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电视作为信息释放的主要手段之一,正迅猛地由模拟向数字化发展。承载电视信息的主流网络———有线电视网,以其传输频带宽、信息容量大、网络覆盖面广、运营成本低等优势,倍受信息界关注。伊通满族自治县广播电视局抓住这个机遇,决定首先在城区开展有线数字电视服务平台建设,同
Television as one of the main means of information release, is rapidly from analog to digital development. The mainstream network carrying television information --- cable television network, with its transmission bandwidth, large capacity, wide network coverage, low operating costs, much attention of the information industry. Yitong Manchu Autonomous County Radio and Television Bureau to seize this opportunity to decide first in urban areas to carry out the construction of cable digital TV service platform,