ITU-R QUESTION 1136-2004 Delivery of interactive information to and from large screen digital imagery venues through broadcasting systems《通过广播系统向大屏幕数字图像场馆提供交互式信息》.pdf

1、- 1 - Place des Nations Telephone +41 22 730 51 11 Telex 421 000 uit ch E-mail: itumailitu.int CH-1211 Geneva 20 Telefax Gr3: +41 22 733 72 56 Telegram ITU GENEVE www.itu.int Switzerland Gr4: +41 22 730 65 00 QUESTION ITU-R 113/6 Delivery of interactive information to and from large screen digital i

2、magery venues through broadcasting systems (2004) The ITU Radiocommunication Assembly, considering a) the progress in information processing and communications technologies; b) the rapid progress towards digital high-definition television (HDTV) delivery systems; c) the establishment of a worldwide

3、HDTV production standard (see Recommendation ITU-R BT.709) and international programme exchange standards; d) the rapid adoption of electronic means, in particular HDTV technology, for the broadcast distribution of alternative digital content; e) the economic advantages of distributing programmes by

4、 digital broadcasting systems to a large number of geographically dispersed large screen digital imagery (LSDI) venues; f) the desire of users to actively interact with video and sound systems, as evidenced by the popularity of video games, audience participation at live events, and other emerging f

5、orms of alternate digital content; g) the progress in the establishment of Recommendations for return channels for interaction with broadcasting systems; h) the rapid development and deployment of many new communication systems that will facilitate the implementation of return paths for interactive

6、broadcasting systems, decides that the following Question should be studied 1 What new techniques and technologies would be required for meaningful interaction of many participants with a single programme delivered by a broadcasting system to one LSDI venue? 2 What new techniques and technologies wo

7、uld be required for meaningful interaction between many participants at multiple LSDI venues connected by a broadcasting network? 3 What new techniques and technologies would be required for meaningful interaction of many participants at multiple LSDI venues with content delivered by a broadcasting

8、system? - 2 - C:DOCUMENTS AND SETTINGSQGV33745MY DOCUMENTSDOWNLOADSR-QUE-SG06.113-2004-MSW-E.DOC 4 What implications, if any, would interactive LSDI delivered by broadcasting systems have on frequency bandwidth requirements for both the forward and return channels? further decides 1 that the results of the above studies should be included in (a) Recommendation(s); 2 that this work should be coordinated with Study Groups in the Radiocommunication and Telecommunication Standardization Sectors; 3 that the above studies should be completed by 2007. Category: S2 _