ref: 78c76b0af96edb3a5f9f2a91d7227b8538f174de
dir: /TODO/
- optimize quantization bias - 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)