| CPC G06F 3/165 (2013.01) [H04R 3/02 (2013.01); H04R 2420/01 (2013.01); H04R 2430/01 (2013.01)] | 14 Claims |
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1. A control device connected with a microphone and a display device, the control device comprising:
a main body; and
an adjustment knob included in the main body, wherein the adjustment knob is selectively operated in a pressing mode or a rotating mode;
wherein the control device is selectively operated in a normal working mode or a microphone gain setting mode,
wherein the microphone gain setting mode of the control device is enabled when the adjustment knob is pressed down, and when the microphone gain setting mode of the control device is enabled, the control device implements a microphone gain setting process,
wherein when the microphone gain setting process is implemented, the adjustment knob is triggered to enable the microphone gain setting mode of the control device, a first message is shown on the display to prompt a user that the microphone gain setting process is started, and a second message is shown on the display device to prompt the user to emit a first sound to the microphone, wherein after the microphone receives the first sound, a first electric signal is generated, wherein after the control device receives and analyzes the first electric signal, a microphone gain value is set by the control device, and the first electric signal is amplified by the control device according to the microphone gain value,
wherein after the microphone gain setting process of the control device is completed, a third message is shown on the display device to prompt the user, and the microphone gain value is stored in the control device,
wherein the control device generates an output sound signal according to the microphone gain value.
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