Demuxer sbg [SBaGen binaural beats script]:
    Common extensions: sbg.
sbg_demuxer AVOptions:
-sample_rate       <int>        .D....  (from 0 to INT_MAX)
-frame_size        <int>        .D....  (from 0 to INT_MAX)
-max_file_size     <int>        .D....  (from 0 to INT_MAX)

