High Definition television is certainly popular today. More and more consumers are investing in HD televisions in order to take advantage of the many benefits this new technology offers. The crystal-clear clarity that can be received through HDTV is often the main reason why so many consumers are willing to lay out several hundred dollars for HD televisions. Unfortunately, many consumers do not realize that their ability to take advantage of these benefits could be reduced if their viewing is limited to cable television.

This is due to the fact that a number of cities throughout the United States receive only a limited number of HD TV channels through cable television companies. In fact, there are some cities that receive only a handful of HDTV channels. Quite surprisingly, some of these areas include some of the largest market share areas in the country. Los Angeles only receives sixteen while Charlotte, North Carolina does not fare much better at eighteen channels.

Considering the investment that consumers make in a HDTV, it can be quite discouraging to bring home a wonderful new television and then realize that for the most part your television viewing will not be much different than it was with your old TV set.

As a result of limited HD television programming available through cable companies, many consumers have made the decision to switch over to satellite television. This is because there are far larger numbers of HDTV channels available through satellite television than through cable television programming. Within the basic packages, most consumers are able to take advantage of nearly three dozen HD channels. Compared to the small handful of high-definition channels offered through cable programming, this is certainly a great advantage.

Some cable companies have promised that they will increase the number of high-definition channels before the end of the year, but these promises have simply come too late for many consumers. In addition, there are consumers who have heard these promises before and are no longer willing to buy into them. The desire to watch more programming through the crystal-clear clarity of high-definition television is simply too strong. In fact, of the people switching from cable television to satellite television, the increased number of HD channels available through satellite television is frequently cited as the number one reason for changing to satellite television.

In some areas, consumers have been restricted in the past from making the change to satellite television from cable programming to receive more HD channels due to restrictions that prevented satellite TV in apartment complexes. That is no longer the case in numerous locations. Direc TV has now made it possible for apartment dwellers to benefit from satellite television. As a result, the number of apartment dwellers changing from cable programming to satellite television has increased as well. The ability to receive more of their favorite programming in crystal clear high-definition is believed to be at the crux of this increase as well.

Direct TV offers more HD channels then any other television provider (including cable and Dish Network). With the most recent satellite that has been put in orbit, Direct TV HD is now able to serve up to 150 national high definition channels and over 1,500 local HD broadcasting stations. Stop by Direct.TV for all the latest Direct TV deals and offers.

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High speed satellite internet is a great option for people who aren't in the same location all of the time. For families who only call one place home and businesses who are in the same location all year round, DSL and cable internet services will do just fine. But if you are constantly on the move, or even out to sea, then it's stating the obvious to say that a physical connection to the internet will not work for you. High speed satellite internet connection is a great, reliable and affordable solution for those people who are not stationery for a long period of time.

Another great thing that today's satellite technology can provide is live event video streaming. With the use of a satellite, you can easily create fun and affordable live satellite-to-internet video streaming. This live event video streaming is exactly what it sounds like: a live event being video taped/recorded and uploaded to a special satellite, where it is then sent back to the internet for live viewing by interested participants.

Live video casting solutions are provided by many different companies, including todocast.tv and even comcast.com. It's a great solution for when you want to share an event with people who cannot physically be there. Corporations do this all the time, as do all of the major sports leagues -- those pay-per-view baseball games, football games and basketball games you're watching are definitely the result of live event video streaming!

In general, live event video streaming refers to streaming media. Streaming media refers to multimedia that is constantly received by or presented to a use while it is being delivered by a streaming provider -- in this case, a company or even an individual through the use of specially designated satellites, positioned high above the earth.

As mentioned earlier in this article, live event video streaming is a terrific solution for people who want to share an event with others who cannot be there in person. Typically satellite media streaming is used for sports related activities, including baseball, basketball, football and wrestling, but it can also be used to share live concerts, theater performances, even weddings, graduations and other ceremonies and special events. Live video casting solutions can be used in conjunction with pay-per-view style of movie sharing, or on its own.

For more information on the wonderful technology that is live event video streaming, and to receive more information on live video casting solutions, head to the internet and do a keyword search for both terms. You'll find a lot of information on both, including examples and how to get started with your own satellite media streaming!

Kimberly Green is exploring the Technology of live event video streaming and the possibilities of live video casting.

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In traditional digital broadcasting, all contents are broadcasted to TV channels, regardless of whether or not the viewer is watching the TV. This basically wastes all the bandwidth that could otherwise be used for other services, such as high speed Internet and voice over IP. The new emerging technology uses complicated software to recognizes a viewer' s request to watch a particular TV program and then sends that program to the viewer. This action takes place transparently without viewer's knowledge.

In a cable network, groups of homes are connected on a common branch of coax cable. That is, groups of subscribers share access to the same downstream frequencies, and race for access to shared upstream frequencies. Where as, the traditional wireline networks are considered point to point, from a central office directly to a subscriber. Therefore, with sufficient switching capacity placed at the central office, infinite amount of content can be delivered to a single household. Switched Digital Video (SDV) is a new cable technology that attempts to answer this challenge. It was designed as a cost-effective method to expand program availability.

With SDV, as with IPTV, and unlike traditional digital broadcasting, programming terminates at the hub and does not go through the network unless requested. Instead, a receiver, such as set-top-box, signals upstream to request programming, and a hub-based controller receives the request and enables the stream into the network by means of a pool of allocated frequencies. In another word SDV allows operators to switch, rather than broadcast, some channels to individual service groups. A service group is typically made up of 250 or more subscribers (viewers) that use set-top-boxes to watch a TV program. Channels selected for a "switched tier" are delivered via a multicast stream only when a customer in a service group selects them for viewing.

The advantage of using SDV is that cable companies have more bandwidth available to convert into Internet channels during periods of high customer demand. The cable companies can also determine which channels are in more demand and develop localized advertising mechanism for those customers.

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Bruce Atlasi is a professional computer engineer, skilled in telecom and datacomm technologies and architecture. He has diverse working experience with many telecom start-ups and fortune 100 companies, including Cisco Systems, IBM, and Siemens.

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