نتایج جستجو برای: tv broadcasting system
تعداد نتایج: 2257652 فیلتر نتایج به سال:
The strategy for the development of television and radio broadcasting in Russian Federation until 2025 specifically states need to ensure reliability uninterrupted broadcasting. quality DVB-T2 is estimated by data transmission rate bit error BER (Bit Error Ratio) stability margin «at last mile» retransmitters’ broadcast zones. distributed client-server system monitoring RF, proposed article, us...
Television production has shifted rapidly from an analog process to one where virtually all programs are created and finalized as digital files. Such productions in public television are at great risk of being lost, because practices for long-term preservation of digital video are just now emerging, and because there is no mandate for preservation within the public broadcasting system. NDIIPP f...
Earlier this year we were asked to offer a perspective from AIED on the development of interactive educational television (ie-TV). This theme paper discusses our response to the question: what can the field of AIED offer to developers of education for the wired and wireless future with particular respect to TV? We note the changes that have taken place over the past 50 years in the nature and p...
We are currently developing the advanced broadcasting system for next generation of digital terrestrial television (DTTB). Its physical layer, Advanced Integrated Services Digital Broadcasting-Terrestrial (Advanced ISDB-T), is based on frequency division multiplexing, and large-scale field tests have been conducted at experimental transmitter stations. transport MPEG Media Transport (MMT), Inte...
Earlier this year we were asked to offer an AIED perspective to the development of interactive educational television (ie-TV). This theme paper discusses our response to the question: what can the field of AIED offer to developers of education for the wired and wireless future with particular respect to TV? We note the changes that have taken place over the past 50 years in the nature and proli...
Orthogonal frequency division multiplexing (OFDM) has been an effective technique to combat multipath fading in wireless communications. It has been successfully used for HF radio applications and has been chosen as the standard for digital audio broadcasting and digital terrestrial TV broadcasting in Europe and high-speed wireless local areas networks. In this paper an overview of a multiple c...
In 1959, the regional government of Western Nigeria established the 1st television station in Nigeria and in Africa. Even though it promoted the station as a means to educate the people about development and the world, it initially served as a means for an opposition leader to address the people of Western Nigeria. The regional governments of Eastern and Northern Nigeria and the federal gover...
The mobile broadcasting services such as mobile television (TV) and interactive social TV become more popular in wireless broadcasting networks and attract a lot of research attention in pervasive computing. However, due to the error-prone nature of wireless broadcast, how to efficiently recover packet loss at mobile devices is a big challenge. To solve this problem, many research efforts sugge...
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