Sony DVS-7300, User Manual

Page: 280 / 606

5-20
Chapter 5 Chroma Keying
Forming a combined image using clean chroma key
Use the following procedure.
1
In the CHROMA KEY menu, select item 1 (SETUP).
The SETUP menu appears.
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10
3 2 1 MODE
SINGLE
4
KEY
BUS
FRGD
FORMAT
422
TYPE
CLEAN
KEY
MIX
ADD
FRGD/
BKGD
FRGD
FRGD INPUT SELECT
Function key indications in the CHROMA KEY SETUP menu
(using the enhanced chroma key function)
(In a D2 system, the F8 (KEY BUS) and F9 (FRGD FORMAT)
indications do not appear.)
2
Press F2 (TYPE), to select “CLEAN”.
If you select “RGB”, then as when the BKDS-2032 board is not installed
(standard chroma keying), after selecting chroma key as the key type on
the M/E bank, the combination is carried out by a key transition.
For details of the operation when you select “RGB”, see the section
“Basic Operations” (page 5-5).
3
Press F3 (FRGD/BKGD) to select “FRGD”.
4
Press one of F4 (1) to F7 (4) to select the foreground signal.
In a D1 system, you can select F8 (KEY BUS). In this case, select
“CHR” as the key type for the same keyer as the key bus on which the
foreground is selected. (For example, when the foreground is selected on
the key 1 bus, set the key type for keyer 1 to be “CHR”.)
Again, if F9 (FRGD FORMAT) is set to 4:2:2, although the combination
will be performed with a clean chroma key, the combined image quality
will be the same as an RGB chroma key.
Enhanced Chroma Keying (Single Mode)