PROBLEM TO BE SOLVED: To reduce discomfort of a user caused by frequency characteristic of a stethoscope.SOLUTION: A biological sound acquisition device (1, 2) includes: a converter (11) for acquiring biological sound of a subject and converting it into an electrical signal and a signal processing part (12) for changing frequency characteristic of the electrical signal and generating an output signal based on frequency characteristic indicated by a piece of frequency characteristic information of the multiple pieces of frequency characteristic information indicating the respective frequency characteristics of other multiple biological sound acquisition devices.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】聴診器の周波数特性に起因するユーザの違和感を低減する。【解決手段】生体音取得装置(1、2)は、被験者の生体音を取得して電気信号に変換する変換部(11)と、複数の他の生体音取得装置各々の周波数特性を示す複数の周波数特性情報のうち一の周波数特性情報により示される周波数特性に基づいて、電気信号の周波数特性を変更して、出力信号を生成する信号処理部(12)と、を備える。【選択図】図1
