INTRO TO MULTIMEDIA. MAT 103 | Alejandra Jarabo |
Multimedia Arts & Technologies Division. Santa Barbara City College |
Digital video general topics |
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Digital video and screen resolution: | ||
The pixel resolution of DIGITAL VIDEO on screen is 640 X 480 pixels (half screen is is 320 X 240 pixels). Traditional video has a 4:3 aspect ratio (a standard rectangular format: think of olf TV sets) DV is the most popular tape format for Digital Video (dv and mini Dv tapes). The 640 X 480 and 720 X 480 formats are called Standard Definition video (SD). |
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Youtube uses |
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High Definition video HD is a general term for video that is usually 1280 X 720 pixels: known as 720p Both sizes have a 16:9 aspect ratio, commonly referred to as wide screen. |
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Scan Modes A progressive frame on video contains information for every pixel row. An interlaced frame breaks up the full video frame across two fields of video. All computer monitors display progressive frame rates. |
The effects of an interlacing video can most easily be seen on a subject matter that moves quickly across the camera's view. | |