A method for sound field reproduction into a listening area of spatially encoded first audio input signals according to sound field description data using an ensemble of physical loudspeakers. The mini-beams are stacked both horizontally and vertically in the beam rack. The received signal contains information. The system further receives a notification that the resource is about to exit the idle period or has exited the idle period. Each of the pitching blades has a forward projecting cutting edge and a securing body portion.