数字电视广播的业务信息

Service information in digital TV broadcasting

介绍数字电视广播中采用的业务信息,业务信息的数据结构以及开展数字电视业务必须用到的数据描述符,使用业务信息应注意的事项进行了论述,并提供了一种利用业务信息实现多通道电子节目指南的方法。

This paper introduces service information used in digital TV broadcasting its data structure and data descriptors which digital service must adopt.Some notes have been presented for using service information.An implementation scheme for multi-channel EPG with service information has been provided in the paper.