Sony MLS-X1 Users Guide - Page 118

In an SL key, there are restrictions on the functions and settings that can be used. For details about setting SL keys, see "Setting an SL key" (page 387). For details about SL key restrictions, see "SL Key Restrictions" (page 516). To use the SL key function, the MZS-X1620 SL Key License (option) is required. When the system signal format is 2160P, the SL key function must be enabled for use. For details about setting GPU functions, see "Setting a GPU" (page 363). Key fill/key source for SL keys Still image combined content is used as the key fill/key source for SL keys. When content is selected as a key fill/key source for an SL key, the content must be loaded into the SL key work area using the key 5 to key 8 menus. The number of content resources that can be loaded into an SL key is given below. System signal format 2160P 1080P 1080i Number of content resources 20 80 80 Key Type The key type sets the manner in which the key source is used to cut out the background. For details about key types, see "Key Type" (page 116). Setting the Key Type (Menu) This section describes the M/E-1 key 1 menu as an example. Setting the key type 1 Open the Home > M/E-1 > Key1 > Type > Type Select menu (11101.11). 2 In the [Key Type] group, select a key type. Luminance: Luminance key Linear: Linear key Chroma: Chroma key Key Wipe Pattern: Key wipe pattern key When the [Luminance] button or [Linear] button is selected, set the following parameters. No. Parameter 1 Clip 2 Gain 3 Density 4 Filter Adjustment Reference level for key signal generation Key gain 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. When the [Chroma] button is selected, set the following parameter. No. Parameter 3 Density Adjustment Key density When the [Key Wipe Pattern] button is selected, set the following parameters. No. Parameter 1 Size 2 Soft 3 Density Adjustment Pattern size Softness of the pattern contour Key density 118