Lyric Areas Matte
The Lyric Areas Matte produces a matte that selects the broad areas in a scene, essentially all the areas within boundaries between between different colors. It is effectively an inverse of the Edges Matte with the controls reversed to make sense for area selection. It is typically used as a filter mask, allowing you to apply adjustments just to the broad areas in an image, such as blurring to reduce noise, but it can be used to generate interesting line-drawing style effects.
The filter provides two alternative area-boundary methods: Soebel Convolution and Gaussian Differencing. See the section in the on Edge-Detection Methods in the Edges Matte for discussion and examples of the two methods, keeping in mind that the area matte is effectively an inverse of the Edges Matte
The Lyric Areas Matte filter includes a set of matte and output controls that are common across all Lyric matte filters. For a detailed description of these controls, please see the Matte Common Controls documentation.
For background information on mattes and their uses in Final Cut, please refer to the Lyric Matte Primer.
The Areas Matte has two alternative boundary or edge-detections methods, Soebel Convolution and Gaussian Difference, selectable in the Boundary Method dropdown menu. See the Edge Detection Methods discussion in the Edges Matte for details.
The Threshold slider controls the sensitivity of both boundary methods; lower values reduce sensitivity, broadening the edges and reducing the areas, and higher values increase sensitivity such that greater differences in color are required to separate areas in the matte.
The Gaussian Width slider is only active when the Gaussian Difference method is selected and it changes the radius of the gaussian blur. Higher values increase boundary width, lower values thin the boundaries and increase the area. Lower gaussian values with higher threshold settings produce more defined boundaries.
The Matte Control and Output sections are common controls that are documented on the Matte Common Controls page.