ref: 78a4b582559f576f2f94340a07e5f0b04857b0e8
parent: 4468c75adbefed247ae592e42549da544f468277
author: Jean-Marc Valin <[email protected]>
date: Thu Jul 8 11:51:49 EDT 2010
Update to CELT 0.8.1
--- a/README
+++ b/README
@@ -32,5 +32,7 @@
1) The sampling rate (only 48000 supported for now)
2) The number of channels (only mono supported for now)
3) The frame size in samples (480 and 960 supported)
-4) Input PCM file (16-bit, machine endian)
-5) Output PCM file after encoding and decoding (16-bit machine endian)
+4) Number of compressed bytes per frame (80 here means 32 kb/s)
+5) Input PCM file (16-bit, machine endian)
+6) Output PCM file after encoding and decoding (16-bit machine endian)
+
--- a/doc/draft-valin-codec-prototype.xml
+++ b/doc/draft-valin-codec-prototype.xml
@@ -102,8 +102,8 @@
the <xref target="SILK">SILK Internet-Draft</xref> with the main exception that
SILK was modified to
use the same range coder as CELT. The implementation of the CELT-based MDCT
-layer is available from the CELT website and is a more recent version (0.8.0)
-of the (now expired) <xref target="CELT">CELT Internet-Draft</xref>.
+layer is available from the CELT website and is a more recent version (0.8.1)
+of the <xref target="CELT">CELT Internet-Draft</xref>.
The main changes
include better support for 20 ms frames as well as the ability to encode
only the higher bands using a range coder partially filled by the SILK layer.</t>
@@ -176,14 +176,14 @@
<list style="symbols">
<t>48 kHz: 2.5, 5, 10, 20 ms (10000...10011)</t>
<t>32 kHz: 2.5, 5, 10, 20 ms (10100...10111)</t>
-<t>16 kHz: 5, 10, 20 ms (11000...11010)</t>
-<t>8 kHz: 5, 10, 20 ms (11011...11101)</t>
+<t>16 kHz: 2.5, 5, 10, 20 ms (11000...11011)</t>
+<t>8 kHz: 2.5, 5, 10, 20 ms (11100...11111)</t>
</list>
-for a total of 14 configurations.
+for a total of 16 configurations.
</t>
<t>
-There is thus a total of 30 configurations, so 5 bits are necessary (with 2 codes unused) to
+There is thus a total of 32 configurations, so 5 bits are necessary to
indicate the mode, frame size and sampling rate (MFS). This leaves 3 bits for the number of frames per packets (codes 0 to 7):
<list style="symbols">
<t>0-2: 1-3 frames in the packet, each with equal compressed size</t>
@@ -349,12 +349,12 @@
<organization /></author>
<author initials='C.' surname='Montgomery' fullname='C. Montgomery'>
<organization /></author>
-<date year='2009' month='July' />
+<date year='2010' month='July' />
<abstract>
<t></t>
</abstract></front>
-<seriesInfo name='Internet-Draft' value='draft-valin-celt-codec-01' />
-<format type='TXT' target='http://tools.ietf.org/html/draft-valin-celt-codec-01' />
+<seriesInfo name='Internet-Draft' value='draft-valin-celt-codec-02' />
+<format type='TXT' target='http://tools.ietf.org/html/draft-valin-celt-codec-02' />
</reference>
<reference anchor='DOS'>