HELIOS LED Processing Platform - USER GUIDE
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Output adjustments (Advanced)
RGB gains - Controls overall tile color gain. This is the nal color adjustment point in the HELIOS color processing
pipeline.
Black clipping - sets the black threshold. At zero the content will be displayed as it is encoded. Increasing the black
clipping value will increase the portion of the content that is pure black. See the Low Level Noice Reduction section in
Appendix D for a discussion on how to use this control.
Figure 62: Output Adjustments (Advanced)
Limit to lowest tile max - helps in situations where mixed tile types form a contiguous display. HELIOS can restrict the
brightness of all tile types to the limit of the tile with lowest max brightness. HELIOS calculates this in two stages. First
stage sets the tile target L to the lowest tile when the Limit to lowest tile max is set. Then, the second stage will further
reduce the brightness based on the PQ content max if the Input pane → EOTF adjustments → Limit brightness to content
is set. The Image Settings menu will add the message (Limited by lowest tile max) below the nits report when this function
is active.
Figure 63: Image Settings message
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