message: making example more descriptive
diff: @@ -17,9 +17,16 @@ export interface UserMediaOptions extends ToneAudioNodeOptions {
  * to see which browsers are supported. Access to an external input
  * is limited to secure (HTTPS) connections.
  * @example
  - * const mic = new Tone.UserMedia();
  + * const meter = new Tone.Meter();
  + * const mic = new Tone.UserMedia().connect(meter);
  * mic.open().then(() => {
  * // promise resolves when input is available
  + * console.log("mic open");
  + * // print the incoming mic levels in decibels
  + * setInterval(() => console.log(meter.getValue()), 100);
  + * }).catch(e => {
  + * // promise is rejected when the user doesn't have or allow mic access
  + * console.log("mic not open");
  * });
  * @category Source
  */
  