Spectrogram 4.2 Data
D:\Renzo\OilDrum\OilDrum4.wav
Event   Time    Freq    Level (dB)

a	875	208	-46 (207)	*
b	195	852	-33 (846)	*
c	249	1037	-48 (1035)
d	101	1263	-42
e	329	491	-53 (489)
e	53	671	-35
f	167	765	-53
g	241	114	-56
h	19	181	-36
h	21	547	-35
h	17	537	-34