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Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor

  • US 20050111675A1
  • Filed: 05/20/2004
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. An audio/video (A/V) device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller, comprising:

  • speakers;

    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 speakers or the audio output port;

    a memory unit for storing volume control values corresponding to the audio output port and the speakers; 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 in the audio output port, wherein the control unit controls the audio signal processing unit to increase or decrease the volume control values for the audio output port by the volume control buttons provided on the remote controller when the external audio reproduction unit is plugged in the audio output port.

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