| 广电VOD点播中的节目加密方法 |
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| 引用本文： | 胡昕宇.广电VOD点播中的节目加密方法[J].中国有线电视,2009(1):40-43. |
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| 作者姓名： | 胡昕宇 |
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| 作者单位： | 吉林省广播电视信息网络集团有限责任公司,吉林,长春,130021 |
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| 摘 要： | 目前广电运营商将VOD业务作为首选的增值业务，为保证节目不被非法用户获取，保护数字电视节目版权，就需要对VOD数字电视节目进行加密。就目前广电以及电信行业可供使用的VOD加密方法进行阐述，同时对各种加密方式的加密及点播流程进行设计，为广电运营商开展VOD业务提供一种切实有效的发展思路。
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| 关 键 词： | VOD 数字电视 加密 预加密 实时加密 DRM |
VOD for Broadcasting and Television Industry in the Encryption Program |
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| HU Xin-yu.VOD for Broadcasting and Television Industry in the Encryption Program[J].China Cable Television,2009(1):40-43. |
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| Authors: | HU Xin-yu |
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| Affiliation: | HU Xin-yu (Jilin Provincial Broadcasting and Television Information Network Group Co. , Ltd, Jilin Changchun 130021, China) |
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| Abstract: | Recently, VOD business has been developed as a preferred value-added business by many broadcasting and television operators. In order to protect programs from being obtained by illegal users and ensure the copyright of digital TV, encryption of digital television program is needed. Since the VOD programming is not the same as the traditional broadcasting, the encryption method should not be limited to the traditional model. The article introduces several encryption programs that are wildly used by broadcasting and telecommunications industry, and provides design of various encryption methods and VOD process, which are significantly useful for VOD business operators. |
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| Keywords: | VOD DRM |
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