message: float is default analyser return type
diff: @@ -77,7 +77,7 @@ define(["Tone/core/Tone"], function (Tone) {
  */
  Tone.Analyser.defaults = {
  "size" : 1024,
  - "returnType" : "byte",
  + "returnType" : "float",
  "type" : "fft",
  "smoothing" : 0.8,
  "maxDecibels" : -30,
  