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Tim-Philipp Müller
Opus
Commits
81e886ed
Commit
81e886ed
authored
Feb 24, 2011
by
Jean-Marc Valin
Browse files
anti-collapse
parent
19caaddb
Changes
1
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doc/draft-ietf-codec-opus.xml
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81e886ed
...
...
@@ -525,7 +525,7 @@ Insert decoder figure.
<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 @@ masking and tone-vs-noise characteristics. While this is not an
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 t
ilt
parameter can be used to tilt the
two means: There is an entropy coded t
rim
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.
...
...
@@ -737,6 +737,12 @@ which is the same function as used in the encoder.
</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"
>
<t>
Just like each band was normalized in the encoder, the last step of the decoder before
...
...
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