نتایج جستجو برای: television broadcasting
تعداد نتایج: 44763 فیلتر نتایج به سال:
DVB-T is the most widely used standard for digital television broadcast. With its introduction in 1997, it more than 70 countries. Almost all of these countries adopted new terrestrial broadcasting – DVB-T2. DVB-T2 best technology broadcasting, which offers better signal robustness, flexibility and 50% efficiency, compared with other broadcast systems. This paper focuses on ways to deliver MPEG...
Television archives play an important in giving their users easy access to the huge amount of video informa tion that have been broadcast In this paper we discuss some of the problems faced today and we discuss how digital video and advances in computer technology can be used to overcome some of these problems The pa per also gives a short description of digital television archive prototype dev...
Over the past several decades the cost of television time has increased substantially and congressional campaign spending has increased as well. This paper considers whether there is a causal relationship between these trends. Using the dramatic variation in advertising rates across congressional districts and over time, we assess the effect of higher television advertising rates on campaign sp...
The development of multi-channel digital broadcasting has generated a demand not only for new services but also for smart and highly functional capabilities in all broadcast-related devices. This is especially true of the television receivers on the viewer's side. With the aim of achieving a friendly interface that anybody can use with ease, we built a prototype interface system that operates a...
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