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提出了几种利用CATV和PSTN的VOD多媒体数字机顶盒实现双向通信艺完成电子节目导游的设计方案 ,并对各种方案的优缺点进行了详细的讨论。最后介绍了所采用方案的实现方法
Proposed several kinds of VOD multimedia digital set-top boxes using CATV and PSTN two-way communication technology to complete the design of electronic program guides, and the advantages and disadvantages of various programs were discussed in detail. Finally, it introduces the implementation of the adopted scheme