PROBLEM TO BE SOLVED: To suitably analyze continuous rhonchus contained in respiratory sounds.SOLUTION: The respiratory sound analysis apparatus comprises: component acquisition means for acquiring a respiratory sound component which contains continuous rhonchus; frequency acquisition means for acquiring the frequency (F) corresponding to a specific characteristic contained in the respiratory sound component; number-of-characteristics acquisition means for acquiring the number (N) of specific characteristics contained in the respiratory sound component; and determination means for determining a whistling rale component and a rhonchus component contained in the respiratory sound component on the basis of the frequencies corresponding to the specific characteristics and the number of specific characteristics.COPYRIGHT: (C)2016,JPO&INPIT【課題】呼吸音に含まれる連続性ラ音を好適に解析する。【解決手段】呼吸音解析装置は、呼吸音から連続性ラ音を含む呼吸音成分を取得する成分取得手段と、呼吸音成分に含まれる所定の特徴に対応する周波数(F)を取得する周波数取得手段と、呼吸音成分に含まれる所定の特徴の数(N)を取得する特徴数取得手段と、所定の特徴に対応する周波数及び所定の特徴の数に基づいて、呼吸音成分に含まれる笛声音成分と類鼾音成分とを判定する判定手段とを備える。【選択図】図1