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Acoustic characteristic correction device

  • US 5,572,443 A
  • Filed: 05/05/1994
  • Issued: 11/05/1996
  • Est. Priority Date: 05/11/1993
  • Status: Expired due to Term
First Claim
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1. An acoustic characteristic correction device comprising:

  • desired frequency-amplitude (gain) characteristic setting means for setting, on the basis of an operation by an operating person, a desired frequency-amplitude (gain) characteristic of a response characteristic in a reproduction system including a sound field;

    desired frequency-amplitude (gain) characteristic display means for graphically displaying the set desired frequency-amplitude (gain) characteristic to assist the operation by the person;

    measured frequency-amplitude (gain) characteristic input means for inputting information of a measured frequency-amplitude(gain) characteristic of the response characteristic of the reproduction system including the sound field;

    correction frequency-amplitude (gain) characteristic computing means for computing a correction frequency-amplitude (gain) characteristic for realizing the desired frequency-amplitude (gain) characteristic on the basis of tile desired frequency-amplitude (gain) characteristic and the measured frequency-amplitude (gain) characteristic; and

    correction frequency-amplitude (gain) characteristic imparting means for imparting the computed correction frequency-amplitude (gain) characteristic to a sound signal to be reproduced.

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