Several social-economical developments, like the aging society, stimulate the use of ICT applications for mobile healthcare (e.g., tele-monitoring). To support novel m-health applications, the consequences of developing these applications should be considered in the scope of a comprehensive architecture. Additionally, contextual information plays an important role for personalised healthcare an...

television is being seen and heard increasingly in many homes. its effects on health of youth and pollution of the mind are of considerable interest, research and concern. the review of the two most popular daily newspapers of iran revealed alarming examples of violence in children imitating the aggressive acts of the television scene. since children are more vulnerable than adults, parents sho...

Broadcast digitalization with its enormous benefits to the broadcasting industry will improve the quality of content of programs delivered by television stations. Africa has a switchover date of June, 2017. For Nigerians to have access to television broadcast once the switch over is completed, they must purchase high definition television sets or the set-up box. The awareness among urban dwelle...

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This note is concerned with the effects of random noise interference in television transmission systems. Such systems are finding increasing application in surveillance and telefactor systems. Numerous results which have been scattered throughout the literature are collected and unified. Three topics are covered: 1. The calculation of the video signal-to-noise ratio for the commonly used televi...

Not so long ago, specific services and the associated networks were closely intertwined. Telecommunications networks delivered voice telephony. Broadcast systems delivered radio and television. The introduction of cable television and satellite transmission resulted in only a marginal increase in complexity. Today, one can no longer say that the service and the network are inextricably intertwi...

Digital television is a reality today, but multimedia communications, after years of hype, is still a catchword. Lack of suitable multi-industry standards supporting it is one reason for the unfulfilled promise. The MPEG committee which originated the MPEG-1 and MPEG-2 standards that made digital television possible is currently developing MPEG-4 with wide industry participation. This paper des...