shithub: opus

ref: 0773fec4ad5647bb84e3d8ce401a715342c83456
dir: /TODO/

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- Dynamic adjustment of energy quantisation
- Psychacoustics
  * Error shaping within each band
  * Desisions on the rate
- Intensity stereo option (e.g. threshold)
- Dynamic (intra-frame) bit allocation 
- Joint encoding of stereo energy
- Disable intra-frame prediction for more than X pulses

- Encode band shape (or just tilt)?
- Make pitch less aggressive instead of using contraction?
- Make energy encoding more robust to losses?
- Revisit pulse spreading