Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	33.756248	5430.2105	5877.0855	33.049996	34.4625	1.4125039999999984	20250412_035835UTC_V00OS11.WAV
B	38.737504	0.0022750000003526	176.04372500000034	38.650004	38.825004	0.1749999999999971	20250412_035835UTC_V00OS11.WAV
D	51.462504	94.79275	920.83225	51.262504	51.662504000000006	0.4000000000000057	20250412_035835UTC_V00OS11.WAV