diff --git a/app/backend/InputOutputHandler.tsx b/app/backend/InputOutputHandler.tsx
index 1316901..fa8dcf6 100644
--- a/app/backend/InputOutputHandler.tsx
+++ b/app/backend/InputOutputHandler.tsx
@@ -1,11 +1,13 @@
 "use client"
-import React, { useEffect, useRef, useState } from "react";
+import React, { use, useEffect, useRef, useState } from "react";
 import ConversationFrontend from "../components/ConversationFrontend";
 import InputFrontend from "../components/InputFrontend";
 import VoiceSend from "./voice_backend"
 import { AudioRecorder } from "./AudioRecorder";
 import axios from "axios";
 import { resolve } from "path";
+import { FFmpeg } from "@ffmpeg/ffmpeg";
+import { fetchFile, toBlobURL } from "@ffmpeg/util"
 
 
 const InputOutputBackend: React.FC = () => {
@@ -125,6 +127,17 @@ const InputOutputBackend: React.FC = () => {
     });
   };
 
+  /* Variables for System-prompt */
+  const [preferredCurrency, setPreferredCurrency] = useState(localStorage.getItem("preferredCurrency") || "")
+  const [preferredLanguage, setPreferredLanguage] = useState(localStorage.getItem("preferredLanguage") || "")
+  const [timeFormat, setTimeFormat] = useState(localStorage.getItem("timeFormat") || "")
+  const [preferredMeasurement, setPreferredMeasurement] = useState(localStorage.getItem("preferredMeasurement") || "")
+  const [timeZone, setTimeZone] = useState(localStorage.getItem("timeZone") || "")
+  const [dateFormat, setDateFormat] = useState(localStorage.getItem("dateFormat") || "")
+
+  useEffect(() => {
+    
+  },[preferredCurrency, preferredLanguage, timeFormat, preferredMeasurement, timeZone, dateFormat])
 
   const addMessage = (role: string, content: string) => {
     setMessages(previous => [...previous, { role, content }])
@@ -152,25 +165,52 @@ const InputOutputBackend: React.FC = () => {
       audioChunks.current.push(event.data)
     }
         
-    mediaRecorder.onstop = () => {
+    mediaRecorder.onstop = async () => {
       const audioBlob = new Blob(audioChunks.current, { type: "audio/ogg" })
+      console.log(audioBlob);
       const url = URL.createObjectURL(audioBlob)
+      const audio = new Audio(url);
+      audio.play().catch(error => console.error("Error playing audio:", error));
       console.log(url);
       setAudioURL(url)
       audioChunks.current = []
+      const wavBlob = await convertOggToWav(audioBlob)
       const remote = new VoiceSend()
-      remote.sendToVoiceRecognition(audioBlob,)
+      remote.sendToVoiceRecognition(wavBlob)
     }
 
     mediaRecorder.start()
     setIsRecording(true)
-        
+  }
+
+  const ffmpegRef = useRef<FFmpeg | null>(null)
+  const audioRef = useRef("")
+
+  const loadFFmpeg = async () => {
+    if (!ffmpegRef.current) {
+      ffmpegRef.current = new FFmpeg()
+      await ffmpegRef.current.load()
     }
+  }
+
+  const convertOggToWav = async (oggFile: File | Blob) => {
+    await loadFFmpeg()
+
+    const ffmpeg = ffmpegRef.current!
+
+    await ffmpeg.writeFile("input.ogg", await fetchFile(oggFile))
+    await ffmpeg.exec(["-i", "input.ogg", "output.wav"])
+    const wavData = await ffmpeg.readFile("output.wav")
+    console.log(wavData);
+    const wavBlob = new Blob([wavData], { type: "audio/wav" })
+    audioRef.current = URL.createObjectURL(wavBlob)
+    return wavBlob
+  }
     
-    const stopRecording = () => {
-      mediaRecorderRef.current?.stop()
-      setIsRecording(false)
-    }
+  const stopRecording = () => {
+    mediaRecorderRef.current?.stop()
+    setIsRecording(false)
+  }
 
 
   const handleMicClick = () => {
diff --git a/app/layout.tsx b/app/layout.tsx
index 8070a08..0896d49 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -12,7 +12,7 @@ export default function RootLayout({ children }: { children: ReactNode }) {
         <title>{metadata.title}</title>
         <meta name="description" content={metadata.description} />
         {/* Tried adding the favicon here */}
-        <link rel="icon" href="./public/favicon.ico" type="image/x-icon" />
+        <link rel="icon" href="../public/favicon.ico" type="image/x-icon" />
       </head>
       <body>
         <main>{children}</main>