说明：  本文介绍了一种基于STb7109 芯片的IPTV 机顶盒方案，并给出了一个较完整的 IPTV 系统测试环境。该方案涉及底层硬件平台、嵌入式操作系统、中间件API 和上层的软 件系统，支持MPEG-2 和H.264 视频编码标准和MPEG-1、AAC 等音频编码标准，支持直 播电视、点播电视和相关的用户设置等操作。
(This paper describes a chip IPTV set-top boxes based on STb7109 program, and gives a more complete IPTV system test environment. The program involves the underlying hardware platforms, embedded operating system, middleware API and the top of the software system to support the MPEG-2 and H.264 video coding standard and MPEG-1, AAC and other audio coding standards, support live TV, on-demand television and and other operations related to user settings.)