米6体育平台手机版

DLPU115 January 2022 DLPC3421

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3.3.1.2 Write Parameters

Table 3-33 describes the command parameters.

Table 3-33 Write Parameters

Parameter Bytes	Description
Byte 1	See Figure 3-42
Byte 2	LABB strength setting

Figure 3-42 Byte 1 Return Parameters

MSB	Byte 1						LSB
b7	b6	b5	b4	b3	b2	b1	b0

b(7:4)	Sharpness strength
b(3:2)	Reserved
b(1:0)	LABB control: 0h: Disabled 1h: Enabled: Manual strength control 2h: Reserved 3h: Reserved

The key function of the LABB is to adaptively gain up darker parts of the image to achieve an overall brighter image.

For LABB strength, 0 indicates no boost applied and 255 indicates the maximum boost viable in a product. The strength is not a direct indication of the gain, since the gain varies depending on the image content.

Sharpness strength ranges from 0 to 15, with 0 indicating sharpness disabled and 15 indicating the maximum sharpness. The LABB function must be enabled to make use of sharpness.

LABB is supported in TPG, splash, and external input mode, but auto-disabled in curtain mode.

Note: This command is not supported on the DLPC3420 (QnHD) controller.