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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsJean-Claude Junqua, Matteo Contolini
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A constraint-based speech recognition system for use with a form-filling application employed over a telephone system is disclosed. The system comprises an input signal, wherein the input signal includes both speech input and non-speech input of a type generated by a user via a manually operated device. The system further comprises a constraint module operable to access an information database containing information suitable for use with speech recognition, and to generate candidate information based on the non-speech input and the information database, wherein the candidate information corresponds to a portion of the information. The system further comprises a speech recognition module operable to recognize speech based on the speech input and the candidate information. In an exemplary embodiment, the manually operated device is a touch-tone telephone keypad, and the information database is a lexicon encoded according to classes defined by the keys of the keypad.
A constraint-based speech recognition system for use with a form-filling application employed over a telephone system, the system comprising:
A constraint-based speech recognition method for use with a form-filling application at a telephone, the method comprising:
An information database residing in memory operable with a data processing system, said information database containing information suitable for use with a speech recognition system running on said data processing system, said information database encoded according to classes defined by a manually operated device.
A method of constraint for use with a speech recognition system, the method comprising:
Dependencies are inferred from the claim text.