Setting A Mask For A Key; Adding An Edge To A Key; Adjusting The Size And Position Of The Key - Sony MCS-8M Operating Instructions Manual

The key fill and key source pairs selected when [Auto]
is selected are as follows.
Key fill
Frame memory video
Black video
Signals other than the above
1) If you perform keying with white video as the key source, the key fill
video will fill the entire screen.
Key fill selection modes
Bus: Signal selected with a cross point button
Matte: Signal generated with the color matte generator
within the unit (you can adjust the color under [Key
Fill Mat Adjust])

Setting a Mask for a Key

Key mask is a function for masking a portion of the key
signal.
Background
V
World Market
The inside of the
mask will be used
as the key.
Settings menu: [Key Mask] (page II-25)

Adding an Edge to a Key

You can add a border to the edge of the key (border) and
defocus the edge of the key (soft).
Note
When you add a border to a key, the positions of the key
fill and key source will move downward.
II-22
Setting Keys
Key source
Frame memory key
1)
White video
Same signal as key fill
V
World Market
2008
Mask Portion
Setting modifiers for the key edge
Turn drop mode on or off and set the type of modifier.
• If you turn drop mode on, the position of the key fill and
key source will move downward, regardless of whether
borders are added. If you do not want to move the
position of the key in response to whether key border is
turned on or off, turn drop mode on.
• You can select any of the following modifiers.
Normal
Normal: The state in which a border around the key is
not added.
Border: Allows you to add a border around the key and
adjust the width and border density.
Settings menu: [Key Edge Type] (page II-25), [Border
Adjust] (page II-25), [Border Matte Adjust] (page
II-25), [Key Soft Edge] (page II-25)
Adjusting the Size and Position of
the Key
Under the [Resizer] menu, you can apply effects, such as
reducing, enlarging, moving, and changing the aspect
ratio, to the created key portion in a similar manner as
DME (resize function).
Notes
• If a resize effect is applied to the key, there will be a
one-frame delay in the image.
• Of the DME wipe, key DME wipe, and resize functions,
only one can be used at any one time.
To enable the resize function
Display the [Key] menu, turn the V1 knob to select
[Resizer], and turn the V4 knob to select [On]. (See page
II-23)
To display the [Resizer] menu
Display the [Key] menu, turn the V1 knob to select
[Resizer], and press this knob.
For details on the [Resizer] menu, see "[Resizer] Menu" (page II-26).
Border