Video Data
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6 terms
Terms | Definitions |
|---|---|
 Video | A sequence of pictures (frames) taken one after another. These are played at speed to make it seems as if it is a moving picture. |
| Frame Rate | The number of frames played per second. The higher the frame rate the less gittery and jumpy the 'video' will be. |
| Colour Depth | (Sometimes called Bit Depth) Gives us the number of colours that each pixel is able to be. |
| Resolution | The number of pixels in a given area. It is measured in dots per inch or more often as Megapixles. The resolution may also be given as the physical dimensions of the screen e.g.(640 X 480) |
| Video Capture Card | This card takes the incoming data stream and translates it into a format that the computer can use. it performs any encoding or compression neccesary. |
| Reducing File Size | This can be done by ; Reducing the frame rate, Reducing the Bit Depth, Reducing the resolution, Cropping the image (Frames),Cutting the video (Removing unnecesary frames) or applying Compression. |
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