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Display apparatus operable in synchronism with a movement of the body of a viewer

  • US 6,011,526 A
  • Filed: 04/09/1997
  • Issued: 01/04/2000
  • Est. Priority Date: 04/15/1996
  • Status: Expired due to Term
First Claim
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1. A display apparatus operable in a synchronized relationship with a movement of the body of a viewer, comprising:

  • display means for displaying a portion of an original image on a screen;

    angle calculation means including means for detecting one of a movement amount and a turning angle of a part of the body of a viewer of said display means;

    video processing means for extracting a portion of said original image in response to one of said movement amount and said turning angle and supplying said extracted portion of said original image to said display means;

    audio reproduction means; and

    audio processing means connected to said audio reproduction means for processing an audio signal in response to one of said movement amount and said turning angle calculated by said angle calculation means so that sound is output from a position corresponding to said portion of said original image extracted by said video processing means, wherein said audio processing means includes;

    storage means connected to said angle calculation means for storing a table correlating said turning angle to an impulse response representing a virtual sound source position, andconvolution integrator means connected to said storage means for convolutionally integrating said impulse response with said audio signal.

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