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mode parameters in ietf draft

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This commit is contained in:
Jean-Marc Valin 2009-01-09 17:44:22 -05:00
parent 0be0c80064
commit 950394ce3f
1 changed files with 23 additions and 2 deletions
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25
doc/ietf/draft-valin-celt-codec.xml
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@ -31,11 +31,13 @@
<date day="18" month="December" year="2008" /> <date day="18" month="December" year="2008" />
<area>General</area> <area>General</area>
<workgroup>AVT Working Group</workgroup>
<keyword>I-D</keyword>
<workgroup>AVT Working Group</workgroup>
<keyword>audio codec</keyword>
<keyword>low delay</keyword>
<keyword>Internet-Draft</keyword> <keyword>Internet-Draft</keyword>
<keyword>CELT</keyword> <keyword>CELT</keyword>
<abstract> <abstract>
<t> <t>
CELT <xref target="celt-website"/> is an open-source voice codec suitable for use in very low delay CELT <xref target="celt-website"/> is an open-source voice codec suitable for use in very low delay
@ -107,6 +109,24 @@ aliasing calcellation.</t>
</section>
<section anchor="CELT Modes" title="CELT Modes">
<t>
The operation of both the encoder and decoder depend on the
mode data. This data includes:
<list style="symbols">
<t>Frame size</t>
<t>Sampling rate</t>
<t>Windowing overlap</t>
<t>Number of channels</t>
<t>Definition of the bands</t>
<t>Definition of the "pitch bands"</t>
<t>Decay coefficients of the Laplace distributions for coarse energy</t>
<t>Fine energy allocation data</t>
<t>Pulse allocation data</t>
</list>
</t>
</section> </section>
<section anchor="CELT Encoder" title="CELT Encoder"> <section anchor="CELT Encoder" title="CELT Encoder">
@ -272,6 +292,7 @@ The spherical codebook is decoded by alg_unquant() (<xref target="vq.c">vq.c</xr
The index of the PVQ entry is obtained from the range coder and converted to The index of the PVQ entry is obtained from the range coder and converted to
a pulse vector by decode_pulses() (<xref target="cwrs.c">cwrs.c</xref>). Derf?? a pulse vector by decode_pulses() (<xref target="cwrs.c">cwrs.c</xref>). Derf??
</t> </t>
<t> <t>
mix_pitch_and_residual() (<xref target="vq.c">vq.c</xref>). mix_pitch_and_residual() (<xref target="vq.c">vq.c</xref>).
</t> </t>