message: pass in the options
  so that 'get' knows what it's output is
diff: @@ -32,7 +32,7 @@ interface NoiseOptions extends SourceOptions {
  * //start the autofilter LFO
  * autoFilter.start()
  */
  -export class Noise extends Source {
  +export class Noise extends Source<NoiseOptions> {
  name = "Noise";
  