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-13.txt
Pages : 329
Date : 2012-05-15
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.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-codec-opus-13.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-codec-opus-13.txt
The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-codec-opus/
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