threshhold (rms) duration (s) 0.000000000 0.006509274 0.200000003 0.005489208 0.400000006 0.004819014 0.600000024 0.004395858 0.800000012 0.004080264 1.000000000 0.003861594 1.200000048 0.003697296 1.399999976 0.003557820 1.600000024 0.003454986 1.799999952 0.003310782 2.000000000 0.003219768 2.200000048 0.003148848 2.400000095 0.003113388 2.599999905 0.003083838 2.799999952 0.003053106 3.000000000 0.003008190