Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	19.112496	176.03949999999975	988.5394999999996	18.912496	19.312496	0.3999999999999986	20250417_224035UTC_V00OS11.WAV
V	47.75	311.45724999999976	1056.2467499999998	47.55	47.95	0.4000000000000057	20250417_224035UTC_V00OS11.WAV
D	47.756248	189.58224999999996	1096.87175	47.549998	47.962498	0.4124999999999943	20250417_224035UTC_V00OS11.WAV
D	38.081248	0.0	812.5	37.837498	38.324998	0.4874999999999971	20250417_224035UTC_V00OS11.WAV
D	28.481248	162.49675000000008	1042.7072500000002	28.274998	28.687498	0.4125000000000014	20250417_224035UTC_V00OS11.WAV