Spectrogram 4.2 Data
D:\Renzo\OilDrum\New\OilDrum1b.wav
Event   Time    Freq    Level (dB)

a	1801	224	-50
b	1267	187	-49
c	1215	206	-51
d	807	488	-55
e	565	639	-47
f	55	413	-29
g	45	421	-28
h	451	346	-43