draft-ietf-xrblock-rtcp-xr-loss-conceal-08.txt   draft-ietf-xrblock-rtcp-xr-loss-conceal-09.txt 
Audio/Video Transport Working Group A. Clark Audio/Video Transport Working Group A. Clark
Internet-Draft Telchemy Internet-Draft Telchemy
Intended status: Standards Track G. Zorn, Ed. Intended status: Standards Track G. Zorn, Ed.
Expires: January 11, 2014 Network Zen Expires: July 10, 2014 Network Zen
C. Bi C. Bi
STTRI STTRI
Q. Wu, Ed. Q. Wu, Ed.
Huawei Huawei
July 10, 2013 January 6, 2014
RTCP XR Report Block for Concealment metrics Reporting on Audio RTCP XR Report Block for Concealment metrics Reporting on Audio
Applications Applications
draft-ietf-xrblock-rtcp-xr-loss-conceal-08.txt draft-ietf-xrblock-rtcp-xr-loss-conceal-09.txt
Abstract Abstract
This document defines two RTCP XR Report Blocks that allows the This document defines two RTCP XR Report Blocks that allows the
reporting of concealment metrics for audio applications of RTP. reporting of concealment metrics for audio applications of RTP.
Status of this Memo Status of this Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
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Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 11, 2014. This Internet-Draft will expire on July 10, 2014.
Copyright Notice Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the Copyright (c) 2014 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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6.2. New RTCP XR SDP Parameters . . . . . . . . . . . . . . . . 17 6.2. New RTCP XR SDP Parameters . . . . . . . . . . . . . . . . 17
6.3. Contact information for registrations . . . . . . . . . . 17 6.3. Contact information for registrations . . . . . . . . . . 17
7. Security Considerations . . . . . . . . . . . . . . . . . . . 18 7. Security Considerations . . . . . . . . . . . . . . . . . . . 18
8. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 19 8. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 19
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 20 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 20
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 21 10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.1. Normative References . . . . . . . . . . . . . . . . . . . 21 10.1. Normative References . . . . . . . . . . . . . . . . . . . 21
10.2. Informative References . . . . . . . . . . . . . . . . . . 21 10.2. Informative References . . . . . . . . . . . . . . . . . . 21
Appendix A. Metrics represented using RFC6390 Template . . . . . 22 Appendix A. Metrics represented using RFC6390 Template . . . . . 22
Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 29 Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 29
B.1. draft-ietf-xrblock-rtcp-xr-loss-conceal-07 . . . . . . . . 29 B.1. draft-ietf-xrblock-rtcp-xr-loss-conceal-09 . . . . . . . . 29
B.2. draft-ietf-xrblock-rtcp-xr-loss-conceal-06 . . . . . . . . 29 B.2. draft-ietf-xrblock-rtcp-xr-loss-conceal-07 . . . . . . . . 29
B.3. draft-ietf-xrblock-rtcp-xr-loss-conceal-05 . . . . . . . . 29 B.3. draft-ietf-xrblock-rtcp-xr-loss-conceal-06 . . . . . . . . 29
B.4. draft-ietf-xrblock-rtcp-xr-loss-conceal-04 . . . . . . . . 29 B.4. draft-ietf-xrblock-rtcp-xr-loss-conceal-05 . . . . . . . . 29
B.5. draft-ietf-xrblock-rtcp-xr-loss-conceal-04 . . . . . . . . 29
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 30 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 30
1. Introduction 1. Introduction
1.1. Loss Concealment and Concealment Seconds Metrics Reporting Block 1.1. Loss Concealment and Concealment Seconds Metrics Reporting Block
At any instant, the audio output at a receiver may be classified as At any instant, the audio output at a receiver may be classified as
either 'normal' or 'concealed'. 'Normal' refers to playout of audio either 'normal' or 'concealed'. 'Normal' refers to playout of audio
payload received from the remote end, and also includes locally payload received from the remote end, and also includes locally
generated signals such as announcements, tones and comfort noise. generated signals such as announcements, tones and comfort noise.
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* Use and applications: See section 1.4 [RFCXXXX]. * Use and applications: See section 1.4 [RFCXXXX].
* Reporting model: See RFC3611. * Reporting model: See RFC3611.
Appendix B. Change Log Appendix B. Change Log
Note to the RFC-Editor: please remove this section prior to Note to the RFC-Editor: please remove this section prior to
publication as an RFC. publication as an RFC.
B.1. draft-ietf-xrblock-rtcp-xr-loss-conceal-07 B.1. draft-ietf-xrblock-rtcp-xr-loss-conceal-09
The following are the major changes to previous version :
o Only Version Number changes.
B.2. draft-ietf-xrblock-rtcp-xr-loss-conceal-07
The following are the major changes to previous version : The following are the major changes to previous version :
o Change units for threshold and units used for reporting in loss o Change units for threshold and units used for reporting in loss
concealment block and concealment seconds block. concealment block and concealment seconds block.
o Change 16bit "Mean Playout Interrupt Size" into 32bits. o Change 16bit "Mean Playout Interrupt Size" into 32bits.
B.2. draft-ietf-xrblock-rtcp-xr-loss-conceal-06 B.3. draft-ietf-xrblock-rtcp-xr-loss-conceal-06
The following are the major changes to previous version : The following are the major changes to previous version :
o Comments in the WGLC are addressed in this version. o Comments in the WGLC are addressed in this version.
B.3. draft-ietf-xrblock-rtcp-xr-loss-conceal-05 B.4. draft-ietf-xrblock-rtcp-xr-loss-conceal-05
The following are the major changes to previous version : The following are the major changes to previous version :
o Add text to clarify the definition of enhanced method. o Add text to clarify the definition of enhanced method.
o Add appendix to apply RFC6390 template to the metrics. o Add appendix to apply RFC6390 template to the metrics.
B.4. draft-ietf-xrblock-rtcp-xr-loss-conceal-04 B.5. draft-ietf-xrblock-rtcp-xr-loss-conceal-04
The following are the major changes to previous version : The following are the major changes to previous version :
o Merge Concealment Seconds draft into this draft (i.e.,Loss o Merge Concealment Seconds draft into this draft (i.e.,Loss
Concealment draft). Concealment draft).
o Updated references. o Updated references.
Authors' Addresses Authors' Addresses
 End of changes. 10 change blocks. 
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