Below is a YouTube clip of how 3D TV works;
3D Tv gives the illusion of whats happening on screen come out of your tv, like it's infront of you.
A few years ago, We had the digital switch over, this meant all televisions had Free view, which means you didn't need a free view box any more, free view now comes with the TV, so in a way, free view is now the new basic channels. Before the digital switch over, if you didn't have a Free view box, which adds channels such as e4 and fiver, then you just had the basic channels (channels 1, 2, 3, 4, 5). I think the fact everybody has at least free view now is good as the channels shown on free view apply to all age groups.
Satellite television.
Satellite television is things such as Sky. Sky uses a satellite dish that sits ontop of your house at a specific angle and point that points upto the sattellite in the sky, then codes are sent through to the Sky box and the box then de-logs them so you can watch the chanels. If their is bad weather, the Sky can then lose signal. There is a thing called direct broadcast satellite which basically means direct to your home. Direct broadcast satellite are commonly known as mini dish systems. The signal can either be through a satellite or from the actual television service.
Cable television.
Cable television is different to sattellite television in that it doesn't use an antenna, it sends television programmes via radio frequency. Their are wires going underneath the ground to enable you to view the programmes. For example, Virgin Media does this. In a sense I definitley think cable television is better than sattellite as their is only a very slight chance that you will lose signal as the signals are all sent from underground, so obviously bad weather won't affect the signal.
Interactive television.
Interactive television is basically what comes with sattellite and cable television. You can access advertisements via the red button on the television remote. By doing this you can also go on internet related sites. I think interactive television is really clever as you can choose the angle to the one you want to watch the program from. For example, a football match. This will be really appealing to people who are interested in new developments in technology. You can also access television programmes via the internet. For example there is BBC iPlayer where you can type in the programme of your choice, and watch it. I myself watch Waterloo Road catch ups, I sometimes prefer watching programmes online this way as sometimes the adverts are cut out which means you don't have to wait about.
High Definition Television.
High Definition television, usually known as HDTV is basically a better quality viewing of programmes/films. The picture is clearer. In my opinion I don't think HD makes that much of a difference, I think it's slightly over-rated and hasn't really improved anything. When I view a programme in HD, I only notice a slight different in the image and I don't think it makes the programme any better.
Streaming Media and Internet Television/ on- demand viewing.
On- demand viewing on our TV is on cable and sattellite television. It's an extra service you get if you are with say Sky or Virgin. It means you are able to view programmes that you maybe couldn't watch at the time they were being aired. You can select it from your menu on your television screen and watch it at a time right for you. For example, on Virgin Media, there is a guide where you can select '4 on Demand' where you can watch any programme that has been aired on channel 4 that week. I think this is a really appealing thing as you don't even have to record the programme to watch it, you know it's already there.
Digital Recorders.
Digital Recorders let you record shows that have been previously shown on TV that you have missed. On Sky+ you can rewind and forward the programme as well. You can also do this even if it is live TV. Sky and Virgin are different to each other when it comes to digital recording as with Sky you can forward and rewind at your free will but with Virgin Media when you watch a recorded programme it automatically cuts the adverts out with you so you don't have to. When it comes to this I think Virgin Media is slightly better as it's less hassle for the viewer. You can also record more than two programmes at a time and their is more storage available.
Pay Per View
HD Ready and HDTV.
High Definition Television.
High Definition television, usually known as HDTV is basically a better quality viewing of programmes/films. The picture is clearer. In my opinion I don't think HD makes that much of a difference, I think it's slightly over-rated and hasn't really improved anything. When I view a programme in HD, I only notice a slight different in the image and I don't think it makes the programme any better.
Streaming Media and Internet Television/ on- demand viewing.
On- demand viewing on our TV is on cable and sattellite television. It's an extra service you get if you are with say Sky or Virgin. It means you are able to view programmes that you maybe couldn't watch at the time they were being aired. You can select it from your menu on your television screen and watch it at a time right for you. For example, on Virgin Media, there is a guide where you can select '4 on Demand' where you can watch any programme that has been aired on channel 4 that week. I think this is a really appealing thing as you don't even have to record the programme to watch it, you know it's already there.
Digital Recorders.
Digital Recorders let you record shows that have been previously shown on TV that you have missed. On Sky+ you can rewind and forward the programme as well. You can also do this even if it is live TV. Sky and Virgin are different to each other when it comes to digital recording as with Sky you can forward and rewind at your free will but with Virgin Media when you watch a recorded programme it automatically cuts the adverts out with you so you don't have to. When it comes to this I think Virgin Media is slightly better as it's less hassle for the viewer. You can also record more than two programmes at a time and their is more storage available.
Pay Per View
Pay Per View is used with things such as Sky Box Office where you can buy films so you can watch them for a certain amount of time. You can order this via the phone, or you can use the interactive option of pressing the red button with your details and via the internet.
There are four types of HD; HD Ready, HDTV, HD Ready 1080p and HD TV 1080p. HD Ready means anything that is capable of previewing HD related things. However that doesn't have a built in capable HD tuner. HD TV obviously is a TV that shows things in HD already as it has it already built in.
Film based
CGI
Computer Generated Imagery, Shortened to CGI is specifically used for 3D computer graphics for things such as videos, commercials and television programs. Because of this application, CGI allows smaller based companies to create small scale videos to a proffessional standard. Technology over a long period of time has allowed things like this to be created and be a lot more advanced. The images created on the computer now look really lifelike. I think this is really good as years ago you wouldn't really have thought this possible. There are two types of CGI, 3D animation and motion capture. 3D animation is things such as disney movies like Toy Story and monsters inc. I think Motion capture animation makes things more clearer. 3D animation to me is sometimes un-needed when it comes to some films. For example, I think Toy Story doesn't really seem any better in 3D than normal. Motion capture animation means older films for example the Jungle Book, the picture isn't as clear as it is now. Also I think you can really see the difference in the first ever toy story which came out in 1995 and the newest toy story,


