A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Internet Wideband Audio Codec Working Group of the IETF.
Title : Definition of the Opus Audio Codec
Author(s) : Jean-Marc Valin
Koen Vos
Timothy B. Terriberry
Filename : draft-ietf-codec-opus-15.txt
Pages : 330
Date : 2012-06-18
Abstract:
This document defines the Opus interactive speech and audio codec.
Opus is designed to handle a wide range of interactive audio
applications, including Voice over IP, videoconferencing, in-game
chat, and even live, distributed music performances. It scales from
low bitrate narrowband speech at 6 kb/s to very high quality stereo
music at 510 kb/s. Opus uses both linear prediction (LP) and the
Modified Discrete Cosine Transform (MDCT) to achieve good compression
of both speech and music.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-codec-opus
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-codec-opus-15
A diff from previous version is available at:
http://tools.ietf.org/rfcdiff?url2=draft-ietf-codec-opus-15
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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