SOUND SOURCE CONTROL DEVICE AND SOUND SOURCE CONTROL METHOD
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United States of America Patent
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Aug 16, 2017
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Feb 26, 2015
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For the purpose of improving sleep satisfaction for different human subjects individually, a sound source control device (20) includes: an acquirer (202) configured to acquire a biorhythm of a human subject; an estimator (204) configured to estimate sleep depths of the human subject from the acquired biorhythm of the human subject; a controller (230) configured to control a sound source (240) to play a sound in accordance with the acquired biorhythm of the human subject, the sound being defined using a prescribed parameter set; and an evaluator (220) configured to evaluate a sleep state of the human subject based on the estimated sleep depths of the human subject, and based on the evaluation, instruct the controller (230) to change at least a part of contents of the parameter set.
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