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SPEAKER waveform 1 734.974 0.017 <NA> <NA> SPEAKER_01 <NA> <NA>
SPEAKER waveform 1 808.336 243.669 <NA> <NA> SPEAKER_00 <NA> <NA>
SPEAKER waveform 1 866.800 0.051 <NA> <NA> SPEAKER_01 <NA> <NA>
