"Effect: Noise" dialog box

Used to apply "noise" to an image.

[Type] combo box

Used to specify how the noise is to be synthesized. As the type, you can specify either addition or multiplication.

[Strength] slider

Used to specify the degree of the noise effect within a range of 0 to 100.

[Threshold] slider

Used to specify the threshold for synthesizing the noise within a range of 0 to 100.

[Color] button

When this option is not selected, white noise is produced. When it is selected, on the other hand, random color noise is produced. The default is off.