Effects and Tools Reference > Blend & Comp >

# Blend & Comp Menu Settings

## General Settings

Blend Type box
  Select the set of blend mode operations available in the Blend Mode box.

Blend Mode box
  Select a blend operation. Options determined by Blend Type box.

Swap Inputs button
  Enable to switch the rendering order of the inputs.

## Input Settings

NoteInput 1 and 2 settings are identical. Activate and use based on inputs selected for Blend & Comp.

Active button
  Enable to activate the input.

Clamping box
  Select a clamping option.

Matte box
  Select how the matte is used when blending.

Pre-multiplication box
  Select whether the colour values in the input are pre-multiplied or divided from the alpha, or left as-is when blending.

Transparency field
  Displays the transparency value. Editable.

Gain Trackball
  Adjusts the gain of the input.

Saturation field
  Displays level of colour purity in the image. Editable.

Gamma field
  Displays the gamma level. Editable.

Offset field
  Displays a value that modifies all of the colour parameters. Editable.

Red Gain field
  Set the percentage of colour values in the red channel. Editable.

Green Gain field
  Set the percentage of colour values in the green channel. Editable.

Blue Gain field
  Set the percentage of colour values in the blue channel. Editable.

Luma Gain field
  Set the percentage of luma gain value to display. Editable.

Proportional button
  Enable to adjust the gain of the colour values proportionally.

## Matte Blending Settings

Composition box
  Select how the input mattes are combined.

Correlation box
  Select whether the mattes are related to each other.For example, select Correlated if the mattes are from different, but continuous parts on the same object.

## Result Output Settings

Blend With box
  Select whether you want to blend the inputs with the second input clip, the background clip or a colour.

Blend Type box
  Select the set of blend mode operations available in the Blend Mode box.

Clamping box
  Select a clamping option.

Blend Mode box
  Select a blend operation. Options determined by Blend Type box.

Transparency field
  Displays the transparency value. Editable.

Gain Trackball
  Adjusts the gain of the input.

Saturation field
  Displays level of colour purity in the image. Editable.

Gamma field
  Displays the gamma level. Editable.

Offset field
  Displays a value that modifies all of the colour parameters. Editable.

Red Gain field
  Set the percentage of colour values in the red channel. Editable.

Green Gain field
  Set the percentage of colour values in the green channel. Editable.

Blue Gain field
  Set the percentage of colour values in the blue channel. Editable.

Luma Gain field
  Set the percentage of luma gain value to display. Editable.

Proportional button
  Enable to adjust the gain of the colour values proportionally.