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Image display apparatus having audio output control means in accordance with image signal type

  • US 6,697,687 B1
  • Filed: 11/08/1999
  • Issued: 02/24/2004
  • Est. Priority Date: 11/09/1998
  • Status: Expired due to Term
First Claim
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1. An image display apparatus which inputs a first image information signal and a second image information signal in a signal format different from that of said first image information signal, and displays an image based on at least one of said first and second image information signals, comprising:

  • an audio signal selection circuit that selects and outputs one of a first audio information signal inputted with said first image information signal and a second audio information signal inputted with said second image information signal;

    an audio control circuit, connected to said audio signal selection circuit, that controls an audio output status for the audio information signal outputted from said audio signal selection circuit, and outputs the audio information signal to an audio output unit;

    a memory circuit that is used for storing first control data for outputting said first audio information signal in a first audio output status, and second control data for outputting said second audio information signal in a second audio output status having a sound effect different than that of said first audio output status; and

    a controller, connected to said memory circuit and said audio control circuit, that reads and supplies either one of said first control data and said second control data from said memory circuit to said audio control circuit, wherein said controller reads out and supplies said first control data from said memory circuit to said audio control circuit if said audio selection circuit outputs said first audio information signal, and reads out and supplies said second control data from said memory circuit to said audio control circuit, if said audio selection circuit outputs said second audio information signal, and wherein said audio control circuit controls said first audio information signal to be in said first audio output status based on said first control data supplied from said controller, and controls said second audio information signal to be in said second audio output status based on said second control data.

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