shithub: opus

Download patch

ref: 81e886ed018d163d18868f94d4439fd886faf58f
parent: 19caaddba86b86f3152f455fbcfc90bf39a19fc8
author: Jean-Marc Valin <[email protected]>
date: Thu Feb 24 06:04:26 EST 2011

anti-collapse

--- a/doc/draft-ietf-codec-opus.xml
+++ b/doc/draft-ietf-codec-opus.xml
@@ -525,7 +525,7 @@
 <c>dual (*)</c>     <c>[1, 1]/2</c><c></c>
 <c>fine energy</c>  <c><xref target="energy-decoding"/></c><c></c>
 <c>residual</c>     <c><xref target="PVQ-decoder"/></c><c></c>
-<c>anti-collapse</c><c>[1, 1]/2</c><c>stereo && transient</c>
+<c>anti-collapse</c><c>[1, 1]/2</c><c>transient, 4-8 blocks</c>
 <c>finalize</c>     <c><xref target="energy-decoding"/></c><c></c>
 <postamble>Order of the symbols in the CELT section of the bit-stream</postamble>
 </texttable>
@@ -638,7 +638,7 @@
 optimal bit allocation, it provides good results without requiring the
 transmission of any allocation information. Additionally, the encoder
 is able to signal alterations to the implicit allocation via
-two means: There is an entropy coded tilt parameter can be used to tilt the
+two means: There is an entropy coded trim parameter can be used to tilt the
 allocation to favor low or high frequencies, and there is a boost parameter
 which can be used to shift large amounts of additional precision into
 individual bands.
@@ -735,6 +735,12 @@
 </section>
 
 
+</section>
+
+<section anchor="anti-collapse" title="Anti-collapse processing">
+<t>
+When the frame has the transient bit set...
+</t>
 </section>
 
 <section anchor="denormalization" title="Denormalization">