PROBLEM TO BE SOLVED: To provide an analyte information processor which can detect a pulsating signal of a blood vessel in an external acoustic meatus at high sensitivity and reduce the influence due to sound of the outside in a state in which the external acoustic meatus is almost closed.SOLUTION: An analyte information processor includes: an analyte information detection device 2 provided with a casing part 10 which can be mounted so as to form an external acoustic meatus 91 as a cavity to be an almost-closed space structure, an internal sensor 11 which detects a pulsating signal on the basis of pulse wave information of a blood vessel in the external acoustic meatus 91 and detects a foreign signal on the basis of the sound from the outside of the external acoustic meatus 91, and an external sensor 12 which collects the sound of the outside of the external acoustic meatus 91 a leakage correction processing part which performs leakage correction processing on the signal from the external sensor 12 a subtraction processing part which performs subtraction processing for subtracting a signal processed by the leakage correction processing part from the signal from the internal sensor 11 and a waveform equalization processing part which performs waveform equalization processing on the signal processed by the subtraction processing part.COPYRIGHT: (C)2015,JPO&INPIT【課題】外耳道をほぼ閉鎖された状態で、外耳道における血管の脈動性信号を高感度で検出するとともに、外部の音による影響を軽減可能な検体情報処理装置を提供する。【解決手段】外耳道91をほぼ閉鎖された空間構造となる空洞として形成可能に装着することのできる筐体部10と、外耳道91における血管の脈波情報に基づく脈動性信号を検出するとともに、外耳道91の外部からの音に基づく外来信号を検出する内部センサ11と、外耳道91の外部の音を集音する外部センサ12とが設けられた検体情報検出装置2を備えるとともに、外部センサ12からの信号に対して、漏れ補正処理を施す漏れ補正処理部と、内部センサ11からの信号から漏れ補正処理部により処理された信号を減算する減算処理を施す減算処理部と、減算処理部により処理された信号に対して、波形等化処理を施す波形等化処理部とを備えることを特徴とする、検体情報処理装置。【選択図】図2