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The Composite region represents a mix and complete duration of layers of a sound combined. It is the top level of the hierarchy of the layers of a sound, and in the case of Spaceships, the track source for this region is named Composite.

Each sound has up to six regions, Composite along with up to five layers that combine to form the composite:

These regions are directly related to the tracks that form the layers and specify the duration of each layer to render. Regions are pre-assigned to render the corresponding layers in the Region Render Matrix.

Note: In the Spaceships projects, to facilitate layup and/or synchronized playback and preserve the timing of layers, all regions have the same starting point for each sound. This results in a short silence at the start of some regions.

The following image shows a typical sound in a spaceship project. Notice how the colors relate layers to regions.

	Tracks that constitute the layers of a sound.
	Items that contribute to the individual sound layers.

	Regions for a sound are displayed in timeline lanes.
	Regions for a sound in the Region/Marker Manager. Note the start times, colors, and Render Matrix assignments.

The Cinematic Layer doesn’t have regions associated with it, and it is muted by default. This layer is available to use for custom sound creation. Because we cannot predict how you will incorporate this layer or how long the custom sounds will be, you must set up regions as required if you use this layer.