Patent ID: 7515722
Filing Date: 2009-04-07
Classification: G11B,H04H

Abstract:
1. A signal processing apparatus operatively coupled to a plurality of external devices for bi-directional communication therebetween comprising: a plurality of input ports that receive audio signals from the plurality of external devices; a plurality of output ports that transmit, to said plurality of external devices, control signals for controlling the operation of said plurality of external devices, said control signals being non-audio signals; a plurality of input channels to which audio signals are inputted from the external devices; a plurality of operating elements associated with respective ones of said input channels; an input patch that sets connections between said input ports and said input channels; setting means for setting, via a graphical user interface, correspondence between each of said input ports and at least one of said output ports; and transmission control means configured to, when one of said operating elements is operated, control to transmit a control signal from one of the output ports to one of said plurality of external devices, wherein said one of the output ports corresponds to the input port that is connected to the input channel with which the operated operating element is associated.