Normalised spectrogram for each time duration
#1 -s 1145621548.0 -e 1145622284.0 :: sg & sw [736s]
#2 -s 1145622294.0 -e 1145622500.0 :: No Injection [224s]
#3 -s 1145622508.0 -e 1145623588.0 :: abc & bns [1080s]
#4 -s 1145623598.0 -e 1145624190.0 :: No Injection [612s]
#5 -s 1145624200.0 -e 1145624936.0 :: sg & sw [736s]
#6 -s 1145624936.0 -e 1145625150.0 :: No Injection [224s]
#7 -s 1145625160.0 -e 1145626240.0 :: abc & bns [1080s]
#9 -s 1145665900.0 -e 1145666636.0 :: sg & sw [736s]
#10 -s 1145666646.0 -e 1145666850.0 :: No Injection [224s]
#11 -s 1145666860.0 -e 1145667940.0 :: abc & bns [1080s]
#12 -s 1145667950.0 -e 1145668840.0 :: No Injection [910s]
#13 -s 11451668850.0 -e 1145669586.0 :: sg & sw [736s]
#14 -s 1145669596.0 -e 1145669800.0 :: No Injection [224s]
#15 -s 1145669810.0 -e 1145670890.0 :: abc & bns [1080s]
