Photo] Qingdao television studio with high SD Analyst - Studio, HDTV, broadcast - radio and television network of industry

Qingdao TV Ran Li Peng-Cheng Zhao Jing policy cover the new Wang Zhenxin

A building background With the social development of television technology have become increasingly demanding, high-definition television has become the development trend of digital TV is the next generation of higher quality television system. In recent years, high-definition TV in China has made rapid development, from the central station to local stations, many TV media have begun to put HDTV programs for pre-production. China is the host of the 2008 Olympic Games, clearly the 2008 Olympics event to be fully realized high-definition broadcast. Beijing Olympic Games as Partner City?? Qingdao, the only television media, Qingdao, high-definition television stations must also do the preparatory work in advance, for the 2008 world youth broadcast television stations to provide a high level platform for Sailing This Qingdao TV technology made higher demands, Qingdao is also a good opportunity for the development of the TV industry.

Qingdao TV station on a long-standing pursuit of high-definition technology. September 2001, Qingdao-Taiwan independence produced on the first high definition film, "Qingdao? Open a new life, one day," and success in the cable network broadcast, which marked my station already has the ability to broadcast high-definition television system.

Recent years, Qingdao, Taiwan is also a positive response to the call of SARFT, adhere to scientific and technological innovation, in promoting the process of digital broadcasting, the commitment to HD technology, control and development, always walk in the forefront of high-tech areas , has made remarkable achievements. From ENG to EFP, Qingdao-Taiwan high-definition television production in the successful development of dual-stream editing techniques, accumulated rich experience in high-definition programming, training of technical personnel. In practice, we also recognize that to break through the production of high-definition programming bottlenecks, accelerate the accumulation of high-definition material to start the HD live production system is a shortcut.

II design ideas Qingdao TV set up at the end of 2002, high-definition panel, special high-definition on-site production system technology demonstration program. As high definition broadcasting, program production and the country still in its infancy, and standard definition to high definition is completely different from analog to digital as simple as possible in a short time to achieve full HD production, so regardless of the high volume of standard definition programming, broadcast content How to change the proportion of the two will coexist for a long period of time. It would appear that if the cost of 10 million to build a studio can make high-definition programs, both to maximize the benefits can not be achieved, does not conform to current building-saving society. And compared with SD, HD is a new area, is a qualitative leap in television technology, both in the digital bit stream, signal processing and aspects of site type than there are essential differences. At the same time, television programs, SD original material, or even material, may also be an important program resources for the production of high-definition programming, high-standard definition material to share, deal with the inevitable mix. Therefore, must be based on the development of HD and SD, in HD and SD production systems is fundamental to achieve. Meanwhile, the future of HD channels to broadcast high-definition version of the need for storage and accumulation of high-definition version at any time the output is even more crucial. Our design ideas, just as birds have two wings, to let the next generation HD and SD studio has it on the "wings", we have a bright future in the broadcasting business, can fly more stable and higher.

The basis of full investigation, the Group established a high-end SD-compatible design purposes, and compatible with high standard, "wings" flying ideas throughout the system design. Propose a new studio should be a high-definition and standard definition programming compatible with the system, it is necessary to accommodate future development to meet high definition program production, reserve source of HD programming, but also to meet the current standard definition channel broadcast programs, requirements, both high SD Signal Source with mixed processing switch, but also random output based on demand requirements of different subtitles HD, SD or both of two versions of TV shows.

Despite our clear thinking, clear objectives, but was not mature enough HD equipment, especially one of the core build system switching station, when the market regardless of the brand is the first generation of pure high-definition switcher is the first II "Convertible working state" of the switcher can not meet our needs. At the same time, they can only handle a single format video switching, high-standard signal source can not solve the problems simultaneously. Both have a control panel while two hosts, the whole transformation process of the signal will produce a number of such delay, mass attenuation, 4:3 and 16:9 conversions. To this end we are painstaking research, tracking the latest TV technology internationally, continually observed the direction of high definition technology.

2004BIRTV, the UK company Snell & Wilcox Kahuna multi-resolution HD / SD hybrid switcher released its design concept fully in line with our design, so we are pleased to see a real high standard compatible production dawn, so we determined to Taiwan immediately decided to build high-standard definition of Qingdao compatible TV studio.

Advance technology to track accumulated as full, comprehensive research equipment, in just two months time to complete the entire Qingdao station system design and equipment selection and bidding, and after the arrival of all the equipment completed within one month with independent intellectual property system integration, and passed the State Administration of Radio Technical Index Test. Has been put into use more than one year, full-featured, obviously.

3, system description Qingdao High-SD-compatible television studio and control room from the center guide radiation 100 m2, 400 m2 and 800m2, consists of three studio, system mainly consists of video, audio, phone and other subsystems.

1, Video Systems Video system with the general requirements are the first complete, fully functional SD system function, able to finish the standard definition television broadcast and production, and can record programs broadcast during SD when recording with high-definition programming, SD with the version of the high-output, standard definition broadcast system with separate emergency switch. At the same time the system has a perfect, full-featured HD system function, able to finish the high-definition TV recording, and can take full advantage of SD sources to achieve high production of hybrid switching signal SD.

Video system design closely around the core of the high-standard compliant, the main equipment are compatible with optional high-standard specifications, the system output of all the equipment were high, standard definition signal source into the Kahuna switcher and high SD matrix to achieve high definition SD hybrid version of the output switch and the same

Photo] Qingdao television studio with high SD Analyst - Studio, HDTV, broadcast - radio and television network of industry

By: xiaohe7383

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