نتایج جستجو برای: digital video broadcasting
تعداد نتایج: 481335 فیلتر نتایج به سال:
A request control scheme for data recovery in DVB-IPDC systems with spatial and temporal packet loss
Recently, DVB-H (digital video broadcasting–handheld) and DVB-IPDC (IP datacast over DVB-H) have been developed to support broadcasting services. DVB-H is designed to support digital video broadcast for handheld devices, while DVB-IPDC can integrate with an IP-relay network to complement the data loss problem in DVB-H. Assuming that WiMAX networks are adopted to support DVB-IPDC, this paper poi...
Within the scope of this paper we focus on the investigation of potential scenarios for providing clips via common broadcasting platform for sharing these across social media. We develop the idea of a digital clip gift shop and present a technical solution as well as a discussion about its business potential. The digital clip gift shop is discussed on the basis of four scenarios, where we ident...
Digital Video Broadcasting over Terrestrial Networks (DVB-T) is an increasingly popular option for receiving TV in Europe, with computer hardware available to capture the MPEG-2 [2] compressed digital streams. 802.11 wireless networks are also becoming commonplace in the home, and so it is a logical extension to allow digital TV to be distributed over a wireless LAN. In such an environment, it ...
Broadcasting protocols can improve the efficiency of video on demand services by reducing the bandwidth required to transmit videos that are simultaneously watched by many viewers. It has been recently shown that broadcasting protocols using a very large number of very low bandwidth streams for each video required less total bandwidth than protocols using a few high-bandwidth streams shared by ...
There is a large volume of video which exists in the world today, stored in a multitude of different forms. In order to make this information more easily accessible, we need methods of organizing this data in an intelligible manner. This thesis suggests a method of cataloging and browsing videos by extracting key frames from the individual shots and scenes in the film. The algorithms presented ...
Broadcast Technology No.45, Summer 2011 ● C NHK STRL Versatile Functions of Digital Broadcasting Japan's TV broadcasting is going completely digital. This exhibit introduced various unique features that allow viewers to get the most from digital services, along with their supporting technologies and VHF-band Mobile Multimedia broadcasting, which is scheduled to start after analog broadcasting e...
Digital broadcasting is a novel paradigm for the next generation broadcasting. Its goal is to provide not only better quality of pictures but also a variety of services that is impossible in traditional airwaves broadcasting. One of the important factors for this new broadcasting environment is the interoperability among broadcasting applications since the environment is distributed. Therefore ...
We present a new approach for classifying mpeg-2 video sequences as ‘cartoon’ or ‘non-cartoon’ by analyzing specific video and audio features of consecutive frames in real-time. This is part of the well-known video-genreclassification problem, where popular TV-broadcast genres like cartoon, commercial, music, news and sports are studied. Such applications have also been discussed in the context...
This paper analyses the possibility of receiving high data rate multimedia services in the non-stationary urban mobile scenario using the digital video broadcast standard DVBT2. The work focuses on the complex urban mobile environment and presents a comparison between the different configuration parameters and the data rates associated to different video services. The study is based on the expe...
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