Electronic apparatus and control method thereof

Electrical audio signal processing systems and devices – Including amplitude or volume control

Reexamination Certificate

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Details

C381S119000, C381S109000, C381S107000, C455S556100, C455S567000

Reexamination Certificate

active

07349548

ABSTRACT:
An electronic apparatus and method thereof include a plurality of sound input channels through which audio signals are input, a plurality of individual volume controllers to individually control output volume levels of the audio signals input through the sound input channels, and a mixer to mix the audio signals provided by the individual volume controllers and to output mixed audio signals. The electronic apparatus includes a selection part through which one of the sound input channels is selected, and a controller controlling the individual volume controllers to make the selected sound input channel have a normal volume level and to lower the output volume levels of unselected input channels below a predetermined volume level.

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