PROBLEM TO BE SOLVED: To provide a biological sound measuring device, an operation method of the biological sound measuring device, and an operation program of the biological sound measuring device capable of preventing deterioration in measurement accuracy when measuring a biological sound by using a plurality of sound measuring tools.SOLUTION: A biological sound measuring device includes: a first housing 31 that stores a first sound measuring tool M1 inside, and has an opening 31h closed by a body surface S in a state of being pressed against the body surface S of a living body； a second sound measuring tool M2 provided outside the first housing 31； and a control part 4 for causing a sound producing part 8 to produce a sound in a state that the opening 31h is not closed, determining whether or not relations of measurement sensitivity between the first sound measuring tool M1 and the second sound measuring tool M2 satisfy a stipulated condition on the basis of the strength of the sound measured by the first sound measuring tool M1 and the strength of the sound measured by the second sound measuring tool M2, and, when it is determined that the relations do not satisfy the stipulated condition, notifying accordingly.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2020,JPO&INPIT【課題】複数の音測定器を用いて生体音を測定する場合の測定精度の低下を防ぐことのできる生体音測定装置、生体音測定装置の作動方法、及び生体音測定装置の作動プログラムを提供する。【解決手段】第一の音測定器Ｍ１を内部に収容し、且つ生体の体表面Ｓに押圧された状態にて体表面Ｓによって塞がれる開口３１ｈを有する第一ハウジング３１と、第一ハウジング３１の外に設けられた第二の音測定器Ｍ２と、開口３１ｈが塞がれていない状態にて発音部８から音を発生させ、第一の音測定器Ｍ１により測定された該音の強度と、第二の音測定器Ｍ２により測定された該音の強度とに基づいて、第一の音測定器Ｍ１と第二の音測定器Ｍ２の測定感度の関係が規定条件を満たすか否かを判定し、この関係が規定条件を満たさない場合と判定した場合に報知する制御部４と、を備える。【選択図】図５
