intertial motion capture suit quality

#1

Basically, I read a Wikipedia article on Motion capture suits, and I like the idea of Intertial mocap.

http://en.wikipedia.org/wiki/Motion_capture#Inertial_systems

But I was just generally curious, not for my own practical reasons, but for general consensus… what determines the quality of them the most, in your opinion? Meaning, generally, what are main attributes of quality, what would you define their value for each low, middle and high budgets, and where would you rank qualities in order of each other from most important to least important

#2

Inertial motion capture is not very accurate and suffers from drift. Whether it’s good enough for your purposes is up to you. The accuracy of the MEMS is a big deal, the newer the better. The differences between generations of chips is significant. The most common chips are made by InvenSense an Honeywell and all of their specifications are published. So if you can find out what chips each product uses that will give you an idea of how much accuracy to expect. This is based on my experience with autopilots and robotics, no direct experience with inertial motion capture but the underlying tools are the same.