Patent ID: 8705768
Filing Date: 2014-04-22
Classification: H04H

Abstract:
1. A mixing apparatus comprising: an input port for receiving an audio signal, the input port being configured to adjust a gain of the received audio signal and to output the audio signal with adjusted gain in digital representation, wherein a plurality of the input ports are provided, and the gain adjustment can be performed independently for each of said input ports; a plurality of channels that process signals, each of the channels including a level control section that controls an input level of an audio signal allocated to the channel; an allocation section that allocates the audio signal, supplied from each of said input ports, to one or more desired ones of said plurality of channels, wherein each of the channels can receive the audio signal from any one of the input ports that has been allocated thereto; a plurality of mixing buses, each capable of mixing the audio signals supplied from one or more of said channels to the mixing bus; an automatic adjustment section that, in accordance with gain adjustment in said input ports, automatically adjusts level control to be performed by the level control section in each of the channels, having the audio signal of a corresponding one of said input ports allocated thereto, to compensate for level variation having occurred due to the gain adjustment in the corresponding one of said input ports; and a setting section that sets an ON/OFF state of an automatic adjustment function of said automatic adjustment section independently for each channel, wherein the automatic adjustment section further determines the gain adjustment in a respective one of said input ports, and wherein automatically adjusting the level control in accordance with gain adjustment in said input ports includes automatically adjusting the level control based on the gain adjustment determined as for the corresponding one of said input ports.