Skip to content
GitLab
Projects
Groups
Snippets
/
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Menu
Open sidebar
Tim-Philipp Müller
Opus
Commits
a7455ca2
Commit
a7455ca2
authored
Sep 24, 2010
by
Jean-Marc Valin
Browse files
Name changed to "Harmony"
parent
f8a4d044
Changes
1
Hide whitespace changes
Inline
Side-by-side
doc/draft-ietf-codec-
descripti
on.xml
→
doc/draft-ietf-codec-
harm
on
y
.xml
View file @
a7455ca2
...
...
@@ -2,10 +2,10 @@
<!DOCTYPE rfc SYSTEM 'rfc2629.dtd'>
<?rfc toc="yes" symrefs="yes" ?>
<rfc
ipr=
"trust200902"
category=
"std"
docName=
"draft-ietf-codec-
descripti
on-00"
>
<rfc
ipr=
"trust200902"
category=
"std"
docName=
"draft-ietf-codec-
harm
on
y
-00"
>
<front>
<title
abbrev=
"Interactive Audio Codec"
>
Definition of the
IETF Interactive
Audio Codec
</title>
<title
abbrev=
"Interactive Audio Codec"
>
Definition of the
Harmony
Audio Codec
</title>
<author
initials=
"JM"
surname=
"Valin"
fullname=
"Jean-Marc Valin"
>
...
...
@@ -39,7 +39,7 @@
</author>
<date
day=
"
10
"
month=
"September"
year=
"2010"
/>
<date
day=
"
24
"
month=
"September"
year=
"2010"
/>
<area>
General
</area>
...
...
@@ -47,7 +47,7 @@
<abstract>
<t>
This document describes
a
codec designed for interactive speech and audio
This document describes
the Harmony
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
a hybrid
codec based on a linear prediction layer (LP) and an
We propose
the Harmony
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=
"H
ybrid
Codec"
>
<section
anchor=
"hybrid"
title=
"H
armony
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, th
is prototype
codec likely does NOT meet these
In its current version, th
e Harmony
codec likely does NOT meet these
security considerations, so it should be used with caution.
</t>
</section>
...
...
Write
Preview
Supports
Markdown
0%
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment