Zepose 10 For Sleeping

Satellite television

Satellite television is a television transmission method consistent bounce on a communications satellite television signal emitted from a point on the Earth, so that it can reach other parts of the world. Thus it is possible for distributing television signals to large tracts of land, regardless of their terrain.
There are three types of satellite television: direct reception by the viewer (DBS) , welcome to the heads of cable TV (for redistribution) and services from local TV affiliates.

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In Spain, as in many countries, television over broadband is relatively new. The company Telefónica launched a service called Imagenio offering a "package of services" in that country known as the "trio" that includes digital TV, Internet access via broadband and voice over IP (voIP ). In 2006, Imagenio service amounted to 206,572 customers and is expected to 2008 reaching a million users. This type of service, has made the pair of copper telephone wires or be consolidated as a valid alternative to receive thematic TV channels, video on demand movies and shows or pre-paid (the famous Pay Per View in English). Technological advances in the system ADSL (leading to the development and expansion of technology ADSL2 + in Spain) allow a faster connection and transfer of hundreds of channels, as well as various interactive possibilities, sufficient grounds for the ADSL television companies have opted for a method of distributing cheaper than coaxial cable because it uses existing telephone infrastructure existing.

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-The Simpsons that Homer does something stupid.

csi: because I like to see how they solve crimes

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DIGITAL TELEVISION

Digital Terrestrial Television (DTT) is the application of the technologies of digital media content to the transmission through a conventional antenna (aerial). Applying digital technology is getting more likely, as providing a greater number of channels, better quality image or picture in high definition (HD or High Definition in English) and better sound quality (using systems such as AC3). The technology used is ATSC in North America, ISDB-T in Japan, and DVB-T in Europe, Australia, Africa and some South American countries. The rest of the world has not yet been decided. ISDB-T is very similar to DVB-T.

DTT allows an improvement in reception quality and extend the available supply in number of channels and versatility of the system: issue with multichannel sound, multiple audio, teletext, EPG (Electronic Program Guide ), radio channels, interactive services, panorama, etc. In the medium term, the analog television system will disappear completely freeing frequencies will increase the number of channels, quality and other services on DTT. The DAB digital radio system also began broadcasting in 1998 but appears in practice to be unworkable and / or unprofitable, its reception in the absence of many receivers on the market.

Zepose 10 For Sleping

Analogue TV until recently, early twenty-first century, was fully analog and way to reach viewers was through the radio air waves in the bands of VHF and UHF . Soon came the cable network that distributed channels cities. This distribution is also done with analog signal, the cable re des have a band allocated mostly to perform the tuning of the channels coming through the air along with those who arrive by cable. Its development depends on the laws of each country, while in some developed rapidly, as in England and the United States, in others like Spain have had almost no importance until the late twentieth century legislation allowed installation.
The satellite, that allows the arrival of the signal to remote areas of difficult access, development, from technology launches, allowing commercial exploitation for the distribution of television signals. The satellite performs two key functions, links to allow signals from one point to another of the world, using microwave links, and the distribution of the signal distribution.
Each of these types of emissions has its advantages and disadvantages, while the cable guaranteed to arrive in optimum signal without interference of any kind, requires an expensive installation and a center to perform the embedded signals, known as the header. You can only understand a cable run in towns where the crush of people make profitable investment of the necessary infrastructure. Another advantage of cable is to have a return path for creating interactive services independent of other systems (usually for other broadcast uses the phone line for the return journey). The satellite, high cost in building and launching can reach places inaccessible and remote. It also has the advantage of services available to viewers, which enable the commercial exploitation and cost efficiency. Communication satellite is one of the most important military logistics and many operating systems used in civil have a strategic background to justify the economic investment. Radio transmission is the most popular and more widespread. The inversion of the distribution network signal is not very expensive and can, through the network of repeaters necessary to reach remote areas, rural in nature. The signal is much less immune to noise and in many cases the reception suffers. But is the normal broadcast TV signals.