Video coding technology: select the appropriate codec standards is the key of the overall solution, a good solution to achieve the different media formats, for different bandwidth. The latest international video coding standard H.264. Streaming media technology: the continuous image or audio information (audio, video or graphics) after compression into a compressed package from the video server to the user terminal for transmission, users need only a few seconds or tens of seconds to start delay, you can use in the user terminal to decompress equipment or software to play and watch, rather than the entire file downloaded. Media asset management technology: mobile TV to achieve industrial development, must have similar authorization and authentication technologies. The installation height of the ordinary perfect cell phone jammer is 1.8-3.0m.
Copyright protection and paid services, it can prevent the illegal use of video content. These core technology and support technology development and gradually mature to provide a good platform for the development of mobile TV services, an important foundation for the mobile TV business. The commercialization of mobile TV. Operational prospects. By the foregoing analysis, the mobile TV business bears a huge market opportunity, and technology capabilities, which have a commercial operation of the premise and foundation. Domestic commercial operation in 2005, China Mobile and China Unicom has launched a mobile TV services based on streaming media, mobile network. China Mobile relies on GPRS, launched the "Silver Link". For the covering range of the directional antenna of perfect cell phone jammer concentrates.
China Unicom, relying on the CDMA1X launched the. Mobile operators not only to the mobile TV business as a new growth point for mobile data services, but also as the main business of the 3G network. However, the practical operation of the mobile TV operators look to the practical realization of the broad prospects of mobile TV commercial operation to require the following obstacles to be addressed. Ministries needs to be strengthened. Basically finalized by the State Administration of Radio, Film and Television "Mobile Multimedia Broadcasting" national standard the CMMB mobile TV GB) (commonly referred to, using the + ground radio network in the form of satellite networks. In this way will facilitate triple play is the optimal choice for the development of mobile TV. Need to work closely with SARFT and MII. If the shielding range of perfect cell phone jammer limits to indoor of the plant.
The fee is more expensive. First, from the receiving terminal, very few types of mobile phone that supports TV function, and the average price of more than 5000 yuan, part of the price of more than 7000 yuan. Second, the business use charges may be very expensive. Watch mobile TV, such as GPRS and 1 second-consuming the 3KB flow, in accordance with the standard of 0.03 yuan / kb, 1 hour to spend 324 yuan [6]. The high fees to become a major obstacle to the popularity of mobile TV services. Homogeneity of video content. At this stage, the main source of mobile TV video content is the traditional television content, streaming media players, these video content with the usual TV content is not a big difference, it is difficult to reflect the phone as the media qualities of the fifth generation of media. The main machine and antenna of perfect phone jammer can be under the arrestor.
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