摘要
介绍了“广播式视频点播”方案,可以解决传统VOD系统存在的用户数量有限的问题,就其节目制作、播控和传输描述了系统的原理结构,并对系统所采用的MPEG-4编解码、组播及IPoverDVB等关键技术作了简要介绍。
A scheme of″broadcast VOD″is introduced,which can be used t o solve the problem of limited number of sub-scribers in conventional VOD.The principles and structure of the system are described in terms of program produc tion,play out control and transmission.Key technologies used in the system su ch as MPEG-4coding and decoding,multicast and IP over DVB are introduced brie fly.
出处
《电视技术》
北大核心
2003年第8期29-30,33,共3页
Video Engineering
