SPEECH EVALUATION DEVICE, SPEECH EVALUATION METHOD, METHOD FOR PRODUCING TEACHER CHANGE INFORMATION, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To solve the problem that conventionally, speech evaluation where the flow of uttered input speech is taken into account is impossible.SOLUTION: Provided is a speech evaluation device comprising: a teacher change information storage unit for storing teacher change information relating to a change in the feature quantity of two or more pieces of partial speech information constituting teacher speech information that is the speech information of a teacher; an acceptance unit for accepting input speech information that is speech information having two or more partial speeches; an acquisition unit for acquiring input change information relating to a change in the feature quantity of two or more pieces of partial speech information included in the input speech information; an evaluation unit for evaluating the input speech information using the input change information and the teacher change information, and acquiring a score; and an output unit for outputting the score. Thus, the speech evaluation device makes it possible to evaluate a speech taking into account the flow of an uttered input speech.SELECTED DRAWING: Figure 1