add 16int audio recorder

testServer.js

@@ -33,7 +33,11 @@ const wss = new WebSocket.Server({
 
 wss.on("connection", function connection(ws, req) {
   ws.on("message", function incoming(message) {
-    console.log("received: %s:", message);
+    const parsed = JSON.parse(message)
+    if (parsed.audio) {
+      console.log(parsed.audio)
+    }
+    console.log("received: %s:", parsed);
   });
 
   const ip = req.socket.remoteAddress;