A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Real-Time Transport Protocol (RTP) Extension Header for Audio Level Indication
Author(s) : J. Lennox
Filename : draft-lennox-avt-rtp-audio-level-exthdr-00.txt
Pages : 7
Date : 2009-06-17
This document defines a mechanism by which packets of Real-Time
Transport Protocol (RTP) audio streams can indicate, in an RTP
extension header, the audio level of the audio sample carried in the
RTP packet. In large conferences, this can reduce the load on an
audio mixer or other middlebox which wants to forward only a few of
the loudest audio streams, without requiring it to decode and measure
every stream that is received.
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http://www.ietf.org/internet-drafts/draft-lennox-avt-rtp-audio-level-exthdr-00.txt
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