Skip to main content

RTP Payload Format for Standard apt-X and Enhanced apt-X Codecs

Document Type Replaced Internet-Draft (individual)
Expired & archived
Authors John Lindsay, Hartmut Foerster
Last updated 2013-03-13 (Latest revision 2012-11-28)
Replaced by RFC 7310
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-payload-rtp-aptx
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document specifies a scheme for packetizing Standard apt-X, or Enhanced apt-X, encoded audio data into Real-time Transport Protocol (RTP) packets. The document describes a payload format that permits transmission of multiple related audio channels in a single RTP payload, and a means of establishing Standard apt-X and Enhanced apt-X connections through the Session Description Protocol (SDP).


John Lindsay
Hartmut Foerster

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)