Home Entertainment_1

Home Entertainment

1. Online Services.

   • Interactive TV is when the user can make requests to the system and the system can react to those requests. You can use services which otherwise would only of been able to use on the internet. So if you see an advert you like on ordinary TV, you can order it online from your computer without even leaving the house.
     • Pay-per-view services are usually associated with Cable and Satellite television service. You pay a subscription and an agreed amount for each film or live sports show you watch. You can choose to watch more TV than is usually offered by the standard TV companies.
       • Some interactive services include. Betting Dating Gaming Shopping Voting
       • Input
         • Remote control unit keypad or keyboard
       • Output
         • TV Screen Speakers

2. Gaming

   • Online gaming is a very popular way to connect with people all over the world. You often create a persona, so you enter the world as an imaginary character. Some are free, but some you have to pay subscription for.
   • Games consoles are a specialist device designed for playing games. They often can link to your television screen. Some games also have Gamepads that have special controls that help you play the game. Some allow you to play games as a character and simulate body movements
     • Using computes for playing games.
       • Advantages
         • Games can be educational.
           • Can simulate real life situations.
             • Some games need quick thinking and good hand- eye co-ordination.
               • Input
                 • Keyboard Gaming Joystick Mouse
       • Disadvantages
         • Form of addiction
           • May limit social skill if played alone
             • Gamers may not get enough exercise
               • Output
                 • Monitor or screen Speakers

3. Digital Photography

   • Way of capturing an image without the use of film. The images captured are in electronic format
   • Transmitted over the internet and published on websites.
     • Printed out using a colour printer
     • Displayed in electronic picture frames and albums
       • Manipulated over specific software
   • Sent to someone using a mobile phone
   • Pixels
     • Digital images are made up of millions of tiny dots. The word Pixel is a shortened term of picture element. A pixel is the smallest amount of information that can be displayed on a screen.
     • We use the unit megapixels when defining the area because many pixels are used in creating images.
       • The greater number of pixels used in a given area the higher the resolution of the image. More photos can be stored on a camera if the have a lower resolution is selected, but the quality won't be as good as something with a higher resolution.
   • Digital video camera
     • Stores video clips as digital files in the camera.
     • Many video cameras take still images.
       • Photo-editing software
         • Editing may consist of cutting out parts you don't want, changing brightness or contrast, or putting special editing features.
           • Special programs can be purchased to carry out the editing. You would have to spend hundreds of pounds on a professional editor, but you can do it free or at least quite cheap in comparison online
     • HD=High Definition SD= Standard Definition
   • Flash Memory
     • Device that slots into camera, phone or computer and saves data. It doesn't need any power and can be taken from device to device.
   • Display Devices
     • The screen used on digital cameras is a liquid crystal display. Its display resolution is also measured in pixels and mega pixels.

4. Digital Cameras

   • Digital files are stored on a flash memory card.
   • A memory card can be removed when the files have been saved on backing stores such as hard disk, DVD or CD.
   • Blu-ray recorders let disks to record in High Definition (HD)

5. Webcam Services

   • Digital camera that is used to take still and moving images. Theses images are then transmitted by the computer to where they can be stored in suitable graphic format. The cameras are usually placed on top of the computers and this simple set up allows videoconference.
     • Advantage: Monitor security. Send pictures of yourself to friends and relatives.
       • Disadvantage: Your privacy could be compromised Could send regrettable pictures,

6. Social Netwroking

   • Facebook, Twitter and Instagram are all examples of social networking.
     • Advantage: Usually free Long-lost friends can be traced.
       • Disadvantage:: Online bullying People may not be who they say they are.
         • Dangers of social networking
           • How much personal information you give away
           • Do not arrange to meet someone you have only ever met online.

7. Music and Sound

   • Music can come from many different sources such as digital TV digital audio broadcasting (DAB) the internet and CDs.
     • You can use a computer to listen to a radio station located almost anywhere in the world!
       • Advantage: Almost any kind of music can be found. Huge numbers of songs and videos can be stored in a very small space.
         • Disadvantage: Music may be illegally copied to a system. music produced electronically may not sound the same as live music.

8. Mobile Phones

   • Mobiles can be used for much more than just talking to each other. They often are called smartphones. as well as normal phone function, Smart phones can be used to take pictures access websites and even play music. They can also be transformed in to calendars, address books and games!
     • Advantage: You can ring anywhere there is cell phone signal. A smart phone tends to be quite compact People who constantly moved can be easily contactable.
     • Disadvantage: They can be annoying to others in public Expensive, May cause health problems, Can interfere with electronic equipment such as aeroplanes.