Sending external audio streams

/* ES6 Import */
// import { Symbl, LINEAR16AudioStream } from "@symblai/symbl-web-sdk";
/* ES5 Import */
// const { Symbl, LINEAR16AudioStream } = require("@symblai/symbl-web-sdk");
/* Browser Import */
// const { Symbl, LINEAR16AudioStream } = window;

(async () => {

  try {

      // We recommend to remove appId and appSecret authentication for production applications.
      // See authentication section for more details
      const symbl = new Symbl({
          appId: '<your App ID>',
          appSecret: '<your App Secret>',
          // accessToken: '<your Access Toknen>'
      });

      // Boilerplate code for creating a new AudioContext and MediaStreamAudioSourceNode
      const stream = await navigator.mediaDevices.getUserMedia({
        audio: true,
        video: false,
      });
      const sampleRate = stream.getAudioTracks()[0].getSettings().sampleRate;
      const context = new AudioContext({ sampleRate });
      const sourceNode = context.createMediaStreamSource(stream);

      // Creating a new AudioStream
      const audioStream = new LINEAR16AudioStream(sourceNode);
      
      // Open a Symbl Streaming API WebSocket Connection.
      const connection = await symbl.createAndStartNewConnection({
        insightTypes: ["question", "action_item", "follow_up"],
        config: {
          encoding: "LINEAR16",
          sampleRateHertz: sampleRate
        }
      }, audioStream);

      // Retrieve real-time transcription from the conversation
      connection.on("speech_recognition", (speechData) => {
        const { punctuated } = speechData;
        const name = speechData.user ? speechData.user.name : "User";
        console.log(`${name}: `, punctuated.transcript);
      });
      
      // This is just a helper method meant for testing purposes.
      // Waits 60 seconds before continuing to the next API call.
      await Symbl.wait(60000);
      
      // Stops processing audio, but keeps the WebSocket connection open.
      await connection.stopProcessing();
      
      // Closes the WebSocket connection.
      connection.disconnect();
  } catch(e) {
      // Handle errors here.
  }
})();