Information processing apparatus, information processing method, and program

An information processing method, by a processor, comprising:

• executing a first voice recognition process using a first dictionary that has registered a plurality of utterance expressions;
• and
• updating utterance expressions to be registered to the first dictionary based on a usage performance of utterance of a user,
• wherein the updating further includes:
• deleting an utterance expression having a low usage performance of utterance from the first dictionary;
• or transferring the utterance expression to a second dictionary that has registered a plurality of utterance expressions not registered in the first dictionary.

A program causing a computer to function as an information processing apparatus including:

• a first dictionary that has registered a plurality of utterance expressions;
• a first voice recognition unit that executes a first voice recognition process using the first dictionary;
• and
• a dictionary update unit that updates utterance expressions to be registered to the first dictionary based on usage performance of utterance of a user,
• wherein the dictionary update unit deletes an utterance expression having a low usage performance of utterance from the first dictionary or transfers the utterance expression to a second dictionary that has registered a plurality of utterance expressions not registered in the first dictionary.