Sony MLS-X1 Users Guide - Page 124
Adjusting a Chroma Key Key, Control Block, Adjusting the foreground color correction
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4 Set the [Y Balance] button in the [Color Cancel] group to the on state and set the following parameter. Adjust the ratio in which Y balance is applied to the color cancel key. No. Parameter 1 Mixture Adjustment Ratio of Y balance Adjusting the foreground color correction 1 Open the Home > M/E-1 > Key1 > Type > Chroma Adjust menu (11101.12). 2 Set the [FRGD CCR] button to the on state and set the following parameters. No. Parameter 1 Video Gain 2 Y Gain 3 C Gain 4 Hue Adjustment Video signal gain Luminance signal gain Chrominance signal gain Hue offset amount Adjusting a Chroma Key (Key Control Block) Select the target key to set and press the page selection button to display page 3/3 of the setting buttons. In the key control block, you can adjust a chroma key using the following buttons. • [SMPL MARK] button/[AUTO STRT] button: Auto chroma key • [KEY ACTV] button: Key active • [COL CAN] button: Color cancel For details about key control block operations, see "Setting the Key Type (Key Control Block)" (page 119). Executing an auto chroma key You can execute an auto chroma key based on the color specified by a sample mark. 1 Press the [SMPL MARK] button, turning it on green. 2 Set the position of the sample mark reference color using the following parameters. No. Parameter 1 POS H 2 POS V 3 SIZE Adjustment Horizontal position Vertical position Size 3 Press the [AUTO STRT] button. The auto chroma key is executed. During the auto chroma key execution, the [AUTO STRT] button is lit amber. Adjusting key active 1 Press the [KEY ACTV] button, turning it on green. 2 Set the following parameters. No. Parameter 1 CLIP 2 GAIN 3 HUE 4 DENSITY 5 FILTER Adjustment Reference level for key signal generation Key gain Key hue Key density Filter (1 to 9) a) a) No filter is applied when set to "1". The larger the value, the stronger the filtering applied. Adjusting color cancel 1 Press the [COL CAN] button, turning it on green. 2 Set the following parameters. No. Parameter 1 LUM 2 SAT 3 HUE 5 FILTER Adjustment Luminance Saturation Hue Filter (1 to 9) a) a) No filter is applied when set to "1". The larger the value, the stronger the filtering applied. 124