Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	52.4	406.24772499999983	555.2062749999998	51.7875	53.0125	1.2249999999999943	20250413_005835UTC_V00OS11.WAV
F	47.731248	0.0	555.2062749999998	47.562498	47.899998	0.3375000000000057	20250413_005835UTC_V00OS11.WAV
"B"""	40.943752	0.0	189.5812750000001	40.862502000000006	41.025002	0.1624999999999943	20250413_005835UTC_V00OS11.WAV