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提出一种基于DVB协议和多种元数据标准融合的数字电视内容触发交互式业务方案。在分析DVB-SI和MPEG-7元数据标准的基础上,给出该交互业务对于元数据的2个要求,讨论如何选择相应的元数据标准满足要求,设计业务系统的整体框架,对业务前端系统进行实现。
A digital TV content-triggered interactive service scheme based on DVB protocol and various metadata standards is proposed. Based on the analysis of the DVB-SI and MPEG-7 metadata standards, two requirements of the interactive service for metadata are given. The corresponding metadata standards are discussed to meet the requirements. The overall framework of the business system is designed. System to achieve.