ref: 64fc74460b0b2141c3eb6a9b82d050cec90c38b3
dir: /TODO/
- optimize codebook list (section_data) - optimize CPE windows grouping - faster mdct in blockswitch - Add PNS - Add IS - Add bit reservoir control - Add resampler and downmixer (hans-juergen, Oct 17, 2004) - Add HE AAC (hans-juergen, Oct 17, 2004) - Test TNS(arcen, Apr 8th, 2012)