Classification of Segments of Acoustic Physiological Signal Captured During Sleep Using Phase-Locked Loop Array

摘要

A sleep monitoring method and device classify segments of an acoustic physiological signal captured during sleep as snore and apnea segments. The method and device employ a phase-locked loop array to rapidly detect snore segments for widely variant snoring rhythms exhibited by different people or the same person over time. The phase-locked loop array integrates seamlessly with an apnea timer-thresholding mechanism that detects apnea segments.