VOICE INTERACTION DEVICE, VOICE INTERACTION SYSTEM, CONTROL METHOD OF VOICE INTERACTION DEVICE, AND PROGRAM

摘要

This voice interaction device (410) is provided with multiple storage units (402), a word acquisition unit (401), a determination unit (403), and a modification unit (404). The storage units (402) store words relating to an utterance of the user. The word acquisition unit (401) acquires the words relating to the user's utterance and stores the acquired words in the corresponding storage units (402). The determination unit (403) determines whether or not the words stored in the storage units fit with the content of the user's utterance. If it is determined in the suitability determination that said words do not fit, the modification unit (404) changes the words stored by the storage units (402) to words which have been stored in the past by the storage units (402).