Composing Images Using Chroma Keys - Sony MVS-3000A System Startup Manual

Composing Images using Chroma Keys

Combine images of people and scenery using keys.
The following describes key 1 on the M/E-1 bank, as an
example.
1
Select the key video.
a In the 1st row of the cross-point control block, press
the [KEY1] button, turning it on.
b In the 2nd row, select the key video (foreground).
KEY1 button
Cross-point control block
Foreground video (blue background)
2
Select the background.
a In the background A row, press a cross-point button
to select a background.
3
Select the keyer, key signal, and key type.
a In the Flexi Pad, press the [KEY ADJ] button,
turning it on.
b Press the [M/E1] button, turning it on.
c Press the [KEY1] button, turning it on.
d Press the [CRK] button, turning it on.
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Composing Images using Chroma Keys
1st row
2nd row
Foreground signal
Background video
KEY ADJ button
KEY1 button
M/E1 button
MVS-6520/3000A diagram shown.
On the MVS-3000, the [DME1] and [DME2] buttons are not
displayed.
On the MVS-6530, the [M/E2] button is also displayed.
Flexi Pad
4
Execute auto chroma key.
a Press the [SMPL MARK] button, turning it on.
The foreground video only is output.
b Adjust the size and position of the sample mark
using the adjustment knobs to specify the blue
portion of the background.
c Press the [AUTO STRT] button.
SMPL MARK button
Flexi Pad
CRK button
Adjustment knobs
AUTO STRT button