Transcript SG16 - Multimedia services, systems and terminals in

ITU-T Study Group 16
Multimedia services, systems
and terminals
P.A.Probst Swisscom SA
Chairman SG16/ITU-T
SG16 - Multimedia services, systems and
terminals
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Terms of reference
Organization of the work
Highlights of achievements
New generation of Multimedia
Standards: « MEDIACOM 2004 »
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
TERMS of REFERENCE (I)
 SG16: new SG created in 1996 (WTSC,
Geneva)
 Mandate (WTSA 2000):
- Standards for Multimedia services and
systems (including signal processing and
terminal aspects)
- Lead Study Group for Multimedia studies
- Lead Study Group for E-Commerce/
E-Business
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
TERMS of REFERENCE (II)
Scope:
- Services (F-Series of Recs)
- Protocols, terminals
(H- and T-Series of Recs)
- Coding schemes for audio, speech and
video signals
(H-Series and G-Series of Recs)
- Co-ordination and harmonisation of MM standards
( compatibility, interoperability, etc...)
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
TERMS of REFERENCE (III)
MEDIACOM 2004 (Q A/16)
Generic Questions B/16 to H/16
Framework Standardisatzion Areas
Equipment and system questions
1/16 to 14/16
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
TERMS of REFERENCE (IV)
Framework Standardisation Areas:
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MM Architecture [B/16]
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MM Applications and Services [C/16]
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Interoperability of MM systems and services [D/16]
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Media coding [E/16]
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Quality of Service and End-to-End in MM systems [F/16]
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Security of MM systems and services [G/16]
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Accessibility to MM systems and services [H/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
ORGANISATION OF THE WORK (I):
WP 1/16 - MODEMS AND FAX TERMINALS
Chair: M.Matsumoto (Japan)
Questions :
 Accessibility [H/16]
 Voiceband modems [11/16]
 DCE-DCE protocols [12/16]
 DTE-DCE interfaces and protocols [13/16]
 FAX terminals [14/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
ORGANISATION OF THE WORK (II):
WP 2/16 - MM platform and interworking
Chair: F.Tosco (Italy)
Questions (I):
 Interoperability [D/16]
 QoS E-2-E [F/16]
 Security [G/16]
 MM systems, terminals and Data
conferencing [1/16]
 MM over packet based networks [2/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
ORGANISATION OF THE WORK (III):
WP 2/16 - Questions (II):
 Infrastructure and interoperability over
packet based network [3/16]
 Video and data conferencing using Internet
supported services [4/16]
 Mobility for MM [5/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
ORGANISATION OF THE WORK (IV):
WP 3/16 - Media coding
Chair: S. Campos-Neto (BRAZIL)
Questions :
 Media coding [E/16]
 Advanced video coding [6/16]
 Wideband coding [7/16]
 Speech encoding at around 4 kbit/s [8/16]
 VBR speech coding [9/16]
 Software tools [10/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
ORGANISATION OF THE WORK (V):
WP 4/16 - Multimedia framework
Chair: J.Magill (UK)
Questions :
 MEDIACOM-2004 [A/16]
 MM Architecture [B/16]
 MM Applications and services [C/16]
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
HIGHLIGHTS OF ACHIEVEMENTS (I):
 Modems for PSTN applications:
-Improvements to V.34
-New 56 kbit/s modem (V.90/V.92)
-Data compression procedures (V.44)
 Multimedia services for people with disabilities:
- “Total communication concept”
- Text telephony standards and capabilities for all
multimedia terminals (V.18)
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
HIGHLIGHTS OF ACHIEVEMENTS (II):
 Rec. H.323 “Packed Based Multimedia
Communications Systems”
- H.323 considered as foundation for VOIP systems
- Support of multimedia content over a variety of
packet-based network, incl. ATM
 Rec. H.324 “Terminal for low bit-rate Multimedia
Communication”:
- MM services on circuit-switched networks
- Applications in 3rd generation terminals for handheld
wireless telecommunications
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
HIGHLIGHTS OF ACHIEVEMENTS (III):
 Interworking between circuit-switched and packetbased network:
- Gateway Control Protocol H.248
- Co-operation with IETF
 Support of supplementary services in H.323
(H.450 series)
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
HIGHLIGHTS OF ACHIEVEMENTS (IV):
 New options in the area of coding to allow
implementation of wireless and packet based
applications:
- H.263: “video coding for low bit rate communication”,
(chosen by 3GPP for audio-visual services)
- Wideband speech codec for videoconferencing
applications
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
PRIORITIES (I):
 the rapid growth in digital, wireless, and IP networks
 the convergence of technologies e.g. broadcasting
communications, information technology, etc…
 that multimedia topics are addressed in many SDOs
 the growth in multimedia services and applications
 the need to study performance, interworking,
inferfaces etc. for user satisfaction.
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
PRIORITIES (II):
 “MEDIACOM 2004”: general framework for the next
generation of MM standards
 Focus on mobility, ease of use, systems flexibility,
end-to-end interoperability, specific quality
requirements
 Support of harmonised and co-ordinated development
of global multimedia communication standards across
all ITU-T and ITU-R SGs in close co-operation with
other SDOs
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001
SG16 - Multimedia services, systems and
terminals
CONCLUSIONS
 Different types of convergence are under way
 Threat to introduce on the market standards which
are not compatible or interoperable
 An increased number of SDOs and industry forums are
defining standards
 Need for better communications between the business
communities involved
 MEDIACOM-2004 will be used as instrument to
coordinate the development of MM standards
Seminar Multimedia in the 21st Century
Porto Seguro 4-5 June 2001