VOICE RECOGNITION APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT

摘要

In an embodiment, a voice recognition apparatus includes: a program information storage unit; a dictionary storage unit; a calculating unit; an updating unit; a receiving unit; a recognizing unit; and an operation control unit. The program information storage unit stores metadata of a broadcast program with a user's viewing state. The dictionary storage unit stores a recognition dictionary including a recognition word and a priority of the recognition word. The calculating unit calculates a first score of a degree of the user's preference on a feature word based on the metadata and the viewing state. The updating unit updates the priority of the recognition word including the feature word according to the first score. The recognizing unit recognizes a voice using the recognition dictionary. The operation control unit controls an operation on the broadcast program based on a recognition result.