DAVIC是Digital Audio-Visual Council的缩写,即数字音视频理事会的简称,成立于1994年,是一个非赢利机构,总部设在日内瓦。DAVIC对所有的政府机构、国际组织、公司和个人开放,成员222个遍及25多个国家,几乎包括了世界上涉及数字视音频应用和业务所有公司和组织。1999年,在完成了预期目标后,DAVIC宣布关闭,其服务通过http://www.davic.org进行,会员则转入另一技术机构:TVAny Forum。
在预期的5年间,DAVIC获得的成就如下:
DAVIC 1.0 (published in January 1996) selected a set of tools to support basic applications such as TV distribution, near video on demand, video on demand and simple forms of tele-shopping.
DAVIC 1.1 (September 1996) added tools to support basic "Internet Compatibility", the addition of microwave broadcast networks (MMDS and LMDS), set-top units that are network-independent and set-top units that can behave as "virtual machines".
DAVIC 1.2 (December 1996) added tools to enable TV networks to provide Internet services at high speed to TV and PC users, as well as defining HDTV formats and systems for conditional access.
DAVIC 1.3 (September 1997) added comprehensive Service and Network Management, multiple broadcast servers, mobile reception, scaleable audio, content and meta-data packaging, Java APIs for DVB service information and a new concept of "Contours" - the first instances are Enhanced Digital Broadcast and Interactive Digital Broadcast.
DAVIC 1.4 (June 98) added basic security tools, MHEG-5 resident programs to access SI, Home network architecture and Home Network Technologies for Home Access Network (HAN) and Home LAN (HLN)
The final DAVIC release (June 99) added the description of DAVIC Intranet for QoS management of audio-visual services over IP and DAVIC TV-anytime/anywhere for integration of digital TV and Internet Content.
The DAVIC specification has been accepted by ISO/IEC JTC 1 as an International Standard ISO/IEC 16500.
查询进一步信息,请访问http://www.davic.org/speci.htm;或者发送电子邮件到:secretariat@davic.org