 // Audio shield setup
 AudioInputI2S audio;
 AudioAnalyzePeak peak;
-AudioAnalyzeNoteFrequency freq;
+AudioAnalyzeNoteFrequency note;
 AudioConnection patchCord1(audio, peak);
-AudioConnection patchCord2(audio, freq);
+AudioConnection patchCord2(audio, note);
 AudioControlSGTL5000 audioShield;
 
 void setup() {

  Serial.flush();
  delay(1000);

  AudioMemory(5);
  audioShield.enable();
  audioShield.inputSelect(AUDIO_INPUT_MIC);
  audioShield.micGain(50);

  input = new AudioShieldInput(&peak);

  viz = new RippleVisualization(input, 150, 1);

  anim1 = new TriangleAnimation(viz, inner_leds, 3);
  anim2 = new TriangleAnimation(viz, outer_leds, 6);


  FastLED.addLeds<WS2811, 6, GRB>(strip.leds, STRIP);

  FastLED.setBrightness(255);

  Looper* looper = Looper::instance();
  looper->addInput(input);
