Thursday, May 19, 2011

Digital Video

1. What are some advantages of digital video?
One advantage of using digital video is that it is farely easy to edit and upload onto youtube or ipod.


2. What is meant by frame rate in video?
Frame rate in video refers to the speed at which an image is refreshed(mainly in frames per second-FPS).

3. Are all videos/movies the same frame rate, explain your answer.
Not all videos/movies are the same frame rate- it depends mainly on the quality of the video/movie.

4. What is meant by resolution, how is it measured.
Resolution describes the detail an image holds, it is usually measured in pixels.

5. What is the colour system called RGB?
RGB-Red Green Blue: is an addictive colour model in which red, green and blue are added together in various to reproduce a broad array of colours.  

6. Explain the video standards PAL, NTSC, and SECAM, what are the main differences between them.
PAL-Phase Alterning Line
NTSC-National Television System Committee





No comments:

Post a Comment