def dc.one
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
795# one frequency bin of the 32-point DCT-II. The working rows stay an Array.
796def dc.one(acc: Array<F32>, +sec: List<&2, F32>, +kk: U32) -> Array<F32>:
797 dc.scat(dc.rows(dc.cols(8n, Dr{acc, Array.new(F32, 5n, 0.0)}, sec, kk, 0)), kk)