An auditory sense training device 1 to be used in an auditory sense
training method for training auditory sense by listening to a sound
formed by processing an original sound comprises a band attenuation
processing method 20 for attenuating a predetermined frequency band of an
original sound 10, a switching means 30 for selectively outputting either
the original sound or the output from said band attenuation processing
means, a panpot processing means 40 for performing a panpot process
wherein a voice signal formed by attenuating an original sound of one
channel is superposed to the original sound of another channel, and a
phase reverse processing means 50 for performing a phase reverse process
of reversing the phase of the original sound, wherein a trainee listens
to the original sound and a band attenuation processed sound formed by
attenuating a predetermined frequency band of the original sound
alternately.