Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	49.125	473.9582249999999	622.9167749999999	48.125	50.125	2.0	20250418_171635UTC_V00OS11.WAV
T	32.875	460.4145	622.9145	32.0	33.75	1.75	20250418_171635UTC_V00OS11.WAV
T	39.431248	460.4145	622.9145	38.86249599999999	40.0	1.137504000000007	20250418_171635UTC_V00OS11.WAV
T	47.312496	473.9582249999999	622.9167749999999	46.624996	47.999996	1.375	20250418_171635UTC_V00OS11.WAV