Ad hoc groups

Download the current ad hoc group rules for MPEG AGs and WGs here:

Ad hoc groups of MPEG 133

NameAHG on Video Coding for Machines
Mandates
1. Disseminate the CfE, solicit participation and responses to the CfE
2. Prepare for evaluation and review responses to the CfE
3. Create and evaluate additional anchors
4. Collect additional test data sets, ground truth 
5. Collect evidence on the level of achievability of combined human/machine-oriented video representation and compression
6. Encourage experts to provide feature stream codecs
7. Encourage experts to provide uncompressed bitstream from feature extractor
Chairmen
Yuan Zhang (China Telecom) zhangy666@chinatelecom.cn 
Manouchehr Rafie (GTI) m.rafie@gyrfalcontech.com
Shan Liu (Tencent) shanl@tencent.com
Duration
Until the 134th MPEG meeting
Reflector(s)
mpeg-vcm@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-vcm
Meeting
One conference call one month before the MPEG 134 (time to be announced)
Thursday 1230 - 1430, 1500 - 1700 UTC before MPEG
Friday 1230 - 1430, 1500 - 1700 UTC before MPEG
Room Size
100

NameAhG on MPEG & 5G
Mandates
1. Study of 5G use cases, requirements, specifications and new work items that could be relevant to MPEG work.
2. Identify potential new MPEG activities that can help the industry deploy applications, including media services, over 5G.
3. Provide initial requirements for the identified new MPEG activities.
4. Define focused use cases in the area of indoor and outdoor spatial information storage, sharing, mapping, localization, etc. and define requirements in order to identify relevant standards and missing technologies.
5. Solicit inputs to increase awareness about typical MPEG media bit rates and traffic characteristics for 3GPP Extended Reality (XR) applications and services.
Chairmen
Igor D.D. Curcio (Nokia) igor.curcio@nokia.com
Ozgur Oyman (Intel) Ozgur.oyman@intel.com
Emmanuel Thomas (TNO) emmanuel.thomas@tno.nl
Duration
Until MPEG 134
Reflector(s)
mpeg-and-5g@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-and-5g
Meeting
One conference call to be announced
Room Size

NameAHG on Haptics Support in MPEG
Mandates
1. Complete test platform selection, test content validation, and Test Lab selection/onboarding by April 15, 2021
2. Update CfP for final issuance at MPEG134 (April 2021)
3. Update Submissions and Evaluation Procedures and CE Methodology for final issuance at MPEG134 (April 2021)
4. Study tests, test platforms, and test content options for Phase 2 CfP (Advanced Haptics)
Chairmen
Yeshwant Muthusamy (Immersion Corporation) ymuthusamy@immersion.com
Philippe Guillotel (InterDigital Corporation) philippe.guillotel@interdigital.com
Duration
Until MPEG 134
Reflector(s)
mpeg-haptics@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-haptics
Meeting
Weekly calls (2 h duration) starting Jan 26th, 2021 at 1400 UTC. Dial-in details to be provided.
Room Size

NameAhG on MPEG Roadmap
Mandates
1. Update the MPEG roadmap in different formats (Word, long PPT, short PPT, video) according to the periodical schedule. 
2. Update the roadmap presentation layout to a more descriptive form.
3. Coordinate with AG3 on the communications plan for the roadmap.
4. Explore how to publish information on the ISO sites 
5. Study how to extract the relevant roadmap information from the Mission Control function of the MPEG Document System and the ISO site. 
6. Study a process to fetch roadmap information from members of the WGs.
Chairmen
Igor D.D. Curcio (Nokia) igor.curcio@nokia.com
Arianne Hinds (Tencent) ahinds@tencent.com
Sachin Deshpande (Sharp) sdeshpande@sharplabs.com
Duration
Until MPEG 134
Reflector(s)
mpegvision@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpegvision
Meeting
One conference call to be announced
Room Size

NameAhG on Smart Contracts for Media
Mandates
1. Update MPEG XML & RDF media contracts doc (N19505) wrt:
   • registration of works, manifestations, and instances
   • exploitation of works (on-demand streaming, digital sale, and radio broadcast)

2. Produce a demonstration including GUIs for selecting a predefined CEL/MCO media contract template (on-demand streaming, digital sale, and radio broadcast), inserting metadata, and converting it to smart contract executed on a blockchain

3. Populate MPEG software repository with API data structures in JSON for MCO/RDF and Python for CEL/XML, as well as all modules necessary for MPEG XML and RDF media contracts to smart contracts conversion and vice versa

4. Validate the API, for converting MPEG XML and RDF media contracts to smart contracts and vice versa, beyond Solidity (e.g., Go, Move)

5. Produce ‘Improvements of ISO/IEC CD 21000-23 on terminology, workflow descriptions, architecture, and API’ based on technical and editorial contributions.
Chairmen
Panos Kudumakis and Xin Wang
Duration
Until the 134th MPEG meeting
Reflector(s)
smart-contracts@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/smart-contracts
Meeting
Biweekly calls starting Thu 28 Jan. 2021, all at 14:00 UTC (2 h)
Room Size

NameAHG on Application Formats
Mandates
CMAF (Common Media Application Format)
1. Study the TuC/DuI and the Exploration documents and solicit further input
2. Clarify the text regarding edit list
3. Study the use of ISOBMFF type combination and supplemental brands
4. Solicit feedback on the CD of Amd2
5. Solicit further contributions on CMAF conformance and test vectors
6. Solicit feedback on the open issues on GitHub and GitLab 

MIAF (Multi-Image Application Format)
1. Study conformance and reference software for MIAF 
2. Solicit further feedback on DAM2 for MIAF HEVC Advanced HDR profile and other clarifications
3. Solicit feedback on the open issues on GitHub and GitLab
Chairmen
Krasimir Kolarov; Cyril Concolato
Duration
until 134th meeting
Reflector(s)
CMAF - mpeg-cmaf@lists.aau.at
MIAF, VIAF - mpeg-maf-dev@lists.aau.at
Subscribe
CMAF - https://lists.aau.at/mailman/listinfo/mpeg-cmaf
MIAF, VIMAF - https://lists.aau.at/mailman/listinfo/mpeg-maf-dev
Meeting
Room Size
AF Conference call, April 22, 2021, 17:00-19:00 CET

NameAhG on Quality of Immersive Visual Media
Mandates
1. Study Draft Overview of Quality Metrics and Methodologies for Immersive Visual Media (AG 05/N00013).
2. Solicit inputs for exploration experiments on subjective evaluation methods and objective metrics for immersive video (360, MIV, V-PCC, G-PCC).
3. Study existing solutions and solicit inputs related to the quality of immersive media.
4. Study related activities within MPEG (e.g., OMAF, MIV, V-PCC, G-PCC, VQA).
Chairmen
Christian Timmerer (AAU/Bitmovin), Joel Jung (Tencent), Aljosa Smolic (Trinity College Dublin)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-vqa@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/
Meeting
Online Meeting: Apr 13, 2021, 13:00 UTC
Room Size

NameAhG on Data Compression
Mandates
Short term
1. Search existing lossless and lossy compression tools (e.g, documentation and software) for generic compression (e.g., GZIP)
2. Assess the possibility to be standardized in MPEG and execute if feasible
3. Study how streaming/multiplexing of compressed data with other compressed data or other data can be technically realized
4. Explore through informal contacts with IETF representatives their standardization process for lossless compression algorithms (GZIP and others).
5. Explore how to generate an ISO standard for the LZMA algorithm from the MPEG-G standard.

Long term 
6. Study how to develop more generic (and self-configurable) compression tools
7. Study how to expand into other industrial sectors (machineries, health, etc.)
Chairmen
Euee S. Jang (Hanyang University, KR)
Duration
Until the next WG2 meeting (April 2021)
Reflector(s)
mpeg-dc@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-dc
Meeting
Room Size

NameAhG on G-PCC
Mandates
1.	Improve documentation material for G-PCC
2.	Update the TMs (SW and documentation) during the editing period
3.	Update G-PCC Conformance bitstream and G-PCC Reference SW 
4.	Update the CTC and provide updated anchor points
5.	Conduct the G-PCC experiments for future enhancements
6.	Solicit contributions on additional G-PCC use cases
7.	Coordinate activities on evaluating the current G-PCC specifications against requirements
8.	Coordinate scientific and technical dissemination of G-PCC
9.	Coordinate communications of G-PCC to fairs, exhibitions, workshops, webinars, and enrich www.mpeg-pcc.org with relevant information about G-PCC, enrich Wikipedia pages on PCC
10.	Solicit additional data sets for all categories
11.	Solicit contributions to encapsulate G-PCC in scene graph
12.	Solicit contributions on next generation compression technology
13. Review the categorization of the point cloud content
Chairmen
Ohji Nakagami (Chair), Toshiyasu Sugio, Sebastien Lasserre
Duration
Until the 3rd MPEG WG7 Meeting
Reflector(s)
mpeg-3dgc AT gti. ssr. upm. es
Subscribe
To subscribe, send email to https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc
Meeting
Several online sessions before the next MPEG meeting.
Room Size
online

NameAHG on MPEG DASH
Mandates
1. Study and improve Part 1 CDAM2 (WG3 N00132) and Part 8 CDAM1 WD (N00160)
2. Study technologies under consideration (TuC; WG3 N00100) and defect under investigation (DuI; WG3 N00140)
3. Continue to work on conformance and reference software
4. Develop and improve the XML schema to comply to the draft of 5th edition (WG3 N00140).
5. Seek contributions for the impact of dynamic switching in the decoder's HRD model and if DASH signalling can avoid possible problems.
Chairmen
Iraj Sodagar, Christian Timmerer, Ali C. Begen
Duration
Until the next MPEG meeting
Reflector(s)
dash@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/dash
Meeting
Conf call:
   o April 23, 16-17:30 UTC, 9:00-10:30 AM PDT: Preparation call for MPEG#133
      Zoom link: https://iso.zoom.us/j/4158105690?pwd=UEZHaUx5TU11WXNVY21ubTRpUG5zQT09 
      (password: DASH)
Room Size

NameAhG on IoMT
Mandates
1.	Study and prepare the input for Part 4
2.	Solicit contributions on IoMT technologies and use cases for interfaces with IoMT System Manager (interface 1) 
3.	Solicit contributions on IoMT technologies and use cases for additional characteristics to be used by external services/systems (interface 3)
4.	Explore technologies to describe tasks performed by MThings
5.	Solicit contributions for future extensions of the IoMT standards including mission control and smart contracts
Chairmen
Mihai Mitrea, Sang-Kyun Kim, Sungmoon Chun
Duration
Until the 3nd MPEG WG7 Meeting
Reflector(s)
MIoTW@lists.aau.at
Subscribe
http://lists.uni-klu.ac.at/mailman/options/MIoTW
Meeting
Friday before the MPEG meeting 
7:30am to 9:30am UTC
Room Size

NameAhG on Network-Based Media Processing
Mandates
1. Improve the CDAM2 (WG03 N00161) and TuC (WG N00112)
2. Improve and update NBMP Implementation Guidelines (WG03 N00XXX) including  aligning it with NBMP FDIS and DAM1
3. Solicit inputs on the conformance software and test vectors, and develop a work plan for them.
4. Develop the plan for collaboration with other relevant SDOs, e.g., 3GPP SA4, ATSC, ETSI MEC, and OpenStack Foundation
5. Solicit new NBMP use-cases and applications for the future development of the standard
Chairmen
Kyungmo Park (SK Telecom), and Iraj Sodagar (Tencent)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-nbmp@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-nbmp
Meeting
no meetings
Room Size

NameAhG on Omnidirectional MediA Format (OMAF)
Mandates
1)	Study the possible future amendments and editions for OMAF 
2)	Study OMAFv1 reference software and conformance and solicit contributions on missing parts
3)	Preparation of OMAFv2 reference software and conformance
4)	Handle any possible defect report/ corrigenda for 23090-2 2nd edition
5)	Solicit contributions to identify common metadata of 23090-2 and 23090-10
6)	Maintain relationship with relevant SDOs, e.g. VRIF, 3GPP SA4
Chairmen
Sachin Deshpande, Ye-Kui Wang, Youngkwon Lim
Duration
Until next WG3 meeting (April 2021)
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Meetings on Friday before WG3 April 2021 meeting (as required):  5:00 PM to 7:00 PM, 7:15 PM - 9:15 PM CEST (via zoom) (with possibility to add two hours additional AHG meeting time with 2-week notice).
Room Size

NameAHG on MPEG File Formats
Mandates
1.	Support the groups using the file formats (including audio, DASH, CMAF, OMAF, MORE, MIAF, PCC, NBMP et al.)
2.	Study the Technologies under Consideration and Working Draft documents and propose improvements. Study the defect reports and propose corrigendum text.
3.	Study color properties in ISO/IEC 23008-12 (Image file format) and propose improvements.
4.	Study the exploration of uncompressed video support, and propose improvements and ways ahead.
5.	Study the use of T.35 as an extension mechanism.
6.	Study the possible application of Derived Volumetric Visual tracks, matching Derived Visual Tracks that are under way.
7.	Study the proposed clarifications on the definition of brands, particularly in the ISO base media file format, and suggest improvements.
8.	Study the support for progressive refinement output in HEIF and propose improvements.
9.	Study the technical gaps for handling the presentation of multi-layer VVC files (independent layers stored in single track or multiple tracks) in existing applications and interfaces, e.g. HTML 5MSE, mobile OS media API and native applications (GPAC, ffplay, VLC, etc...).
10.	Maintain and update the conformance streams, reference software, white papers and one-pagers, and registration authority, as needed. Study whether conformance checking can be (maybe partially) automated using Kaitai and how the specifications and conformance can be managed as a coordinated workflow. 
11.	Check the specifications for unregistered MIME types and parameters and start registering them. Audit files as needed for the MP4RA.
Chairmen
David Singer (Apple) and Per Fröjdh (Ericsson)
Duration
Until next meeting
Reflector(s)
mp4-sys@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mp4-sys and https://github.com/MPEGGroup/FileFormat
Meeting
Room Size

NameAhG on Market Needs
Mandates
1. To collect member input on the scope of market needs that may be taken into consideration when developing MPEG requirements.
2. To collect member input on a process for assessing and verifying claimed needs.
3. To collect member input on how the MPEG requirement-setting process could reflect market needs.
4. To compile collected input and prepare a summary report for the next WG2 meeting.
Chairmen
Justin Ridge (Nokia), Gilles Teniou (Tencent)
Duration
Until MPEG 134
Reflector(s)
mpeg-market@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-market
Meeting
Meeting on the friday before the next MPEG meeting.
Room Size

NameAHG on Font Format
Mandates
1. Review and discuss the text of Working Draft amendment of ISO/IEC 14496-22:2019_AMD2 to review and update COLR v1 data structure descriptions.
2. Discuss clarifications and updates to other parts of the OFF specification, and submit AHG recommendations for proposed changes to address identified technical issues.
Chairmen
Vladimir Levantovsky
Duration
Until 3rd (April 2021) SC29/WG3 (MPEG Systems) meeting.
Reflector(s)
mpeg-otspec@lists.aau.at; https://github.com/MPEGGroup/OpenFontFormat
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-otspec
Meeting
Zoom conference call may be held, if necessary (detail information will be announced to the AHG reflector)
Room Size

NameAhG on Future Capabilities of MPEG-I
Mandates
1. Document commercially deployed methods for distributing content to immersive displays that are currently available.
2. Document the usage of different neural networks that impact the workflow for the media used for immersive displays.
3. Begin to document a systems-level architecture for ingest, adaptation, and distribution of media to immersive displays.
4. Document one or more end-to-end workflows of the media from production to consumption.
5. Continue to refine the relevant output document reports that are issued from MPEG 133 (especially M56223 for use cases and technologies,  and M56221 for requirements). These reports (M56223 and M56221) shall be made available to all members of the AhG so that all members have an opportunity to contribute toward fulfilling this mandate.
6. Continue to gather use cases and requirements (related to #5) for the production, post-production, distribution, and consumption of media for immersive displays.
7. Consider drafting a presentation that would provide an overview of what is learned to date about distributing immersive media to immersive displays. Consider requesting that a workshop be scheduled during MPEG 134 online to present our current findings to all MPEG members.
8. Continue to solicit the participation of and engage the ecosystem stakeholders.
9. Produce a second version of the TR of 23090-1.
Chairmen
Arianne T. Hinds (Tencent America), Peter Lude (CableLabs), Thomas Alder (OTOY)
Duration
until the start of MPEG 134
Reflector(s)
mpeg-i-exploration@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-exploration
Meeting
Bi-weekly calls starting on Thursdays for 90 minutes at the following times:
0700 to 0830 Pacific, 1000 to 1130 Eastern, 1600 to 1730 CET/CEST
On the following dates
21 January 2021
04 February 2021
18 February 2021
04 March 2021
18 March 2021
01 April 2021
15 April 2021
Room Size
N/A
A final AhG meeting immediately prior to MPEG 134 held for 180 minutes on 22 April 2021 starting at the following times:
0700 to 1000 Pacific, 1000 to 1300 Eastern, 1600 to 1900 CET
All meetings by Zoom teleconference at:

https://us02web.zoom.us/j/87411478755?pwd=WFExZVVzTXpoZmlnZW5tMEt1ZmFPZz09

NameAhG on MPEG-UD
Mandates
1) Solicit new technologies and use cases
2) Reflect the NB comments into the DIS of MPEG-21 UD 3rd edition
Chairmen
S. Joo, M. Mitrea
Duration
Until 134th MPEG Meeting
Reflector(s)
user@lists.aau.at
Subscribe
http://lists.uni-klu.ac.at/mailman/options/user
Meeting
Sun before meeting, at 5am UTC
Room Size

NameAHG on Systems Technologies for V3C and G-PCC
Mandates
1. Study and solicit contributions to improve 23090-10 and 23090-18 
2. Discuss open issues in MPEG Git (http://mpegx.int-evry.fr/software/MPEG/Systems/PCC-SYS) and propose recommended dispositions
3. Study initial ideas on reference software and conformance (WG03N0000) and solicit contribution to develop a workplan 
4. Study MPEG-I system decoder architecture and solicit contributions to improve it.
Chairmen
Youngkwon Lim, Lauri Ilola
Duration
Until the 3rd MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
- conference call in every 2-3 weeks (detail information will be announced to the gen-sys reflector)
Room Size

NameAHG on Video Decoding Interface
Mandates
1. To study WD and solicit contributions to improve it
2. To disseminate to JVET the WD of Video Decoding Interface for Immersive Media
3. To study development of VVC and VSEI (ISO/IEC 23090-3 and 23002-7) and solicit contributions to improve the proposed input formatting library on gitlab
4. To solicit open source implementation of OpenMAX or MSE to be used as a starting point of implementation of VDI extensions.  
5. To analyze the capabilities of existing Video Decoding Interfaces (e.g., Khronos OpenMAX) and the features of video coding specification (e.g. HEVC, EVC, VVC) against the Requirements for Immersive Media Access and Delivery in WG11N18767 and identify the relevant gaps and necessary features to be worked on.
6. To manage software development projects
Chairmen
Youngkwon Lim, Emmanuel Thomas, Thomas Stockhammer
Duration
Until the 3rd MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/gen-sys
Meeting
-	One conference call in each month
(detail information will be announced to the gen-sys reflector)
Room Size

NameAHG on Systems Functionalities for Video Conformance
Mandates
1.	Continue to collect systems-relevant use cases based on the template in document WG3 N00131.
2.	Define video bitstream conformance requirements based on these functionalities.
3.	Define encoding requirements guidelines to support these system functionalities
4.	Extract system signaling requirements for ISO BMFF, DASH and CMAF to support these functionalities
5.	Define systems client processing operations to support these functionalities.
6.	Collaborate and solicit input from external organizations, in particular including DASH-IF, CTA WAVE and DVB.
7.	Collaborate with MPEG video and JVET on this matter
Chairmen
Thomas Stockhammer, Ye-Kui Wang, Yuriy Reznik
Duration
Until MPEG134
Reflector(s)
systems4video@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/systems4video
Meeting
Conference Calls
 •	Friday February 26, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
  o	Submission deadline February 24, 2021 23 UTC 
 •	Friday March 12, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
  o	Submission deadline March 10, 2021 23 UTC 
 •	Friday March 26, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
  o	Submission deadline March 24, 2021 23 UTC 
 •	Friday April 23, 2021 15:00 – 16:00 UTC (17:00 – 18:00 CEST)

Logistics
 •	Zoom: http://iso.zoom.us/my/stockhammer, Passwd the one from MPEG#133

If MPEG#134 repository is not yet available, use MPEG#133 repository.

Calendar
 •	Subscription link for MPEG AHG Calls: http://mpeg.expert/live/nextcloud/remote.php/dav/public-calendars/HAwkATGsmc5bN3Qy?export
 •	Public link for MPEG AHG Calls: http://mpeg.expert/live/nextcloud/index.php/apps/calendar/p/HAwkATGsmc5bN3Qy
Room Size

NameAHG on MPEG-I Scene Description
Mandates
1.	Complete the analysis of the capabilities of glTF2.0 and the agreed MPEG Extensions against the requirements for MPEG-I Scene description (N00122)
2.	Harmonize with the MPEG-I 3DG/video/systems work and integrate video/3D/systems relevant metadata into the Scene Description.
3.	Collect/coordinate test assets that support the development of the MPEG-I Scene description work according to clause 5 of N00121.
4.	Study the open issues in the TuC (N00120) and provide input for potential improvement for MPEG-I Scene description
5.	For each technology in the CD (N00119) and the TuC (N00120), identify if it fulfills the requirements in N00122, clause 6 and if not, progress the relevant aspects, including specification text, reference software and test scenarios.
6.	Collect a list of advanced audio functionalities in N00121 that we expect to be supported in future phases and map this to MPEG-I audio at appropriate time.
7.	Collect relevant MPEG media types and add those to the registered media type in an update to N00119.
8.	Validate all reference software branches, merge them into a single branch and improve the description of the reference software.
9.	Prepare a WD on Conformance Tools and Reference software for MPEG-I Scene Description.
10.	Monitor ongoing scene description related work in the industry and in other groups and organizations, in particular Khronos and continue the collaboration with Khronos
Chairmen
Thomas Stockhammer (tsto@qti.qualcomm.com)
Mary-Luc Champel (champelmaryluc@xiaomi.com)
Ozgur Oyman (ozgur.oyman@intel.com)
Duration
Until MPEG134
Reflector(s)
mpeg-i-scene@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-scene
 
Please check gitlab discussions here:
http://mpegx.int-evry.fr/software/MPEG/SceneDescription/MPEG-Contributions/issues
Meeting
• Dates
    -	Monday February 15, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
   	     Submission deadline February 11, 23:00 UTC
    -	Monday March 1, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
   	     Submission deadline February 25, 23:00 UTC
    -	Monday March 15, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET)
   	     Submission deadline March 11, 23:00 UTC
    -	Monday March 29, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
   	     Submission deadline March 25, 23:00 UTC
    -	Monday April 12, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
   	     Submission deadline April 8, 22:00 UTC
    -	Friday April 23, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
• Logistics
    -	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#134
    -	Chairs create issue in gitlab to collect comments.
    -	If MPEG#134 repository is not yet available, use MPEG#133 repository.
• Calendar
    -	Subscription link for MPEG AHG Calls: http://mpeg.expert/live/nextcloud/remote.php/dav/public-calendars/HAwkATGsmc5bN3Qy?export
    -	Public link for MPEG AHG Calls: http://mpeg.expert/live/nextcloud/index.php/apps/calendar/p/HAwkATGsmc5bN3Qy
Room Size

NameAhG on MPEG Media Transport
Mandates
1.Execute the work plan on the conformance including aligning it with MMT 3rd edition and DAM2
2.Solicit inputs on the conformance software and test vectors
3.Study WD and the documents related to MMT, FEC, MPEG-CI and MMT-IG. 
4.Work on the CE on Hyper Media/ 5G MEC use cases and requirements for MMT extension
5.Keep relevant SDOs informed MMT (ITU-T SG16, ATSC, 3GPP, ARIB, etc.,)
Chairmen
Kyungmo Park (SK Telecom)
Duration
Until the next MPEG meeting
Reflector(s)
MMT-TNT@listserv.uni-hannover.de
Subscribe
MMT-TNT-request@listserv.uni-hannover.de
Meeting
No meeting
Room Size

NameAHG on Encoder and Packager Synchronization
Mandates
1. Study the exploration document and collect use cases and requirements
2. Collaborate with the DASH-IF in the context of the new ingest specification
3. Discuss the issues on MPEG GitLab page under MPEG>Systems and the DASH-IF GitHub (see m56186)
Chairmen
Alex Giladi
Ali C. Begen
Duration
Until the 134th MPEG meeting
Reflector(s)
synched-encoding@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/synched-encoding
Meeting
None
Room Size

NameAHG on Compression of Neural Networks for Multimedia Content Description and Analysis
Mandates
1. Maintain data sets and NCTM
2. Study the DIS and improve the test model
3. Continue analyzing the state of the art in NN compression and exchange formats 
4. Continue interaction with SC42, FG ML5G, NNEF, ONNX and the AI/ML community
Chairmen
Werner Bailer (chair, werner.bailer@joanneum.at)
Sungmoon Chun (vice-chair, smchun@insignal.co.kr)
Wei Wang (vice-chair, rickweiwang@tencent.com)
Duration
until next MPEG meeting
Reflector(s)
mpeg-nnr@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-nnr
Meeting
Thu/Fri before next MPEG meeting
Room Size

NameAhG on MPEG-I Visual
Mandates
1. Prepare draft international standard of MPEG Immersive Video
2. Study profiles, tiers, and levels for MPEG Immersive Video
3. Carry on core experiments of MPEG Immersive Video
4. Update test model and reference software for MPEG Immersive Video
5. Define CTC for MPEG Immersive Video
6. Carry out exploration experiments on MPEG Immersive Video
7. Investigate dense light field content in immersive video applications
8. Study performance improvements under CTC conditions
9. Promote MPEG Immersive Video outside MPEG
Chairmen
Bart Kroon (Philips) (chair)
Vinod Malamal Vadakital (Nokia) (vice-chair)
Joel Jung (Tencent) (vice-chair)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-i-visual@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-visual
Meeting
MIV: Jan. 26, Feb. 16, Mar. 9, Mar. 30
VQA (AG5): Feb. 23 (1 h)
EE: Mar. 17
DLF: Mar. 24
AHG: Apr 20, 21, 22, 23
All meetings start at 15:00 UTC and run 2 h unless noted otherwise
Room Size
inf

NameAhG on Essential Video Coding
Mandates
1. Coordinate management of the ETM software and its distribution
2. Coordinate generation and cross-check of the conformance bitstreams
3. Discuss input documents to MPEG 134 relating to EVC
Chairmen
Kiho Choi
Duration
Until next MPEG meeting
Reflector(s)
mpeg-5@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-5
Meeting
Room Size

NameAhG on Genomic Information Representation
Mandates
1. To support the dissemination of the CfE and the work for providing answers.
2. To contribute to the improvements of the Study of Text DIS 23092-6.
3. To contribute to the development of amendments of 23092-1, 23092-2 and 23092-4 to support Part 6 and the new technologies identified by the answer to the call for technology.
4. To contribute on the relationship of Part 3 metadata and protection to Part 6 annotations and related metadata through CE6.
5. To finalize the reference encoder software.
6. To finalize the investigation on privacy protection methods for genomic data and understanding how MPEG-G can support their implementation.
7. To compile common test conditions for the evaluation of MPEG-G performance.
8. To collect additional test data useful to be used for assessing technologies related to the CfE.
9. To disseminate the information and coordinate the activities carried out by ISO/IEC JTC 1/SC 29/WG 8 to other ISO TCs, GA4GH and other organizations.
10. To discuss and coordinate WG8 contributions to relevant bioinformatics conferences and events.
11. To investigate how to promote MPEG-G among public health regulators and entities dealing with genomic data formats.
Chairmen
Jaime Delgado (UPC), 
Raymond Krasinski (Philips)
Duration
Until the next WG8 meeting
Reflector(s)
SC29-WG8-AHG@listes.epfl.ch
Subscribe
To subscribe, send email to SC29-WG8-AHG-subscribe@listes.epfl.ch
Meeting
Yes
Room Size
30
The Thursday and Friday prior to the WG8 meeting from 1 PM CET to 7 PM CET

NameAhG on Guidelines for Verification Tests
Mandates
1. Review previous verification tests conducted for MPEG working groups.
2. Determine good examples and identify recommended actions, procedures, and timelines.
3. Draft a guideline document for conducting verification tests on visual quality for MPEG working groups.
Chairmen
Mathias Wien, Lu Yu
Duration
until the next AG5 meeting
Reflector(s)
mpeg-vqa@lists.rwt-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/
Meeting
Meetings are held online and are to be annouced at least two weeks before the AHG meeting date.
Room Size

NameAHG on MPEG-I Audio and Audio Maintenance
Mandates
1.	Execute Workplan on MPEG-I Audio, revising as needed.
2.	Progress the CfP and all documents that support the CfP
3.	Execute Pilot Subjective Test, as appropriate
4.	Maintain Audio-related conformance data and reference software
Chairmen
Schuyler Quackenbush (ARL) srq at audioresearchlabs . com
Duration
Until 3rd WG 6 Meeting
Reflector(s)
mpeg-audio-call@audioresearchlabs.com
Subscribe
•	To subscribe or unsubscribe to the list, send email to
the AhG Chair
•	To post on the mailing list, send email to
 mpeg-audio-call@ audioresearchlabs.com 
Note that posting is blocked for non-members
Meeting
Web AhG meetings as follows:
All meeting times are Wednesdays 1400-1600 UTC
https://iso.zoom.us/j/97635853273?pwd=b2xsbVJiWi9aakZsTlQyWXBNa0N0QT09 

Dates: Feb 3, Feb 17, Mar 3, Mar 17, Mar 31, Apr 14, 2021
Room Size

NameAhG on Low Complexity Enhanced Video Coding
Mandates
1. Study the test results of the first pass of the Phase 1 verification test 
2. Prepare and conduct first pass of Phase 2 verification test for LCEVC
3. Coordinate generation, upload and cross-checks of LCEVC conformance bitstreams
4. Discuss input documents to the 3rd WG 04 meeting related to LCEVC
Chairmen
Walt Husak (Chair), Simone Ferrara (Vice-Chair)
Duration
Until next MPEG meeting
Reflector(s)
vcexp@lists.aau.at
Subscribe
To subscribe, send e-mail to https://lists.aau.at/mailman/listinfo/vcexp
Meeting
Provisional time schedule:
AhG # 1 call: Monday 1st February @2pm UTC
AhG # 2 call: Tuesday 16th February @2pm UTC
AhG # 3 call: Tuesday 2nd March @2pm UTC
AhG # 4 call: Thursday 18th March @2pm UTC
AhG # 5 call: Tuesday 6th April @2pm UTC
AhG # 6 call: Tuesday 20th April @2pm UTC 
AhG # 7 call: Thursday 22nd April @2pm UTC	
Further meetings may be schedule with the necessary 2 weeks notice.
Room Size

Ad hoc groups from other meetings:
MPEG 134, MPEG 133, MPEG 132, MPEG 131