| 摘要 |
PROBLEM TO BE SOLVED: To output an output signal with a frequency component which is not dependent on the frequency component of sound source signals accumulated in a database.SOLUTION: A sound reproduction unit 40 includes: a parameter housing section 410 for preliminarily housing psychosomatic specific information and parameters representing a correlation between psychosomatic specific information; an input section 420 for inputting present condition specific information and target condition specific information; a parameter read section 430 for reading a parameter representing the correlation between the present condition specific information and the target condition specific information from the parameter housing section 410; a non-audible sound control section 440 for creating an output signal Y(t) by creating non-audible sound X(t) for changing the present psychosomatic condition to the target psychosomatic condition, based on the parameter, and adding the created non-audible sound X(t) to a sound source signal input from a sound source input device 30; and an output section 450 for making a subject hear the output signal Y(t) created by the non-audible sound control section 440. |
