INTERNATIONAL ORGANISATION FOR STANDARDISATION
ORGANISATION INTERNATIONALE DE NORMALISATION
ISO/IEC JTC 1/SC 29/WG 11
CODING OF MOVING PICTURES AND AUDIO
ISO/IEC JTC 1/SC 29/WG 11 N2251
July 1998
Source:
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Leonardo Chiariglione – Convenor
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Title:
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Report of the 44th WG 11 meeting
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Status:
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1 Opening
The 44th WG11 meeting was held at the Dublin Castle Conference Centre, Dublin, IE, at the kind invitation of National Standards Authority of Ireland and hosted by Teltec Ireland and Radio Telefís Éireann on 98/07/06-10. Mr. Noel Treacy, T.D., Minister for Science, Technology and Commerce and Dr. Ian Cowan, NSAI welcomed the participants.
2 Roll call of participants
This was not made for reasons of time
3 Approval of agenda
This appears as Annex 1
4 Allocation of contributions
This appears as Annex 2
5 Communications from Convenor
The Convenor reported to the group that he had informed the ISO Central Secretariat of the AAC patents problems, as requested by the Tokyo meeting Resolution 2.5.2. At the end of the week representatives of the companies owning AAC-related IPR informed the meeting that an agreement had finally been reached entrusting Dolby as the single licensing point for ACC patents.
6 Report of previous meetings 1978
The reports of the San Jose and Tokyo meetings were approved.
Papers were received from the National Bodies of ES, JP, KR, PT, SE, SG and US. Responses were drafted and approved.
8 MPEG Phase 2 8.1 MPEG-2 parts
No specific work was done. It was considered useful to revise ISO/IEC 13818-1:1996 and ISO/IEC 13818-2:1996 including all the Amendments and Corrigenda after Amendment 6 to ISO/IEC 13818-1:1996 reaches the publication stage.
8.2 Verification of MPEG-2
No specific results were made known.
8.3 Amendments 8.3.1 Systems
WG 11 N2268 contains revised proposed modification to ISO/IEC 13818-1.
WG 11 N2267 is the text of ISO/IEC 13818-1/PDAM6.
8.3.2 Video
WG 11 N2255 is the Disposition of Comments Report and WG 11 N2256 is the text of FPDAM5 for ISO/IEC13818 2/PDAM5.
8.3.3 Audio
Work on MPEG-2 AAC dynamic range control continued
8.3.4 DSM-CC
Part 10 being under ballot a "Study on MPEG-2 DSM-CC Conformance 13818-10 FCD" was produced. Further the following document was approved:
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Text of ISO/IEC 13818-6/FPDAM1 (WG 11 N2264)
The following documents were approved:
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Disposition of Comments Report for ISO/IEC 13818 4/FPDAM1 (WG 11 N2257) and the text of FDAM1 (WG 11 N2258).
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Proposed modification to ISO/IEC 13818-4 as specified in WG 11 N2259.
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Text of ISO/IEC 13818-4/PDAM2 (WG 11 N2263).
8.3.6 Technical Report
The following documents were approved:
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Disposition of Comments Report for ISO/IEC TR 13818 5/DAM1 (WG 11 N2261) and the text of AMD1 (WG 11 N2262)
8.4 Corrigenda 8.4.1 Conformance
The following corrigenda were approved
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Text of ISO/IEC 13818-4/COR2 (WG 11 N2260).
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Disposition of Comments Report for ISO/IEC 13818 7/DCOR1 (WG 11 N2265) and the text of COR1 (WG 11 N2266)
8.5 Workplan
This was approved
9 MPEG Phase 4 9.1 Version 1 9.1.1 Patent statements
A report of the situation of statements received was made. Members who had not submitted a statement were encouraged to do so.
9.1.2 Final Committee Draft 9.1.2.1 System
Further studies of the Systems FCD were made
9.1.2.2 Visual
Further studies of the Visual FCD were made
9.1.2.3 Audio
Further studies of the Audio FCD were made
9.1.2.4 Reference software
Further studies of the Reference software FCD were made
9.1.2.5 DMIF
Further studies of the DMIF FCD were made
9.1.3 Verification Tests 9.1.3.1 Systems
Work was done on MPEG-4 Audio/Systems issues
9.1.3.2 Video
Work was done on
MPEG-4 video encoder optimization and MPEG-4 video verification tests
9.1.3.3 Audio
Work was done on MPEG-4 Audio NADIB verification tests and MPEG-4 Audio Verification tests
9.1.4 Quality of service
Work was done on video decoder Quality of Service
9.1.5 Conformance Testing
A new WD was approved.
9.1.5.1 System
An editor was appointed
9.1.5.2 Visual
Three editors were appointed
9.1.5.3 Audio
An editor was appointed
9.1.5.4 DMIF
An editor was appointed
9.2 Version 2 9.2.1 Requirements
MPEG-4 version 2 requirements were continued.
9.2.2 Tools 9.2.2.1 DMIF
Work on use of DMIF ver. 2 for Mobile Network Connections was continued
9.2.2.2 Systems
Substantial work was accomplished for Advanced BIFS, MPEG-J Specification and Implementation, M4 File Format and Intellectual Property Management & Protection. The maturity of the last item prompted the group to consider introduction of the technology to ver. 1 if National Body will so support.
9.2.2.3 Natural Visual
This part of the work received reduced priority because of the need to clarify all items for ver. 1.
Substantial progress was made on Computational Graceful Degradation, Body Animation, and Face and Body Animation
9.2.2.5 Natural Audio
This part of the work received reduced priority because of the need to clarify all items for ver. 1.
9.2.2.6 Synthetic Audio
Most of this work falls under Advanced BIFS
9.2.3.1 System
Work was continued
9.2.3.2 Video
Work was continued
9.2.3.3 Audio
Work was continued
9.2.3.4 SNHC
Work was continued
9.2.4 Working Drafts 9.2.4.1 Systems
WD of all new technologies were produced
9.2.4.2 Video
A new WD was produced
9.2.4.3 Audio
A new WD was produced
9.2.4.4 Simulation software
Work to collect ver. 2 sofware has barely started
9.2.4.5 DMIF
A new WD was produced
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