Patent ID: 8165320
Filing Date: 2012-04-24
Classification: H04R

Abstract:
1. An audio/video (A/V) device having a volume control function for an external audio reproduction unit, comprising: a speaker; a display unit for reproducing a video signal; an audio output port for externally outputting an audio signal; an audio signal processing unit for reproducing and amplifying the audio signal and applying the amplified audio signal to any of the speaker or the audio output port; a memory unit for storing volume control values corresponding to the audio output port and the speaker; and a control unit for applying to the audio signal processing unit any of the volume control values stored in the memory based on whether the external audio reproduction unit is plugged into the audio output port, wherein the control unit controls the audio signal processing unit to increase or decrease one of the volume control values corresponding to the audio output port stored in the memory unit, and wherein the control unit controls the display unit to display a volume control menu window for showing a level of one of the volume control values upon a detection of the external audio reproduction unit being plugged into the audio output port.