code: function LGAudioAnalyser() {
          this.properties = {
              fftSize: 2048,
              minDecibels: -100,
              maxDecibels: -10,
              smoothingTimeConstant: 0.5
          };
  
          var context = LGAudio.getAudioContext();
  
          this.audionode = context.createAnalyser();
          this.audionode.graphnode = this;
          this.audionode.fftSize = this.properties.fftSize;
          this.audionode.minDecibels = this.properties.minDecibels;
          this.audionode.maxDecibels = this.properties.maxDecibels;
          this.audionode.smoothingTimeConstant = this.properties.smoothingTimeConstant;
  
          this.addInput("in", "audio");
          this.addOutput("freqs", "array");
          this.addOutput("samples", "array");
  
          this._freq_bin = null;
          this._time_bin = null;
      }
docs: *****************************************************