In a component mounting apparatus in which integrated components having a chip-on-chip structure are formed by mounting upper chips on lower chips. The system and method traps in-coming file-based protocol open commands to check for a predetermined modification to the file name. The main channel information is generally directed at a listening area, while the surround channel information is directed away from the listening area and is substantially attenuated in the direction of the listening area, so that the surround channel information is heard as a diffuse reflected field.