SPEAKER waveform 1 1.340 101.331 <NA> <NA> SPEAKER_00 <NA> <NA>
SPEAKER waveform 1 103.353 346.604 <NA> <NA> SPEAKER_00 <NA> <NA>
SPEAKER waveform 1 450.828 469.898 <NA> <NA> SPEAKER_00 <NA> <NA>
SPEAKER waveform 1 731.800 0.102 <NA> <NA> SPEAKER_01 <NA> <NA>
