Method and apparatus for a speech recognition system language mo

Details Method and apparatus for a speech recognition system language mo Method and apparatus for a speech recognition system language mo

1997-12-18

2000-11-28

Zele, Krista

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704255, G10L 1518

Patent

active

061547220

ABSTRACT:
A method and an apparatus for a speech recognition system that uses a language model based on an integrated finite state grammar probability and an n-gram probability are provided. According to one aspect of the invention, speech signals are received into a processor of a speech recognition system. The speech signals are processed using a speech recognition system hosting a language model. The language model is produced by integrating a finite state grammar probability and an n-gram probability. In the integration, the n-gram probability is modified based on information provided by the finite state grammar probability; thus, the finite state grammar probability is subordinate to the n-gram probability. The language model is used by a decoder along with at least one acoustic model to perform a hypothesis search on an acoustic sequence to provide a word sequence output. The word sequence generated is representative of the received speech signals.

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