Hi, i'd like to know wich differences have the Basic and Standard editions...
Is it only in the fact that with Standard you can use 6 cameras at the same time and export the result?
If so, is there really so much of a difference between a 4 camera setup and a 6 camera setup?

Thx for any help...more questions coming...sorry for that :D

The more cameras the better ipi can figure out the movement. Higher the quality bvh requires less editing or 'cleaning'.

The problem is not the cost of two more cameras, but the computer. You need more bandwidth as you add more cameras to get the cameras to record at the same time. More usb, hard drive and processors bandwidth. 4 cameras on my tweaked system, I added one usb 3 and one usb 2 cards gets me 640x480 at 50 frames. That it. A marked improvement over 320x240 at 30 frames but I don't see my computer doing any better than that. The older hard drive is too slow and is maxed out, there is no point of trying to get more bandwidth on the usb ports if the hard drive will not record it.

So if you don't have a 6 core processor, one usb 3 and maybe another usb 2 card, pluse a usb 3 hard drive, you system might be too slow for 6 cameras.

Dale

What dueyftw said.

My system, for example, a quad core with two built-in USB controllers and one USB 3 controller card dedicated to two PS3 cameras, and an internal SATA3 drive on a second USB 3/SATA3 controller card, can easily handle 4 PS3 cameras at 640 x 480 and 60 fps. I suspect I'll see dropped frames if I add any more cameras though. Maybe, just maybe, I can add one more camera to this system for a total of five, but I think the drive might become the bottleneck with six cameras. Tracking all this data will also take longer, so you will probably want a beefy graphics card like the GTX 480 or better.

(Okay, now I'm intrigued. Ordering a fifth camera today.) :)

Another thing to consider with more cameras is that you will probably need a bigger shoot space. My shoot space works well with four cameras in a semi-circle, but even if I added more cameras I don't think I can widen the circle in this space without losing some of my performance area.

My garage is maybe 20 square feet but even with the cameras pushed way back my performance space is only about 6 to 7 square feet, which is a smallish area to walk around in. I can probably get more if I removed a lot of boxes and storage bins along the walls but that's not possible right now. If I got more cameras, I would probably have to try shooting outdoors or find a bigger space to borrow or rent.

I'm not trying to discourage anybody from getting the 6 camera version, but I wanted to let you now that there are other things to think about besides the cost of the software. On the other hand, if you do get the six camera version, you can still start out with four cameras (like me,) and have room to grow when you're ready for it.

G.

Edit: I originally wrote 'dual core' above. I meant 'quad core' of course.

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