Io IP Transport, Capture, Display v16.2r1 49 www.aja.com
Buffer is set to SD 608 and the Output set to HD 709, then an industry standard
curve for changing 608 to 709 color space is applied.
• Linear - A linear 1:1 LUT is applied, resulting in no color change (every value for
source is mapped to the same value for output).
• SMPTE->FullRange - A conversion LUT from SMPTE to Full Range is applied.
• FullRange->SMPTE - A conversion LUT from Full Range to SMPTE is applied.
• User Linear - Activates the Gain and Offset controls, allowing the manual
creation of a custom LUT. Initial default setting is linear.
Figure 11. Example LUT Transfer Function Curves
• User Film Stream - Activates the Gain and Offset controls with a default curve
matching Grass Valley FilmStream cameras, and also allowing manual creation
of a custom LUT.
• User LUT File - See
below.
Gain and Offset Controls
When activated, the controls on the right allow adjustment of Gain and Offset for
Red, Blue and Green.
• Sliders - The sliders on the right can be used to change the values for each
color.
• Numeric Entry - You also enter a numeric value by clicking on the displayed
number, and can increase or decrease the values clicking on the up/down
arrow boxes.
• Cut and Paste - Right clicking on a displayed number opens a Cut, Copy, Paste
dropdown menu for convenient numeric entry.
Export
The Export button can be used to save the current LUT values as a .cube file.
The LUT file can be named and you can specify the location to save the file. This
Export feature lets you take the custom LUT with you and re-import it to another
system or location for consistency.
Reset
Clicking on the Reset button resets the currently selected LUT Type to its default
values (not active for a User LUT file).
