Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	48.987504	81.25227499999977	216.66872499999977	48.612504	49.362504	0.75	20250414_151635UTC_V00OS11.WAV
E	49.637504	284.37727500000034	501.0437250000004	48.887504	50.387504	1.5	20250414_151635UTC_V00OS11.WAV
O	49.656248	284.37727500000034	501.0437250000004	48.875	50.437496	1.562495999999996	20250414_151635UTC_V00OS11.WAV
D	50.712504	5321.8737	6486.459199999999	50.437504	50.987504	0.5499999999999972	20250414_151635UTC_V00OS11.WAV