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18 Cards in this Set
- Front
- Back
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Legacy Format |
4:3 |
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Standard aspect ratio around the world |
16:9 |
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Academy format |
21:9 (1.85:1) Cinema use |
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Pillarbox |
Black bars on the L & R of the screen. Usually when 4:3 is shown in 16:9 screen. |
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Postage stamp |
When letterboxes 4:3 screens are shown on 16:9 TV. |
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Deep letterbox |
When cinema ratio is placed on a 16:9 screen. |
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Centre cut-out |
When set-top-box manufacturers allow the viewer to fill the screen. 16:9 > 4:3 Freeview boxes allow for half zoom; 14:9. Introduced by the BBC |
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Shoot & Protect |
Essential action must be kept inside this frame when recording. Different aspect ratios are set by broadcasters for camera operators. |
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Anamorphic |
Confined to SD and movies normally. For a 4:3 picture which should be viewed as 16:9. Anamorphic format is the cinematography technique of shooting a widescreen picture on standard 35 mm film or other visual recording media with a non-widescreen native aspect ratio. |
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FHP |
Full-height anamorphic A 16:9 picture that is filmed by being electronically squeezed along the horizontal axis into a 12:9 (4 x 3) frame and expanded using an aspect-ratio converter. |
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Pan & Scan |
When 16:9 is zoomed and tracked to accommodate 4:3 frame. |
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Aspect ratio convertor |
Always in the broadcast stream Switching 4:3 > 16:9 > 4:3 etc... |
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Aspect ratios changes in satellite TV |
In the VBI (Vertical Blanking Interval) frame |
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Active Format Descriptor |
6 digit code used with Freeview only to convey picture size and protected areas. |
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Domestic cut-off Save action frame |
Border round the inside of a frame. 10% from the edge. |
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Domestic cut-off Save caption frame |
Titles go in here. 20% from the edge. Used as TV screens have areas under the bezel. |
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DOG |
Digitally Originated Graphics |
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Underscan |
In the studio and on location you will want to be sure that you can see everything in the frame so many monitors, including gallery monitors and camera viewfinders are set to underscan. That is to say that the scans do not go all the way to the edge of the screen so there is a black border around the picture. |
