alex stone wrote: > A question here gentlemen. > > With an WXYZ setup, what do those represent? Left/Right/Front/Rear? > So any signal in would be a composite of position based on the strength > of gain between 2 or more points? are you familiar with M/S stereo miking? if not, get a figure of eight and play with it. it's great to control the stereo width of a recording during mixdown. once you've got a feel of the concept (matrixing a fig8 and a mono signal), add two more fig8s for up/down and front/back, and there you go: first-order ambisonics. in practise, soundfield mikes work differently because you can't squeeze four capsules into the same point, but after some wizardry, the microphone's output (called a-format) is converted into WXYZ b-format, which is exactly m/s extended to 3d: a mono component W, a left/right difference signal X, and front/back and up/down difference signals Y and Z. best, jörn _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
