All the things that can be tuned in CELT
How many bits per critical band (assuming 256 frame size)
- modes.c: band_allocation
Minimum band width
Minimum number of MDCT bin allowed for a band, even if it means more than one Bark.
- modes.c: MIN_BINS
Decision when to turn folding on or off.
- bands.c: folding_decision()
Decision when to use short blocks
- celt.c: transient_decision()