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Satellite tv brings the world together

Added: 21-07-2010
Author: Y. Tilden
Category: Satellite Television

Introduction of satellite TV in the years of 1960 ushered in a new era of international communications. Inherent weaknesses previously commercial audio-visual transmission methods, including the importance of line-of-sight, and the decay of natural radio signals long distance, it was eliminated by using a transceiver that is located on the planet itself.

Not many people know that the Soviets was one of the main drivers of the use of satellites for TV purposes. This ancient land created the first national network of satellite television, called Orbita, in 1967. However, when NASA built-6 consumption is considered as the first example of direct broadcast satellite (DBS). Satellite able to demonstrate the possibility of broadcasting directly to homes, which became the basis of almost all users of commercial satellite television broadcasting level.

Satellite transmission can be classified into several levels. Analog TV is distributed via satellite is usually sent through the NTSC, PAL or SECAM broadcast standards. A digital TV signal or the multiplex signal, usually below the standard QPSK. And digital TV, as the principles and the satellite subscription television services, usually using open source standards such as MPEG-2. Latest technological developments in the world of high-definition TV, however, has been using H.264/MPEG-4 AVC system grow faster performance.

Improvements in satellite data transmission technology is usually also require an upgrade to a terrestrial receiver. Only in the last two decades, the cost of satellite TV systems like getting out of the reach of many consumers. But now, this receiver (also referred to as the satellite boxes) are two state-of-the-art and affordable. Clean, clear and most TV channels range is now available all over the world, for practically everywhere in the world for each Sync.

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Satellite tv brings the world together