STATE ESTIMATION APPARATUS AND STATE ESTIMATION METHOD

To provide a state estimation apparatus and a state estimation method capable of appropriately estimating a state of a device to be inspected based on sound generated by the device.SOLUTION: A state estimation apparatus of the present invention is provided with a first acquisition unit for acquiring first sound recording data obtained by recording sound generated by a device to be inspected at a reference time, a second acquisition unit for acquiring second sound recording data obtained by recording sound generated by the device to be inspected at a point in time of inspection after the reference time, an analysis unit for analyzing the first sound recording data and the second sound recording data, and an estimation unit for estimating the state of the device to be inspected at the point in time of inspection based on analysis results of the first sound recording data and the second sound recording data.SELECTED DRAWING: Figure 3 【課題】 検査対象機器の発生音に基づいて当該機器の状態を適切に推定できる状態推定装置、及び状態推定方法を提供する。【解決手段】 本発明の状態推定装置は、基準時点における検査対象機器の発生音を録音して得られる第１録音データを、取得する第１取得部と、基準時点より後の検査時点における検査対象機器の発生音を録音して得られる第２録音データを、取得する第２取得部と、第１録音データ及び第２録音データを解析する解析部と、第１録音データ及び第２録音データの解析結果に基づいて、検査時点における検査対象機器の状態を推定する推定部と、を備える。【選択図】図３