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SOUND SYSTEM AND METHOD OF OPERATION THEREFOR

  • US 20110002468A1
  • Filed: 03/05/2009
  • Published: 01/06/2011
  • Est. Priority Date: 03/14/2008
  • Status: Active Grant
First Claim
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1. A sound system for producing sound comprising:

  • a first audio driver arrangement (101) for emitting a first audio signal and having a first on-axis direction (111);

    a second audio driver arrangement (103) for emitting a second audio signal and having a second on-axis direction (113), an angle between the first on-axis direction (111) and the second on-axis direction (113) being higher than 90°

    ;

    a third audio driver arrangement (105) for emitting a third audio signal and having a third on-axis direction (109);

    an angle between the first on-axis direction (111) and the third on-axis direction (109) being higher than 45° and

    an angle between the second on-axis direction (111) and the third on-axis direction (109) being higher than 45°

    ;

    a first driving arrangement (201) for generating a first drive signal for the first audio driver arrangement (101) from a first signal, the first driving arrangement (201) and the first audio driver arrangement (101) together having a first phase response;

    a second driving arrangement (203) for generating a second drive signal for the second audio driver arrangement (103) from a second signal, the second driving arrangement (203) and the second audio driver arrangement (103) together having a second phase response; and

    a third driving arrangement (205) for generating a third drive signal for the third audio driver arrangement (105) from a second signal, the third driving arrangement (205) and the third audio driver arrangement (105) together having a third phase response and the first signal, the second signal and the third signal comprising at least one common signal component;

    wherein the first phase response deviates from the second phase response by between 90° and

    270°

    in a frequency interval above a first frequency; and

    the third phase response is a varying phase response with a variation between a first phase interval proximal to the first phase response and a second phase interval proximal to the second phase response.

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