Masking Part of a Title Key
You can apply a rectangular mask, to eliminate unwanted parts of the key.
The masked part is filled with the background image.
This operation is common to luminance and chroma keys.
2
Inserting Characters and Graphics (2) — Downstream Key
As its name implies, the downstream key (often abbreviated as DSK) is a key which is added downstream the title keying stages, to the already- formed composite image made up of the background and foreground images.
Background image | Foreground image |
Chapter 3 Basic
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| 1 TITLE 2 | DSK | EDGE |
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| EDITOR | LUM | LUM | LUM | TRAIL |
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| SHADOW |
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GPI | CRK | CRK | BORDER | BEVELD |
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| EDGE |
| INITIAL |
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| SET UP | MASK | MASK | MASK | SOFT |
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| SHIFT | CCR | LIGHTING MATTES | BORDER |
| PATTERN | PAGE | F1 |
| F2 | F3 | F4 | F5 | |
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| ADJ |
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| EFFECT |
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| TRANS RATE |
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| DSK |
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| FTB | SET |
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| CCR | TITLE 1 | TITLE 2 | DSK | SUPER BG FRGD 2 | MEMORY | FRAME | FREEZ | MIX | EFFECT |
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| AUXILIARY |
| SOURCE | SOURCE | FILL |
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| BLACK | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | MEMORY | INT |
| TITLE |
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| BACKGROUND |
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| VIDEO |
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| BLACK | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | MEMORY | INT | CUT |
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| FOREGROUND |
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| BLACK | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | MEMORY | INT | AUTO |
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USER PGM | SNAP SHOT |
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STATUS EDIT |
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EDIT | LEARN |
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| RECALL |
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| LOCATION |
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| INPUT |
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PATTERN NUMBER |
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| SET |
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| N/R | REV | DIRECT | DIRECT | DSK PVW |
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| RECALL PATTERN |
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| 4 | 5 | 6 | DEL |
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| P IN P | DSK |
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| DOWN | UP | ENTER |
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0
PATTERN/KEY PAD
Key source signal
Chapter 3 Basic
Operation
1 In the TITLE section of the menu control section, press one of the MASK buttons, turning it on.
The mask menu appears in the menu display.
The following example appears when the MASK button in column 1 is lit.
T1MSK | Left | Right | Top | Bottom | INVERT |
1/1 | OFF | ||||
PAGE | F1 | F2 | F3 | F4 | F5 |
2 Turn the F1(Left), F2(Right), F3(Top), and F4(Bottom) knobs to set the mask region.
Removing the mask
Press the MASK button lit in step 1, turning it off.
To invert the mask
In the mask menu, press the F5(INVERT) button, setting it to “ON”.
Operation
Program output
Note that if a preview monitor is connected, you can use it to preview the downstream key on the composite image by pressing the DSK PVW button in the
Chapter 3 Basic Operation
