def an.sb
import emerging-ezaudio@0.4.0.0/src/mp3_enc.bend as Mp3Encimport Base
165# subband samples of one ring state. head indexes the oldest of 512 samples.
166def an.sb(
167 x: Array<F32>, +head: U32, +win: List<&2, F32>, cos: Array<F32>
168) -> As:
169 an.sb1(y.ring(win, Yr{x, Array.new(F32, 6n, 0.0)}, head, 0, 0), cos)