摘要
数字电视广告是有线网络公司数字电视投资的重要保障 ,是运营商实现商业利益的重要业务。数字电视节目经过特定的编码、压缩和调制 ,要实现没有画面质量受损效果的插入、拼接的难度是非常大的。以SCTE组织制定的数字电视广告拼接协议为主线 ,介绍和分析了最新出现的几种数字电视广告技术的形式和技术原理。
Digital TV advertising is the vital safeguard of the cable companies, and the crucial service that achiees the avails of operators as well. The digital programs have underwent a process of specified coding, compression and modulation, thus to achieve the insertion and splicing is very difficult not to damage the video quality. We underlies the Digital- Program- Insertion related standards of SCTE, further presents and analyzies the form and principles of technology of digital TV advertising.
出处
《中国有线电视》
北大核心
2004年第15期27-31,共5页
China Digital Cable TV
