diff --git a/test_data/src/scripts/accessibility.js b/test_data/src/scripts/accessibility.js
index b680bf0..62989ca 100644
--- a/test_data/src/scripts/accessibility.js
+++ b/test_data/src/scripts/accessibility.js
@@ -106,12 +106,12 @@ function toggleZoom(){
 
 const sound_src = (() => {
     const pathname = window.location.pathname;
-    if (pathname.indexOf('about') != -1){
-        return new Audio('/src/sound/test_sound.mp3');
-    } else if (pathname.indexOf('particiapnts') != -1){
-        return new Audio('/src/sound/test_sound.mp3');
-    }
-    return new Audio('/src/sound/test_sound.mp3');
+    // if (pathname.indexOf('about') != -1){
+    //     return new Audio('/src/sound/fragments000.mp3');
+    // } else if (pathname.indexOf('particiapnts') != -1){
+    //     return new Audio('/src/sound/fragments000.mp3');
+    // }
+    return new Audio('/src/sound/fragments000.mp3');
 })();
 
 
diff --git a/test_data/src/sound/fragments000.mp3 b/test_data/src/sound/fragments000.mp3
new file mode 100644
index 0000000..f368119
Binary files /dev/null and b/test_data/src/sound/fragments000.mp3 differ
diff --git a/test_data/src/sound/test_sound.mp3 b/test_data/src/sound/test_sound.mp3
deleted file mode 100644
index ccd8cae..0000000
Binary files a/test_data/src/sound/test_sound.mp3 and /dev/null differ