| Cable TV system of digital will completely change radio and television business model and competition pattern, with channel resources more abundant, the transmission channels pluralism, TV business diversification, the development of the existing radio and television provided a golden opportunity. Currently Nanchang digital TV is still in the infancy, Cable digital TV users nationwide increase rapidly, but the propulsion pace of Nanchang city was obviously lag behind other cities, So that it cannot satisfy users doing something:such as Internet, communication, real-time news, information demand and other new business requirements.TV users are gradually going to the Internet tap, with more and more young viewers far from TV. According to present situation of Nanchang TV system is considered, this paper adopts BigBand company's new generation digital front-end system solutions for the Nanchang cable TV system upgrading and transformation,which includes broadband multimedia business routing platform(BMR), the new generation propels BMR real-time MPEG-2encoder (BREZO), edge high-density QAM platform (BME50) and unified net system called SMU1000composed a new digital business system operation platform, service platform. Broadband multimedia business routing platform BMR, in realizing propels traditional digital front-end basic functions (such as the MPEG encoding, reuse, scrambling. QAM modulation), adopt the most powerful digital video media processing engine and video routing exchange technology in current industry, provide more applications, including the transmission flow function by exchange, digital code streaming reorganization, HD television, gigabit Ethernet transmission, digital advertisement inter-cut,VOD on demand and brand-new switched radio, etc. System commissioning period, completely satisfy demand prophase planning. |
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