Speech quality estimation method, speech quality estimation apparatus, and program

摘要

PROBLEM TO BE SOLVED: To perform speech quality estimation with high precision reflected with a conversation style, in an evaluation object system of voice speech services.;SOLUTION: A speech quality estimation method executed by a speech quality estimation device for estimating quality that a user feels during a conversation in an evaluation object system of voice speech services, includes: a delay psychological deterioration amount calculation step for calculating a delay psychological deterioration amount by using conversation style information and a quality deterioration factor parameter of the evaluation object system; an integral psychological deterioration amount calculation step for calculating an integral psychological deterioration amount by using any one of or both an echo psychological deterioration amount and a voice quality psychological deterioration amount of the evaluation object system; and a subjective quality evaluation value calculation step of converting the integral psychological deterioration amount into a subjective quality evaluation value.;COPYRIGHT: (C)2015,JPO&INPIT