the triphone. The place markers (12a) can be used to identify the locations for subsequent extensions.

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Young, "The General Use of Tying in Phoneme-Based HMM Speech Recognisters", Speech Processing 1, San Francisco, Mar. 23-26, 1992, vol. 1, Institute of Electrical and Electronics Engineers, pp. 569-572, XP000341210.
Woodland et al, "Large Vocabulary Continuous Speech Recognition Using HTK", Speech Processing 2, Adelaide, Apr. 19-22, 1994, vol. 2, 1994, IEEE, pp. 125-128, XP002016226.
Chou et al, "An Algorithm of High Resolution and Efficient Multiple String Hypothesization for Continuous Speech Recognition Using Inter-Word Models", Speech Processing 2, Adelaide, Apr. 19-22, 1994, vol. 2, 1994, IEEE, pp. 153-156, XP002016227.

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