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    • 5. 发明申请
    • APPARATUS, SYSTEM, AND METHOD FOR DETECTING PHYSIOLOGICAL MOVEMENT FROM AUDIO AND MULTIMODAL SIGNALS
    • 用于从音频和多模式信号中检测生理运动的装置,系统和方法
    • WO2018050913A1
    • 2018-03-22
    • PCT/EP2017/073613
    • 2017-09-19
    • RESMED SENSOR TECHNOLOGIES LIMITED
    • MCMAHON, StephenO'ROURKE, DamienZAFFARONI, AlbertoSHOULDICE, RedmondFAGAN, TonyFOX, NiallO'MAHONY, NiallLYON, Graeme
    • A61B5/00A61B5/08A61B5/11A61B5/113
    • Methods and devices provide physiological movement detection with active sound generation. In some versions, a processor may detect breathing and/or gross body motion. The processor may control producing, via a speaker coupled to the processor, a sound signal in a user's vicinity. The processor may control sensing, via a microphone coupled to the processor, a reflected sound signal. This reflected sound signal is a reflection of the sound signal from the user. The processor may process the reflected sound, such as by a demodulation technique. The processor may detect breathing from the processed reflected sound signal. The sound signal may be produced as a series of tone pairs in a frame of slots or as a phase-continuous repeated waveform having changing frequencies(e.g., triangular or ramp sawtooth). Evaluation of detected movement information may determine sleep states or scoring, fatigue indications, subject recognition, chronic disease monitoring/prediction, and other output parameters.
    • 方法和设备提供主动声音生成的生理运动检测。 在一些版本中,处理器可以检测呼吸和/或粗体动作。 处理器可以控制经由耦合到处理器的扬声器在用户附近产生声音信号。 处理器可以经由耦合到处理器的麦克风来控制感测反射声音信号。 该反射的声音信号是来自用户的声音信号的反映。 处理器可以例如通过解调技术来处理反射的声音。 处理器可以从处理后的反射声音信号中检测呼吸。 声音信号可以作为一系列时隙帧中的一系列音调对产生,或者作为具有变化频率的相位连续重复波形(例如三角形或斜坡锯齿形)产生。 对检测到的运动信息的评估可以确定睡眠状态或评分,疲劳指示,受试者识别,慢性疾病监测/预测以及其他输出参数。