threshhold (rms) duration (s) 0.000000000 0.007840206 0.200000003 0.005822532 0.400000006 0.004707906 0.600000024 0.004218558 0.800000012 0.003951426 1.000000000 0.003795402 1.200000048 0.003686658 1.399999976 0.003574368 1.600000024 0.003503448 1.799999952 0.003441984 2.000000000 0.003400614 2.200000048 0.003375792 2.400000095 0.003360426 2.599999905 0.003295416 2.799999952 0.003278868 3.000000000 0.003277686