Analog Video
- Analog video can be classified as interlaced.
- Video programs like SECAM are interlaced where each frame consisting two fields displayed in two passes.
- A frame of an interlaced video is divided into fields. Each field contains every horizontal line.
- Due to the analog we see a flicker affect
- Due to our T.V. being analog devices all the broadcasting is done on analog video.
- VHS are examples of analog videos.
- Analog cameras are used to capture the shots.
Digital Video
- Digital video can be classified as non-interlaced.
- Most PC displays uses progressive slams in which all lines in a frame are displayed in one pass from top to bottom before next frame.
- While for the digital video frame, the whole frame is read from to bottom then to the next.
- Due to the digital format the flicker effect is eliminated.
- Computer related work and post production work is done using digital videos.
- VCD, DVD are examples of digital video.
- Now we get digital cameras to capture the shot.
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