DAVIC是Digital Audio-Visual Council的縮寫,即數(shù)字音視頻理事會的簡稱,成立于1994年,是一個非贏利機(jī)構(gòu),總部設(shè)在日內(nèi)瓦。DAVIC對所有的政府機(jī)構(gòu)、國際組織、公司和個人開放,成員222個遍及25多個國家,幾乎包括了世界上涉及數(shù)字視音頻應(yīng)用和業(yè)務(wù)所有公司和組織。1999年,在完成了預(yù)期目標(biāo)后,DAVIC宣布關(guān)閉,其服務(wù)通過http://www.davic.org進(jìn)行,會員則轉(zhuǎn)入另一技術(shù)機(jī)構(gòu):TVAny Forum。
在預(yù)期的5年間,DAVIC獲得的成就如下:
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.
查詢進(jìn)一步信息,請?jiān)L問http://www.davic.org/speci.htm;或者發(fā)送電子郵件到:secretariat@davic.org