Update index.js

index.js

@@ -305,7 +305,7 @@ async function initMedia() {
     mediaRecorder.onstop = () => {
       // We process the audio here, and free the previous one, if any
       console.log('Chunks: ', audioChunks);
-      const blob = new Blob(audioChunks, {type: 'video/webm'});
+      const blob = new Blob(audioChunks, {type: 'audio/webm'});
       console.log('Blob: ', blob);
       // if (audioUrl) window.URL.revokeObjectURL(audioUrl);
       audioUrl = window.URL.createObjectURL(blob);