Update script.js

script.js

@@ -53,7 +53,7 @@ document.addEventListener("DOMContentLoaded", () => {
     audioChunks = [];
     try {
       const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
-      mediaRecorder = new MediaRecorder(stream);
+      mediaRecorder = new MediaRecorder(stream, { mimeType: "audio/webm" });
       mediaRecorder.ondataavailable = (event) => audioChunks.push(event.data);
       mediaRecorder.start();
     } catch (error) {
@@ -66,7 +66,7 @@ document.addEventListener("DOMContentLoaded", () => {
   function stopRecording() {
     mediaRecorder.stop();
     mediaRecorder.onstop = async () => {
-      const audioBlob = new Blob(audioChunks, { type: "audio/mpeg" });
+      const audioBlob = new Blob(audioChunks, { type: mediaRecorder.mimeType });
       const audioBase64 = await blobToBase64(audioBlob);
       sendAudioToServer(audioBase64);
     };