Leave some notes on pitch/nuance gathering

vocoder/static/vocoder.js

@@ -104,8 +104,19 @@ function getSoundInfo() {
    **/
   amplitude = recording.getPeaks();
   duration = recording.duration();
-  // pitch?
+
+  // pitch (frequency?) I think we can use fft.analyze() and then find the
+  // highest value (0 -> 1024) that has a non-zero value this gives us the
+  // highest frequency from the recording
+  // https://p5js.org/reference/#/p5.FFT
+  // https://p5js.org/reference/#/p5.FFT/analyze
+
   // nuance?
+  // "I meant the amount of variation in the voice - i.e is it one single
+  // monotone note or does it go up and down octaves or start soft and high and
+  // become deep and guttural etc."
+  //
+  // How do to do this? Unsure ...
 }
 
 class GeneratedShape {
@@ -191,7 +202,7 @@ class GeneratedShape {
      * Show the shape on the canvas.
      **/
     // TODO: use getSoundInfo function to influence how shape is drawn
-    ellipse(this.x, this.y, this.w, this.h); // TODO: experimenting for now ...
+    ellipse(this.x, this.y, this.w, this.h);
   }
 }