clean up codebase, remove unused directories

testAudio.js

@@ -16,15 +16,16 @@ const ws = new WebSocket("ws://localhost:8080");
 let audioChunks = [];
 const audioInputStreamTransform = new Writable({
   write(chunk, encoding, next) {
-    // console.log(chunk)
+    console.log(chunk)
     // ws send chunk
-    audioChunks.push(chunk);
+    // audioChunks.push(chunk);
+    // ws.send(chunk)
     next();
   },
 
   final() {
     console.log(audioChunks)
-    ws.send(audioChunks)
+    // ws.send("stop")
     // stop ws transer
   },
 });
@@ -38,7 +39,7 @@ const client = new speech.SpeechClient();
  */
 const filename = './rawAudio.wav';
 const encoding = 'LINEAR16';
-const sampleRateHertz = 16000;
+const sampleRateHertz = 44100;
 const languageCode = 'en-US';
 
 const config = {
@@ -90,7 +91,7 @@ const recognizeStream = client
 
 // Create an instance of AudioIO with inOptions (defaults are as below), which will return a ReadableStream
 const audioOptions = {
-  channelCount: 2,
+  channelCount: 1,
   sampleFormat: portAudio.sampleFormat16Bit,
   sampleRate: 16000,
   deviceId: -1, // Use -1 or omit the deviceId to select the default device