threshhold (rms) duration (s) 0.000000000 0.007840206 0.200000003 0.005807166 0.400000006 0.004614528 0.600000024 0.004024710 0.800000012 0.003678384 1.000000000 0.003470352 1.200000048 0.003304872 1.399999976 0.003176034 1.600000024 0.003074382 1.799999952 0.002960910 2.000000000 0.002878170 2.200000048 0.002822616 2.400000095 0.002788338 2.599999905 0.002738694 2.799999952 0.002736330 3.000000000 0.002736330