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Snoring is caused by the stenosis of the upper respiratory tract,which can lead to the vibration of the palatine uvula.Snoring brings not only harm to the snorer[1]but also sleep deprivation to those around them[2].Furthermore,stud-ies show that loud snorers have a 67％greater chance of suffering from a stroke and a 34％higher risk of having a heart attack.To identify people at risk from these diseases,snoring recording and analysis become highly important[3].