static L<Int> audio_exitPointsUsingBand_v1(BWImage img, IntRange band, O... _) {
  ret endsOfIntRanges(audio_streaksUsingBand_v1(img, band, _));
}

static L<Int> audio_exitPointsUsingBand_v1(BWImage img, Audio_BandAndThreshold band, O... _) {
  ret endsOfIntRanges(audio_streaksUsingBand_v1(img, band.r, paramsPlus(_, threshold := band.threshold));
}