Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
M	33.837496	13.53949999999979	135.4144999999998	33.549996	34.124996	0.5750000000000028	20250420_074035UTC_V00OS11.WAV
T	55.356248	379.1645000000002	541.6645000000002	54.712496	56.0	1.2875039999999984	20250420_074035UTC_V00OS11.WAV