## MMPM/2 Device Driver Reference

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### Scalability

Ultimotion is a playback-time scalable video data stream. While the frame rate and output image size (resolution) are set when the video is created, the characteristics of a playback scalable video are modified during playback according to the capabilities of the playback platform. These playback-platform capabilities depend on the type of microprocessor, data bandwidth, display driver, and video adapter available during playback. Based on the characteristics of these components, the output quality of a single Ultimotion video stream can be "scaled" to the playback platform.