Games and animation typically run up to 60 fps, so motion that may look more natural, even if you’re capturing source to video (more on how to do that in a moment). (Cheap portable flash cameras and the PS3 Eye, for instance, run comfortably at 60 frames.) Just as importantly, GrandVJ’s effects will run at the same rate, so you can pull off fast-paced visuals on texture-mapped 3D objects. Video looks smoother and more lifelike at 50 or 60 fps, and it’s not hard to acquire lovely-looking 60 fps video these days. But beyond that, it’s worth getting these higher framerates because they really can look better. Let’s step back, though – why would you want to run 50-60 fps in the first place? Well, for starters, because you can – projectors and displays can run natively at that refresh rate, so you’ll get jitter-free, smooth displays even at these higher framerates. Other factors are dependent on your hardware setup and the video source you’re using.
There are lots of variables in performance, but the key in this case is that the engine in GrandVJ will be capable of greater frame throughput, maintaining high framerates even with multiple media. (Marc reports lately MP2 has been a favorite format for them.) (Videos that large start to hit the real current bottleneck, which is drive throughput.) The test labs at ArKaos have also been displaying across three monitors with a TripleHead2Go multi-display box from Matrox, which, incidentally, you can even run off of a laptop if it’s got enough muscle. The sample uses two videos, but in tests the engine has mixed up to three 1080p videos and a Flash video on top of that, all at 60 fps, when running on a powerful media server machine. The good news is, following the MediaMaster update, GrandVJ is also due to get the enhanced playback capabilities, for mixing video at true 50 fps – 60 fps, without dropping frames. (That’s 60 fps playback of two movies.) This much is revealed today by our friend nostromo, ArKaos’ Software Architect, on the company blog. ArKaos’ MediaMaster DMX-compatible media server will get a significant 1.1 update with reliable support for video playback up to 60 fps soon.
Here’s a CDM exclusive: GrandVJ’s playback envelope is about to get pushed still further. And I’m happy to sacrifice some whiz-bang features to accomplish that. But here’s the reason GrandVJ is worth your consideration: it plays back video and it’s rock-solid and fast while doing it. Maybe it’s the software’s streamlined feature set or simple-looking UI, or maybe hard-core visualists had come to associate the name “ArKaos” with the company’s previous product, which recently had indeed started to look long-in-the-tooth before GrandVJ finally replaced it. GrandVJ is the live visual world’s best secret at the moment. GrandVJ struts its stuff at the World Lighting Fair.
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