Oh that's interesting! Is your thinking something like: 1. mount the array on a tripod somewhere in the frame of the camera 2. the array is covered with an

Oh that's interesting! Is your thinking something like: 1. mount the array on a tripod somewhere in the frame of the camera 2. the array is covered with an assortment of fiducials, 3. software uses the known intrinsics and extrinsics of the camera to figure out the array position relative to the camera 4. do the obvious thing with chaining transforms until you get the sound source position relative to the camera If so, I think that would work, but would be a lot of coding to do all that CV... > phone that has AR support I take it cell phones now do much of this work?