  waveColor: COLOR.lightGreen
    });  

  var textMeter = new zeu.TextMeter(
    'text-meter',
    {
      viewWidth: 300,
      value: 10,
      displayValue: 'ZEU',
      marker: {
        bgColor: COLOR.black,
        fontColor: COLOR.white
      },
      bar: {
        speed: 5,
        fillColor: COLOR.red,
        bgColor: COLOR.lightWhite,
        borderColor: COLOR.lightBlack
      },
      arrowColor: COLOR.cyan
    });

  var volumeMeter = new zeu.VolumeMeter(
    'volume-meter', 
    {
      min