PROBLEM TO BE SOLVED: To prevent a subject from feeling bored due to a generated sound when improving sleep or the like.SOLUTION: A sound source device includes: an acquisition part 210 which acquires biological information of a subject sound sources 430 and 440 which output sound signals at a tempo related to the periodicity of the biological information an estimation part 230 which estimates a psychological and physical state including the sleeping state of the subject from the acquired biological information and a sound source control part 40 which controls the sound sources 430 and 440 in accordance with the estimated psychological and physical state.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】睡眠等を改善する場合に、発生させる音によって飽きるなどの感じを被験者に与えないようにする。【解決手段】被験者から生体情報を取得する取得部210と、生体情報が有する周期性に関連したテンポを音のテンポとした音信号を出力する音源430、440と、取得された生体情報から、当該被験者の睡眠状態を含む心体状態を推定する推定部230と、推定される心体状態に応じて音源430、440を制御する音源制御部40と、を具備する。【選択図】図2
