Speech recognition system using shared speech models for multipl

Details Speech recognition system using shared speech models for multipl Speech recognition system using shared speech models for multipl

1998-07-14

2000-05-09

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

379 8801, G10L 1514

Patent

active

060616539

ABSTRACT:
A method of operating a speech recognition system. The method loads a speech model from a storage facility into a memory accessible by a processor. This loading step includes two steps. A first of these steps loads process-independent state data representative of a plurality of states of the speech model. A second of these steps loads process-specific state data representative of the plurality of states of the speech model. The speech recognition system then performs a first speech recognition process with the processor by accessing the process-independent state data and a first portion of the process-specific state data. The speech recognition system also performs a second speech recognition process with the processor, where the second process also accesses the process-independent state data but further accesses a second portion of the process-specific state data different than the first portion of the process-specific state data. The speech model data may be the states, transitions, and scores of a Hidden Markov Model or pointers to the model may be loaded. In response to a third recognition process, loading a third portion of process-specific data invalidates the first portion.

REFERENCES:
patent: 5165095 (1992-11-01), Borcherding
patent: 5644680 (1997-07-01), Bielby et al.
patent: 5719921 (1998-02-01), Vysotsky et al.
patent: 5732187 (1998-03-01), Scruggs et al.
patent: 5787396 (1998-07-01), Komori et al.
patent: 6006186 (1999-12-01), Chen et al.

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