Digital Television


Introduction

If you have looked at television sets at any of the big electronics retailers lately, you know that digital TV or DTV, is a BIG deal right now .

In this talk ,we will explore the world of digital television so that everybody can understand what is going on in this medium.

But before we start knowing digital TV, it is helpful to understand analog TV so that we can see the differences.

Basics Of Analog TV

A video camera takes ....etc

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Internet Security
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INDUSTRY ANALYSIS
ON
DIRECT TO HOME (DTH)
television

INTRODUCTION

Overview of the Industry

The history of Indian television dates back to the launch of doordarshan, India s national TV network in 1959. The transmission was in black & white. The 9th Asian games which were held in 1982 in the country s capital New Delhi heralded the mark of color TV broadcasting in India. In 1991, Indian economy was liberalized from the License Raj and major initiatives like inviting foreign direct investments, d ....etc

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IPTV is a method of delivering broadcast television and on-demand, rich media content that uses an Internet protocol (IP) network as the medium. Any broadband IP network can be used for IPTV. However, IPTV is most prominently used as the primary mechanism for carriers, such as telephone companies (telcos), and cable and satellite TV carriers, to deliver television to mass audiences over existing communications infrastructures. IPTV offers carriers flexibility and added value in the form of additional services that can be offered to customers, w ....etc

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Television systems that have a resolution that meets standards but not considered high definition, this is what Standard-definition television or SDTV refers to. This usually refers to digital television, especially while broadcasting at the same (or similar) resolution as analog systems. In ATSC, SDTV can be broadcast in 704 pixels ? 480 lines with 16:9 aspect ratio (40:33 rectangular pixel), 704 pixels ? 480 lines with 4:3 aspect ratio (10:11 rectangular pixel) or 640 pixels ? 480 lines with 4:3 ratio (and square pixels). The refresh rate can ....etc

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Abstract
IPTV is a very useful system, through which you can receive both TV and video signals along with other multimedia services by means of your Internet connection. In a nutshell, it is nothing but a broadband connection and a system to deliver various programs of television using the Internet protocol (i.e., language) over computer networks.
It is important to remember that IPTV is not like any ordinary television program broadcast through the Internet, but rather it is unique in itself. Its contour is represe ....etc

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CLOSED CIRCUIT TELEVISION

ELECTRONICS AGAINST TERRORISM

INTRODUCTION:
As the name implies, Closed Circuit Television (CCTV) is a system in which the circuit is closed and all the elements are directly Connected. Directly connected in this context includes systems linked by (CCTV) is the use of video cameras to transmit a signal to a specific place, limited set of monitors
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Introduction

3D content is supplied by two methods:-
1. Novel 3d camera for static video.
2. Multiple cameras for dynamic
video.

CONVERSION FROM CONVENTIONAL 2D VIDEO

Two types of conversion methods:-
1. offline conversion
-use at content provider side
2. online conversion
-use at viewer side ....etc

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