Commit 4e777532 authored by Jean-Marc Valin's avatar Jean-Marc Valin
Browse files

Renamed to Opus

And updated CELT
parent 38f4e9ff
celt @ 4d2d9fc9
Subproject commit 8226ac083ea19f57b69e863251fe487228bc2925
Subproject commit 4d2d9fc9e6feb7060589664af5855c9ef762bc89
......@@ -2,10 +2,10 @@
<!DOCTYPE rfc SYSTEM 'rfc2629.dtd'>
<?rfc toc="yes" symrefs="yes" ?>
<rfc ipr="trust200902" category="std" docName="draft-ietf-codec-harmony-00">
<rfc ipr="trust200902" category="std" docName="draft-ietf-codec-opus-00">
<front>
<title abbrev="Interactive Audio Codec">Definition of the Harmony Audio Codec</title>
<title abbrev="Interactive Audio Codec">Definition of the Opus Audio Codec</title>
<author initials="JM" surname="Valin" fullname="Jean-Marc Valin">
......@@ -39,7 +39,7 @@
</author>
<date day="24" month="September" year="2010" />
<date day="15" month="October" year="2010" />
<area>General</area>
......@@ -47,7 +47,7 @@
<abstract>
<t>
This document describes the Harmony codec, designed for interactive speech and audio
This document describes the Opus codec, designed for interactive speech and audio
transmission over the Internet.
</t>
</abstract>
......@@ -57,7 +57,7 @@ transmission over the Internet.
<section anchor="introduction" title="Introduction">
<t>
We propose the Harmony codec based on a linear prediction layer (LP) and an
We propose the Opus codec based on a linear prediction layer (LP) and an
MDCT-based enhancement layer. The main idea behind the proposal is that
the speech low frequencies are usually more efficiently coded using
linear prediction codecs (such as CELP variants), while the higher frequencies
......@@ -78,7 +78,7 @@ In this proposed prototype, the LP layer is based on the
<t>This is a work in progress.</t>
</section>
<section anchor="hybrid" title="Harmony Codec">
<section anchor="hybrid" title="Opus Codec">
<t>
In hybrid mode, each frame is coded first by the LP layer and then by the MDCT
......@@ -290,7 +290,7 @@ audio stream must not cause the encoder to misbehave because this would
allow an attacker to attack transcoding gateways.
</t>
<t>
In its current version, the Harmony codec likely does NOT meet these
In its current version, the Opus codec likely does NOT meet these
security considerations, so it should be used with caution.
</t>
</section>
......
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