Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
J	54.175	3764.58225	4428.12175	53.6375	54.7125	1.0750000000000028	20250416_121035UTC_V00OS11.WAV
F	51.737496	0.0	595.8312750000001	51.562496	51.912496	0.3499999999999943	20250416_121035UTC_V00OS11.WAV
B	18.137504	13.53950000000009	176.0395000000001	18.050004	18.225004	0.1749999999999971	20250416_121035UTC_V00OS11.WAV