Patent ID: 8983847
Filing Date: 2015-03-17
Classification: H04N

Abstract:
1. A voice recognition apparatus comprising: a program information storage unit configured to store metadata of a broadcast program in association with a user's viewing state; a dictionary storage unit configured to store a recognition dictionary including a recognition word which is a voice recognition target and a priority of the recognition word; a recommendation state storage unit configured to store a recommendation state representing one of a first state and a second state, the first state representing a state in which a feature word having a high first score is recommended among feature words, each feature word representing a feature of the broadcast program, the first score representing a degree of the user's preference for a feature word, the second state representing a state in which a feature word including specific information is recommended among the feature words, the specific information specifying a broadcast program having a high second score, the second score representing a degree of the user's preference for the broadcast program; a calculating unit configured to calculate the first score, the second score, and the feature words on the basis of the metadata and the viewing state; an updating unit configured to update the priority of a recognition word including a feature word among the feature words according to the first score when the recommendation state indicates the first state and to update the priority of a recognition word including the specific information according to the second score when the recommendation state indicates the second state; a receiving unit configured to receive a voice; a recognizing unit configured to recognize the voice using the recognition dictionary; and an operation control unit configured to control an operation on the broadcast program based on a recognition result by the recognizing unit.