INTERACTION CONTROL METHOD AND COMPUTER PROGRAM FOR INTERACTION CONTROL

摘要

PROBLEM TO BE SOLVED: To provide an interaction control method capable of improving sensory quality of a user in response time after a user performs voice input by properly setting length of message voice to be reproduced in the response time in a voice interaction device.SOLUTION: An interaction control method includes steps of: extracting a predetermined keyword from a voice signal representing voice of a user collected by a voice input part; retrieving a content according to the keyword; estimating a response time until the content is presented to the user after input of the voice of the user is terminated; setting a length of message voice by referring to a table representing correspondence relation among a plurality of combinations of sample values of a silent period in which the voice is not output and sample values of the length of the message voice occupying the response time and sensory quality of the user, generating message voice having the length, and reproducing the message voice in the response time.