Summary: to envelop the listener If you are old enough to remember the first coming of bell bottoms and paisley shirts you will remember Quadraphonics an early attempt at 3D sound reproduction The standard 5 1 speaker setup uses different angles than the Zoom H2 s mics Here are the four common speakers Truth be told engineers have wanted to capture sound in three dimensions
Image Dimensions: 427 x 329
Image originally found here.