The signal generation department which generates the signal which from the aforementioned 1st time serial signal and the aforementioned 2nd time serial signal includes the aforementioned 1st signal component the 1st signal component which possesses periodicity and the 1st time serial signal and the aforementioned 1st signal component which include the 1st noise component the 2nd signal component and the aforementioned 1st noise component which possess specified relation on the basis of with the 2nd time serial signal and the aforementioned 1st noise component which and the aforementioned 2nd noise component between the aforementioned specified relation include the 2nd noise component which possesses specified relation, and, 1st predetermined timeIn the range making use of the periodicity of the said generation signal, the aforementioned 1st noise component and the living body information signal processor which the aforementioned 2nd noise component in the aforementioned 1st predetermined time range between presumes the aforementioned specified relation with the presumption section which has.周期性を有する第1信号成分と第1ノイズ成分とを含む第1の時系列信号と、前記第1信号成分と所定の関係を有する第2信号成分および前記第1ノイズ成分と所定の関係を有する第2ノイズ成分を含む第2の時系列信号と、前記第1ノイズ成分と前記第2ノイズ成分との前記所定の関係とに基づいて、前記第1の時系列信号と前記第2の時系列信号とから前記第1信号成分を含む信号を生成する信号生成部と、第1の所定時間範囲での該生成信号の周期性を用いて、前記第1の所定時間範囲での前記第1ノイズ成分と前記第2ノイズ成分との前記所定の関係を推定する推定部とを備えた生体情報信号処理装置。
