public void setEarParameters() {
    Matrix3D avDir = (Matrix3D) (player1.getWorldRotation().clone());
    float camAz;

    if (!isGPOn) {
      camAz = cam1Controller.getAzimuth();
    } else {
      camAz = cam1GPController.getAzimuth();
    }

    avDir.rotateY(180.0f - camAz);
    Vector3D camDir = new Vector3D(0, 0, 1);
    camDir = camDir.mult(avDir);
    audioMgr.getEar().setLocation(camera1.getLocation());
    audioMgr.getEar().setOrientation(camDir, new Vector3D(0, 1, 0));
  }