SPEECH RECOGNITION DICTIONARY UPDATE DEVICE, SPEECH RECOGNITION DICTIONARY UPDATE METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a speech recognition dictionary update device which can suppress selection of unnecessary words by an operator.SOLUTION: A speech recognition dictionary update device comprises: a recognition dictionary storage unit which stores a recognition dictionary; an unregistered word management unit which uses related documents as an input to extract and store an unregistered word appeared in the related documents by a trigger of the word addition instruction of the operator, and not registered in the recognition dictionary; a registration management unit which selects the unregistered words by prescribed criteria to provide the operator with the selected and unregistered words, outputs the unregistered words that are instructed to exclude from registration by the operator as excluded words, and updates an extended recognition dictionary to which the unregistered words other than the excluded words are added as a new recognition dictionary; an excluded word storage unit which stores the excluded words; and an unregistered word correction unit which removes words that matches with the excluded words from among the words newly stored in the unregistered word management unit by a trigger of the word addition instruction by the operator.