US Patent 7817809 Editing device and audio signal processing system

When a PC connected to a mixer engine functions as an editing device to edit a configuration of signal processing in the mixer engine, components and wires included in the edited configuration of signal processing are displayed within a CAD screen on a display of the PC, and a delay amount occurring in processing corresponding to each of the components and wires when the mixer engine executes the signal processing is displayed in correspondence with each of the components and wires on the CAD screen. In this case, the delay amount corresponding to each wire is a value determined according to a result of assignment in which signal processing corresponding to each component is assigned to a plurality of signal processors in the mixer engine.