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Lesson 10. Managing Media > Creating a RAM Preview

Creating a RAM Preview

The real-time playback capabilities of your Motion projects are proportional to your computer's hardware. The system RAM determines the number of frames of animation that you can preview in real time; the CPU speed determines the number of simulations and complex behaviors that can be applied to composite objects in real time; and the VRAM (video RAM on the graphics card) determines the number of objects, filters, and effects in a composite that can be rendered in real time before a RAM preview is required. What is a RAM preview?

Motion performs many complex calculations to represent each frame when you play your project. The process of performing these calculations is referred to as rendering. A project plays back in the Canvas as quickly as possible, up to the specified frame rate for the project. With highly complex projects, the frame rate can drop significantly, making it difficult to see the project at its full frame rate. To get around this problem, instead of having Motion calculate the frames as you go, you can render parts of your project and store the frames in RAM. Then when you play your project, you see the rendered parts at their full frame rate. This view is called a RAM preview. The length of the RAM preview that Motion can perform is directly proportional to the amount of available RAM on your computer.


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