International Multimedia Standards: TSAG Agreement

Article excerpt

The Telecommunication Standardization Advisory Group (TSAG) has reached an important agreement concerning the future work of the International Union's (ITU) Standardization Sector (ITU-T) on audiovisual multimedia services (AVMMS). The agreement was reached at TSAG's seventh and final meeting before the World Telecommunication Standardization Conference (WTSC) to be held in Geneva from October 9-18, 1996.

It is proposed to create a new Study Group to carry out studies on multimedia services and systems in the next study period (1997-2000). The studies were until now undertaken by five study groups coordinated by a Joint Coordination Group known as JCG/AVMMS. If approved by WTSC, the newly created Study Group will, in particular, be responsible for studies related to multimedia service definition and multimedia systems, including the associated terminals, modems, protocols, and signal processing. It would also serve as the focal point for coordination with other organizations, forums, and consortia developing standards in this field. This coordination will be essential for global interconnectivity of networks and the global interoperability of applications and services. This approach to standardization should provide consumers with access to an increasing range of products and services and reduce the risk of market chaos.

Other key questions to be studied by the proposed new Study Group include audio-visual multimedia services; data protocols for multimedia conferencing; modems for switched telephone network and leased-type circuits and ISDN adapters; circuit switched network (CSN) audio-visual communication systems and terminals; B-ISDN multimedia systems and terminals; common protocols; advanced video coding; and interaction of high-speed voiceband data with signal processing, software, and hardware tools. …


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