Difference between revisions of "CELT tuning"

From XiphWiki
Jump to navigation Jump to search
Line 24: Line 24:
  
 
* celt.c: transient_decision()
 
* celt.c: transient_decision()
 +
 +
[[Category:Opus]]

Revision as of 16:15, 18 August 2015

All the things that can be tuned in CELT

Allocation matrix

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

Folding decision

Decision when to turn folding on or off.

  • bands.c: folding_decision()

Transient decision

Decision when to use short blocks

  • celt.c: transient_decision()