Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	50.6	162.49675000000008	839.5822500000002	50.4125	50.7875	0.375	20250412_085835UTC_V00OS11.WAV
"B"""	33.237496	0.0022750000003526	176.04372500000034	33.149996	33.324996	0.1749999999999971	20250412_085835UTC_V00OS11.WAV