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| author | Jean-Marc Valin <jean-marc.valin@octasic.com> | 2009-06-12 01:40:37 +0400 |
|---|---|---|
| committer | Jean-Marc Valin <jean-marc.valin@octasic.com> | 2009-06-12 01:40:37 +0400 |
| commit | f1b5006d8c0b4fc1c136bb485d8ae3b100f69dc3 (patch) | |
| tree | cb0e4b25354172a7046368cf3256ee3dcd51ef93 | |
| parent | a76a5e8f0c8797e902924a8f186800707038aa2d (diff) | |
ietf doc: fine energy
| -rw-r--r-- | doc/ietf/draft-valin-celt-codec.xml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/ietf/draft-valin-celt-codec.xml b/doc/ietf/draft-valin-celt-codec.xml index 9e07c3c..ec78d5e 100644 --- a/doc/ietf/draft-valin-celt-codec.xml +++ b/doc/ietf/draft-valin-celt-codec.xml @@ -321,7 +321,14 @@ implemented in ec_laplace_encode() (<xref target="laplace.c">laplace.c</xref>). <section anchor="fine-energy" title="Fine energy quantization"> <t> -After the coarse +After the coarse energy quantization and encoding, the bit allocation is computed +(<xref target="allocation"></xref>) and the number of bits to use for refining the energy quantization is determined for each band. Let B_i be the number of fine energy bits +for band i, the refement is an integer f in the range [0,2^B_i-1]. The mapping between f +and the correction applied to the corse energy is equal to (f+1/2)/2^B_i - 1/2. +</t> + +<t> +Remaining bits encoded at the end </t> </section> <!-- fine energy --> |