有线电视网络具有广泛的用户基础,在建设和改造过程中,相对其他网络其成本也比较低,并且有线电视网络传输音频视频的能力也比较大,发展前景广阔。本文简单介绍了有线电视网双向改造的作用和原则,提出了双向改造的几种方案,并提出最佳的解决方案。 Cable television network has a wide range of user base, in the process of construction and transformation, the relative cost of other networks is relatively low, and the ability of cable networks to transmit audio and video is relatively large, with broad prospects for development. This article briefly introduced the role and principle of bidirectional transformation of cable television network, put forward several proposals for bidirectional transformation and put forward the best solution.