Multimedia broadcasting

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  • The new digital radio system DAB (Digital Audio Broadcasting, nowadays often called Digital Radio) is a very innovative and universal multimedia broadcast system which will replace the existing AM and FM audio broadcast services in many parts of the world in the future. It was developed in the 1990s by the Eureka 147/DAB project. DAB is very well suited for mobile reception and provides very high robustness against multipath reception. It allows use of single frequency networks (SFNs) for high frequency efficiency....

    pdf362p dieutan 17-05-2010 160 69   Download

  • (BQ) Part 2 book "3G Evolution: HSPA and LTE for mobile broadband" has contents: Enhanced uplink, MBMS - multimedia broadcast multicast services, HSPA evolution, LTE and SAE - introduction and design targets, LTE radio access - An overview... and other contents.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Effective Radio Resource Management for Multimedia Broadcast/Multicast Services in UMTS Networks

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  • Streaming live audio/video refers to the broadcasting of radio and TV programs through the Internet.Interactive audio/video refers to the use of the Internet for interactive audio/video applications.

    ppt52p trada85 22-01-2013 38 3   Download

  • Television has attracted young viewers since broadcasting be- gan in the 1940s. Concerns about its effects on the cognitive devel- opment of young children emerged almost immediately and have been fueled by academic research showing a negative association between early-childhood television viewing and later academic achievement. 1 These findings have contributed to a belief among the vast majority of pediatricians that television has “negative effects on brain development” of children below age five (Gentile et al. 2004).

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  • The first graph, which shows penetration in 1950, reveals a clear distinction between counties that had a station in their DMA and those that did not. The average penetration in DMAs whose first station began broadcasting before 1950 ranges from 8% in the 1949 group to over 35% in the 1941 group, whereas the average for groups getting television after 1950 never exceeds 1%. The second graph shows that, by 1960, differences in penetration across these DMAs had largely disappeared.

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  • For users of image management systems, and especially for the user who doesn't know what he wants until he sees it, these systems should be organized in such a way as to support intelligent browsing so that the user will be satisjed in the shortest amount of time. It is our belief that intelligent browsing should be mediated by the standard paradigms of image similarity as well as by an appropriate organization of metadata, including annotations and self-describing image regions.

    pdf404p japet75 30-01-2013 25 2   Download

  • Video processing has been a rapidly evolving field for telecommunications, computer, and media industries. In particular, for real time video compression applications a growing economical significance is expected for the next years. Besides digital TV broadcasting and videophone, services such as multimedia education, teleshopping, or video mail will become audiovisual

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  • It is expected that in many countries digital broadcasting systems will mostly replace current FM radio and television technology in the course of the next one or two decades. The digital media not only offer superior image and audio quality and interesting new types of multimedia data services “on the air,” but also have the potential to employ the scarce resource of broadcast frequencies much more efficiently.

    pdf22p huggoo 20-08-2010 51 4   Download

  • Since the 1990s, digital signals have been increasingly used not only in various industries and engineering equipments but also in everybody’s daily necessities. Mobile phones, TV receivers, music CDs, multimedia computing, etc, are the indispensable items in modern life, in which digital formats are taken as a basic form for carrying and storing information. The major reason for the advancement in the use of digital signals is the big leap forward in the popularization of microelectronics and computing technology in the past three decades.

    pdf111p sn_buon 29-11-2012 35 4   Download

  • Chapter 25 - Multimedia. Recent advances in technology have changed our use of audio and video. In the past, we listened to an audio broadcast through a radio and watched a video program broadcast through a TV. We used the telephone network to interactively communicate with another party. But times have changed. People want to use the Internet not only for text and image communications, but also for audio and video services. In this chapter, we concentrate on applications that use the Internet for audio and video services.

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