ref: fb0bd20e6b94ff5d9bcb99e0f6fff3c6f74ebdfd
parent: 78f42af27e95b55561e8149e013f19215ab686e4
author: Jean-Marc Valin <[email protected]>
date: Thu Jan 8 19:23:56 EST 2009
nothing to see here
--- a/doc/ietf/draft-valin-celt-codec.xml
+++ b/doc/ietf/draft-valin-celt-codec.xml
@@ -118,6 +118,9 @@
alpha_p=0.8. The inverse of the pre-emphasis is applied at the decoder.</t>
<section anchor="Range Coder" title="Range Coder">
+<t>
+derf?
+</t>
</section>
<section anchor="Forward MDCT" title="Forward MDCT">
@@ -203,10 +206,14 @@
<section anchor="Spherical Vector Quantization" title="Spherical Vector Quantization">
<t>CELT uses a Pyramid Vector Quantization (PVQ) <xref target="PVQ"></xref>
codebook for quantising the details of the spectrum in each band that have not
-been predicted by the pitch predictor. When no pitch is encoded, ...
+been predicted by the pitch predictor. The PVQ codebook consists of all combinations
+of K pulses signed in a vector of N samples.
</t>
<section anchor="Index Encoding" title="Index Encoding">
+<t>
+derf?
+</t>
</section>
</section>
@@ -220,10 +227,13 @@
<section anchor="CELT Decoder" title="CELT Decoder">
<t>
-Some more text
+Like for most audio codecs, the CELT decoder is less complex than the encoder.
</t>
<section anchor="Range Decoder" title="Range Decoder">
+<t>
+derf?
+</t>
</section>
<section anchor="Energy Envelope Decoding" title="Energy Envelope Decoding">