{"draft":"draft-ietf-avtext-client-to-mixer-audio-level-06","doc_id":"RFC6464","title":"A Real-time Transport Protocol (RTP) Header Extension for Client-to-Mixer Audio Level Indication","authors":["J. Lennox, Ed.","E. Ivov","E. Marocco"],"format":["ASCII","HTML"],"page_count":"9","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Audio\/Video Transport Extensions RAI","abstract":"This document defines a mechanism by which packets of Real-time\r\nTransport Protocol (RTP) audio streams can indicate, in an RTP header\r\nextension, the audio level of the audio sample carried in the RTP\r\npacket.  In large conferences, this can reduce the load on an audio\r\nmixer or other middlebox that wants to forward only a few of the\r\nloudest audio streams, without requiring it to decode and measure\r\nevery stream that is received.  [STANDARDS-TRACK]","pub_date":"December 2011","keywords":["[--------]","ssrc-audio-level","ssrc","speech","sound","energy","conference","bridge"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC6464","errata_url":null}