CELT TODO: Difference between revisions

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m (Add notice that CELT was merged into Opus)
 
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{{Obsolete|The CELT codec has been merged into the IETF [[Opus]] codec and is now obsolete}}
== Open issues ==
== Open issues ==
* Reduce waste when splitting at high bit-rate?
* Stereo/mono switching (Greg's patch)
* Make post-filter coefficient mappable to 16 bits
== Tuning (still open, but no changes planned) ==
* Temporal masking
* 3-tap prefilter/postfilter
* qtheta offset
* Just in case (probably not needed)
** delta allocation for non-transient
** fine offset
** Spreading/folding parameter
** Band layout (spacing)
== Still possible, but probably not a good idea ==
* Enable new layout with more HF bands
* Remove 2-phase stereo?
* Revert N=1 allocation special case?
* Revisit folding
** Can we remove the need to fold on split?
** Should we do L/R folding?
** Should we fold the side (probably not)?
** Band-aligned folding?


== Post-freeze ==
== Post-freeze ==
* Samplerate switching
* VBR waste prevention
* More intelligent VBR decisions
* Denorm prevention
* Denorm prevention
* Ogg mapping (including >2ch; LM/ch switching)
[[Category:Opus]]

Latest revision as of 05:31, 23 June 2016

Open issues

Post-freeze

  • VBR waste prevention
  • More intelligent VBR decisions
  • Denorm prevention
  • Ogg mapping (including >2ch; LM/ch switching)