Effects and Tools Reference > Difference Matte >

# Difference Matte Menu Settings

## General Settings

You can enable the RGB or the YUV settings to generate a matte clip.

### RGB Settings

RGB button
  Enable to use values in the RGB colour space to generate a matte.

R button
  Enable to use the red colour channel to create the matte.

G button
  Enable to use the green colour channel to create the matte.

B button
  Enable to use the blue colour channel to create the matte.

Red Tolerance colour pot
  Displays the value of the red channel used to create the matte. Editable.

Red Tolerance field
  Displays the value of the red channel used to create the matte. Editable.

Green Tolerance colour pot
  Displays the value of the green channel used to create the matte. Editable.

Green Tolerance field
  Displays the value of the green channel used to create the matte. Editable.

Blue Tolerance colour pot
  Displays the value of the blue channel used to create the matte. Editable.

Blue Tolerance field
  Displays the value of the blue channel used to create the matte. Editable.

Red Softness colour pot
  Displays the softness value applied to the red channel to create the matte. Editable.

Red Softness field
  Displays the softness value applied to the red channel to create the matte. Editable.

Green Softness colour pot
  Displays the softness value applied to the green channel to create the matte. Editable.

Green Softness field
  Displays the softness value applied to the green channel to create the matte. Editable.

Blue Softness colour pot
  Displays the softness value applied to the blue channel to create the matte. Editable.

Blue Softness field
  Displays the softness value applied to the blue channel to create the matte. Editable.

Gain field
  Displays the value that the resulting pixel values are multiplied by to create the final matte. Editable.

Lift field
  Displays the value added to the resulting pixels to create the final matte. Editable.

### YUV Settings

YUV button
  Enable to use values in the YUV colour space to generate a matte.

Y button
  Enable to use the Y channel (luminance) to create the matte.

U button
  Enable to use the U channel (chrominance) to create the matte.

V button
  Use the V channel (chrominance) to create the matte.

Y Tolerance colour pot
  Displays the value of the Y channel used to create the matte. Editable.

Y Tolerance field
  Displays the value of the Y channel used to create the matte. Editable.

U Tolerance colour pot
  Displays the value of the green channel used to create the matte. Editable.

U Tolerance field
  Displays the value of the U channel used to create the matte. Editable.

V Tolerance colour pot
  Displays the value of the V channel used to create the matte. Editable.

V Tolerance field
  Displays the value of the V channel used to create the matte. Editable.

Y Softness colour pot
  Displays the softness value applied to the Y channel to create the matte. Editable.

Y Softness field
  Displays the softness value applied to the Y channel to create the matte. Editable.

U Softness colour pot
  Displays the softness value applied to the U channel to create the matte. Editable.

U Softness field
  Displays the softness value applied to the U channel to create the matte. Editable.

V Softness colour pot
  Displays the softness value applied to the V channel to create the matte. Editable.

V Softness field
  Displays the softness value applied to the V channel to create the matte. Editable.

Gain field
  Displays the value that the resulting pixel values are multiplied by to create the final matte. Editable.

Lift field
  Displays the value added to the resulting pixels to create the final matte. Editable.