Of course, the total speedup end-users will see will vary once application overhead is taken into account: this includes disk I/O, internal host buffering schemes, bandwidth of PCIe bus, codec used for footage, etc. Note that most currently-sold GPUs will provide customers with needed acceleration, including many mobile GPUs for laptops. Speedups of this magnitude are usually seen with higher end cards. Speedups up to 4x on GPUs when using RSMB have been measured over running RSMB in CPU mode, already known for its speed. Also included in some RSMB versions is a feature that allows you to blur with user-supplied motion vectors that, most likely, will come from a 3D animation system (see the RE:Vision Effects website for which versions include this feature). Of course you can add as little or as much blurring as you need and even remove motion blur! This is a useful tool to give video a more film-like feel, and is also useful to reintroduce motion blur for blue or green screen shoots where a fast shutter is necessary to pull a good key. Proprietary tracking technology is at the heart of RSMB, so there is no handwork involved. ReelSmart Motion Blur (RSMB) automatically adds more natural-looking motion blur to a sequence. RE:Vision Effects announced the release of ReelSmart Motion Blur version 5 with GPU support for: Adobe After Effects Apple Final Cut Pro Avid Media Composer, Symphony and Newscutter The Foundry Nuke Adobe Premiere Pro Assimilate Scratch and Sony Vegas Pro.
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