On Sun, Sep 21, 2008 at 4:26 AM, Neil Jerram <[EMAIL PROTECTED]>wrote:
> Assuming I've understood this even half-way correctly... > > It sounds like the accuracy of your triangulation will be limited by > the small size of the FR; and when you add in the hardware and > software path latency, I wonder if this will work accurately enough. > (I'm assuming the marker would be a few metres away from the FR, is > that right?) > The precision would limited by the sampling rate of the Freerunner on the mic-in channel. Pretty much everything else affecting the precision can be controlled. The sampling rate is the limiting factor. > > I think that points in a similar direction to Al's comment, i.e. > moving some of the solution outside the FR, over USB. That would > allow you to have more distance between the inputs, and so get more > accuracy. > All the Freerunner would be needed for is processing the input of the mic-in. The freerunner microphone isn't used. Imagine a stick with two microphones glued 400 cm apart and connected to a audio cable. There is more to it, but that's pretty much what it would look like. -Charles Pax
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