text: /*
  
  * let now = new audioObject(audioBuffer, {
  	volume: 1,
  	reverb : {
  		gain: 1,
  		waveshapper: .5
  	},
  	lowpass: 1
  });
  
  
  let updateVolume = (src, level) => {
  	src.volume = level;
  };
  
  // onclick
  window.document.getElementById("volumeUp").addEventListener("click", ()=>{
  	return updateVolume(now, now.volume++);
  });
  
  window.document.getElementById("volumeDown").addEventListener("click", ()=>{
  	return updateVolume(now, now.volume--);
  });
  
  window.document.getElementById("masterVolume").addEventListener("click", ()=>{
  	return masterGain.updateLevel(masterGain.getLevel++);
  });
  */
  