نتایج جستجو برای: tv broadcasting system

تعداد نتایج: 2257652  

Journal: :IEICE Transactions 2011
Kimiyuki Oyamada Tsuyoshi Nakatogawa Madoka Nakamura

Super Hi-Vision’ (SHV) is promising as a future form of television. It is an ultra-high definition TV system that has 16 times the number of pixels of HDTV and employs a 22.2 multichannel sound system. It offers superior presence and gives the impression of reality. The information bitrates of the current prototypes range from 24 to 72 Gbit/s, and a fiber optic transmission system is needed to ...

Journal: :The Journal of the Institute of Television Engineers of Japan 1987

Journal: :JVRB 2007
Konstantinos Chorianopoulos George Lekakos

Interactive TV technology has been addressed in many previous works, but there is sparse research on the topic of interactive content broadcasting and how to support the production process. In this article, the interactive broadcasting process is broadly defined to include studio technology and digital TV applications at consumer set-top boxes. In particular, augmented reality studio technology...

Journal: :International Journal of Science and Society 2022

The article presents (1) the technical characteristics of Mobile TV [Mobile TV] and how it differs from IPTV Internet [Internet TV], (2) network, spectrum equipment issues that will influence regulatory framework, (3) opportunities created for when migrating to digital TV, (4) a case study in Mexico concerning framework telecommunications broadcasting services, market players, availability, mig...

Journal: :Journal of Systems and Software 2011
Saraju P. Mohanty Elias Kougianos

Existing secureembeddedsystemsareprimarily cryptographybased.However, for effectiveDigital Rights Management (DRM)ofmultimedia in the frameworkof embedded systems, bothwatermarking and cryptography are necessary. In this paper, a watermarking algorithm and corresponding VLSI architectures are presented thatwill insert a broadcaster’s logo into video streams in real-time to facilitate copyrighte...

1999
J. Gabszewicz Didier Laussel Nathalie Sonnac

We analyse the rivalry between two TV-channels competing both on the market for audience and the market for advertising. We identify the nature of TV-programs emerging from this competition, and the quantity of advertising that TV-viewers will have to attend at equilibrium. Finally, we examine how a government’s regulation of this quantity will affect programs’ selection by the channels. CORE, ...

2005
Uwe Rauschenbach

This contribution presents some recent developments in interactive digital television and discusses the trends and challenges of bringing TV services to mobile devices. Two areas will be addressed: portable use of mobile devices to complement the TV set in the home and mobile TV services while on the move using the emerging mobile broadcasting technology.

Journal: :Journal of Flm Arts and Film Studies 2017

2012
Ladislav POLÁK Tomáš KRATOCHVÍL

This paper deals with the second part of the latest digital TV standard DVB-SH (Digital Video Broadcasting – Satellite to Handhelds) with focus on utilization of its advantages for the next generation of mobile TV broadcasting. In the second part the simulation model of DVB-SH-B, which is using satellite configuration with TDM (Time Division Multiplexing) transmission mode, is presented. The wo...

Journal: :medical journal of islamic republic of iran 0
koorosh etemad department of epidemiology, school of public health, shahid-beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) parvin ebrahimi department of health services management, school of health management and information sciences, & health management and economics research center, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) hassan azimi community medicine department, faculty of medicine, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) mansoureh lotfi health services management, vice-chancellor for research, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) marzieh nojomi school of medicine, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

background: media advertisements especially radio and tv are one of the most important and effective ways for health promotion and consumption of healthy productions worldwide. ministry of health and some other ministries in iran agreed to control and restrict the advertising of unhealthy products and services. therefore, adequate supervision and monitoring should be done in this field.  a cont...

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