Hearing determination system, and method and program for the same

摘要

The determination system includes a presented-speech sound control section for determining a speech sound to be presented to a user; auditory/visual stimulation presentation sections for presenting the determined speech sound as an audio/a character; a group-wise summation section for taking a summation of an event-related potential of an electroencephalogram signal of the user for each group of speech sounds; a first determination section for, from the event-related potential having been subjected to summation for each group, making a group-by-group determination of comfortableness as to whether the user is comfortably hearing to the speech sound, to at least determine whether the user is listening to the speech sound with strife, or to determine whether the user is annoyed by the speech sound; and a second determination section for, from the event-related potential, making a speech sound-by-speech sound determination of intelligibility as to whether the user is clearly hearing the speech sound.

主权项

1. A determination system comprising:
one or more memories storing a speech sound database retaining data of a plurality of speech sounds and data defining at least one group within the plurality of speech sounds; and circuitry which in operation is configured to: measure an electroencephalogram signal of a user; determine speech sounds to be presented to the user, by referring to the speech sound database; present the determined speech sounds to the user as an audio; present the determined speech sounds to the user as a character; present the determined speech sounds to the user as a character; by referring to the speech sound database, take a summation of event-related potentials of the electroencephalogram signal for each group of presented speech sounds; from the event-related potentials having been subjected to summation for each group, determine an arithmetic-meaned electroencephalogram waveform and analyze a peak component of the arithmetic-meaned electroencephalogram waveform to make a group-by-group determination of comfortableness as to whether the user is comfortably hearing the presented speech sounds, to at least determine whether the user is listening to the presented speech sounds with strife, or to determine whether the user is annoyed by the speech sounds; from the arithmetic-meaned electroencephalogram waveform analyze a peak component of the arithmetic-meaned electroencephalogram waveform to make a speech sound-by-speech sound determination of intelligibility as to whether the user is clearly hearing the presented speech sounds; and output an adjustment amount for amplifying speech sounds based on the comfortableness and intelligibility determinations.