On the mobile streaming media service platform and applications – mobile streaming media, SMS, WAP-HC Network Communication industry
Mobile Network and Internet integration success of mobile data services today, SMS, WAP, MMS is in full swing development; multimedia technology breakthroughs to improve the wireless network bandwidth, especially the 3G era, was moving Streaming Media Created good conditions for business, providing a broad display their abilities. Mobile streaming media service industry are generally optimistic that it will be the 3G business, "leader-type application", even in 2.5G networks will accomplish much. Based on this consensus, mobile home and abroad Operation Have increased business investment in this business, has been building some more while at the pilot or the exchange phase, in order to advance a good technical reserves, and accumulated operating experience, nurturing the value chain. End-to-mobile streaming media Package Including the terminal (player), platform, content, and three parts. Terminal part of the general factory built by the player or by downloading the means to resolve the contents through the open and cooperative manner to resolve. This article focuses on the key technologies from the perspective of the construction of streaming media platforms and applications for reference, reference.
First of all, media formats, encoding selection point of view, the current mainstream mobile streaming media format: 3GPP/3GPP2, MPEG 4, RM, WMV, etc., which 3GPP/3GPP2 as an international standard by the mobile operators, terminal manufacturers, platform equipment, content and other aspects of the broad support of CP. Specific coding techniques, including H.264 , H.263, MPEG4, etc., which is the R6 version of the new H.264 demand, streaming media formats on behalf of the follow-up trends; RM, WMV formats are real, Microsoft Manufacturers set the standard, generally used in the terminal has built its players scenarios. In addition, the market there are still some non-mainstream media formats, and more for some variant of H.264, and its decoding efficiency, business results have certain advantages, but in general, its interface is more closed, (code-server- player) end to end for the private agreement, difficult to get broad support terminal manufacturers. Different formats have different advantages and disadvantages, there are complementary, and therefore recommended to consider when building the platform by international standards-based, supports multiple formats, according to different terminal capabilities play a different format.
Secondly, the way in business performance and mobile streaming media available on demand, live, download play three types of business forms. Among them, the on-demand applications include movie trailers, highlights, MTV, etc.; live including television programs, video Monitor (Such as traffic monitoring / baby-line), major events, music, on-site meetings, etc.; Download Play the name suggests is downloaded to the Mobile After playing on the relatively less sensitive to network quality, more suitable for those non-online, audio and video quality requirements of the high bandwidth of the wireless code difficult to meet the needs of its stream of multimedia programs, which can be to some extent 2.5G wireless networks to make up for the lower rate of defects. Streaming media applications, content is key to attracting customers, so there are one or more good CP / SP partners is critical, which requires streaming media platform in terms of external interfaces must be open, flexible and powerful.
Again, in billing, the streaming media business in accordance with the content, flow, demand frequency, duration, monthly billing and other strategies. Taking into account the flow of data streaming services relatively large, if the tariff equivalent to the existing Internet business is bound to inhibit the use of the user's business interest, it is recommended flows can be taken monthly or discounted measures; content into the content of billing or traffic through the billing further divided into to achieve, due to the network side can not distinguish a separate streaming media traffic, content, billing, streaming media platform needed to be accurate in billing, comprehensive and flexible.
Finally, also the matter of principle?? Platform way. Of the operators, generally divided into two supermarket model and the Internet mode: supermarket model for operators Investment Building platforms and portals, CP provided more than content access, content is divided into two sides; the Internet model is the SP content and platforms are provided only to provide network access carriers. In contrast, the supermarket model more obvious advantages: quality of service and Brand Guaranteed, operators gains more open and fair will help CP Competition Is especially important, as a basis for sharing capability of streaming media platform, construction platform, this means operators can better insure the advanced technical capabilities and openness, which will effectively support the conduct of other multimedia services.
Rain Comes from Wind, mobile streaming media service of the good days will come, the opportunities and challenges, we are very pleased to see that domestic equipment providers in this area have been well prepared well such as Huawei , Its mobile streaming media system has been in Hong Kong, China, Saudi Arabia, UAE, Shanghai, China and other countries and regions have been large-scale application. Particularly noteworthy is that its streaming media platform is also streaming media, streaming media fixed, IPTV Integration with support for wireless users and fixed-line broadband subscribers, IPTV subscribers, which mobile operators, fixed network operators, is undoubtedly the best choice. There are indications that 2005 will be China's 3G development, the mobile streaming media, large-scale construction will begin.
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