private static void zoomOut()
 {
     AudioTool.zoom /= 2f;
     AudioTool.zoomPanels();
 }
 private static void zoomIn()
 {
     AudioTool.zoom *= 2f;
     AudioTool.zoomPanels();
 }
 private static void zoomReset()
 {
     AudioTool.zoom = 1f;
     AudioTool.zoomPanels();
 }