Abstract: An I/O unit includes a plurality of ports, a mixer includes processing channels, and the mixer and the I/O unit are interconnected via a network. The mixer stores channel data per processing channel. The channel data includes virtual port data for indirectly controlling signal processing of a port to which the channel is patched. The I/O unit stores real port data for controlling a signal processing in a corresponding port per port. In response to a connection instruction, one port and processing channels are interconnected, and real port data of the one port connected with the processing channels is set to a value of virtual port data being maintained for the processing channels.

Abstract: An audio processing system includes a console (control device), an engine (processing device) and an I/O unit (input/output device). The console and the engine are communicatively interconnected via a first-type network. The engine and the I/O unit are communicatively interconnected via a second-type network. When the console is connected to the first-type network, the console can remote-control the engine and the I/O unit. However, when the console is connected to the second-type network, the remote-control, by the console, on the engine and the I/O unit is invalidated. When the I/O unit is connected to the second-type network, audio signals can be input/output to/from the I/O unit. When the I/O unit is connected to the first-type network, input/output of audio signal in the I/O unit is invalidated. The present invention permits efficient use of the networks with the console using the first-type network and the I/O unit using the second-type network.

Abstract: An I/O unit includes a plurality of ports, a mixer includes processing channels, and the mixer and the I/O unit are interconnected via a network. The mixer stores channel data per processing channel. The channel data includes virtual port data for indirectly controlling signal processing of a port to which the channel is patched. The I/O unit stores real port data for controlling a signal processing in a corresponding port per port. In response to a connection instruction, one port and processing channels are interconnected, and real port data of the one port connected with the processing channels is set to a value of virtual port data being maintained for the processing channels.

Abstract: The production of differential speed reduction apparatus, which uses a double-toothed gear including face cams having tooth profiles uniquely generated to secure efficient speed reduction. The speed reduction apparatus includes an input shaft carrying the double-toothed gear, a slant shaft wobbling in association with the rotation of the input shaft, a stationary face gear engageable with the face cams, a movable face gear secured to an output shaft, wherein the stationary face gear and the movable face gear have a roller-like or a convex-face contour.

Abstract: The production of differential speed reduction apparatus, which uses a double-toothed gear including face cams having tooth profiles uniquely generated to secure efficient speed reduction. The speed reduction apparatus includes an input shaft carrying the double-toothed gear, a slant shaft wobbling in association with the rotation of the input shaft, a stationary face gear engageable with the face cams, a movable face gear secured to an output shaft, wherein the stationary face gear and the movable face gear have a roller-like or a convex-face contour.