摘要
根据多媒体数据对时间相关性的要求，分析了描述多媒体同步关系的４种模型。
According to the multimedia data's demand for time relerance, this paper analyses four models that describe multimedia synchronization and gives the implementation method on the basis of time stamp under net environment.
关键词
多媒体
数据库
同步模型
时间标记法
multimedia databases, synchronization model, time-stamp method
