Lyric Masked Blur
The Lyric Masked Blur filter applies a standard Gaussian blur to the clip. It can be used in conjunction with matte filters and other alpha-channel sources to allow its effect to be masked to certain areas within the clip's frame, and it can also be applied to specific image channels to achieve image-correction and other stylistic effects.
The above examples show simulated depth-of-field effects by applying the blur through cutout or gradient masks. The cut-out mask was generated with the Lyric Color Matte and the horizon gradient mask with the Lyric Gradient Matte.
The Lyric Masked Blur filter includes a set of effect controls that are common across all Lyric effect filters. For a detailed description of these controls, please see the Common Effect Controls documentation.
For background information on mattes and masks and their uses in Final Cut, please refer to the Lyric Matte Primer.
Blur Amount determines the radius of the Gaussian blur; moving it to the right increases the blur. High settings can be used with gradient masks to achieve depth-of-field blurring effects. Low settings, between 0.25 and 1.5, can be used to reduce edge aliasing, when applied through an edges matte.
The Effect Controls section is a set of common controls that are documented on the Common Effect Controls page. They can be used to achieve masked and other specialized effects.