def blk.ix
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
1025# subband index. right selects the second channel, which starts at 576.
1026def blk.ix(+nch: U32, +band: U32, +tm: U32, right: Bool) -> U32:
1027 u.add(u.add(blk.off(nch, right), u.mul(band, 18)), tm)