Patent ID: 8214211

Claim:
A voice processing device for discriminating an input sound among a male voice sound, a female voice sound and a non-human-voice sound other than the male voice sound and the female voice sound, the voice processing device comprising: a storage that stores a male speaker sound model created from sounds voiced from a plurality of male speakers and a female speaker sound model created from sounds voiced from a plurality of female speakers; a male voice index calculator that calculates a male voice index indicating a similarity of the input sound relative to the male speaker sound model; a female voice index calculator that calculates a female voice index indicating a similarity of the input sound relative to the female speaker sound model; a first discriminator that discriminates the input sound between the non-human-voice sound and a human voice sound which may be either of the male voice sound or the female voice sound; and a second discriminator that discriminates the input sound between the male voice sound and the female voice sound based on the male voice index and the female voice index in case that the first discriminator discriminates the human voice sound.