Index: src/routes/admin-audio.js
===================================================================
--- src/routes/admin-audio.js	(revision 7bc636b391c66ac399c33e54f7173a022c6a3cbd)
+++ src/routes/admin-audio.js	(revision 21522aeeeadc321d1358c416b7223a6300a03996)
@@ -20,5 +20,5 @@
 import { requireGod } from '../middleware/auth.js';
 import { transcodeToMp3 } from '../services/AudioTranscoder.js';
-import { signUrl } from '../services/AudioStreamService.js';
+import { audioUrl } from '../services/AudioStreamService.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -80,10 +80,8 @@
   `).all(site.id);
 
-  // Sign each track's stream URL so admins can preview audio inline.
-  // Short TTL (default 10 min from AudioStreamService) means the URL on
-  // the page expires if it sits open too long; a refresh re-signs.
+  // Build each track's stream URL so admins can preview audio inline.
   const tracks = rows.map(t => ({
     ...t,
-    stream_url: t.filename ? signUrl(t.filename).url : null,
+    stream_url: t.filename ? audioUrl(t.filename) : null,
   }));
 
@@ -335,6 +333,6 @@
   `).get(req.params.id, site.id);
   if (!t) return res.status(404).json({ error: 'Track niet gevonden' });
-  // Sign the stream URL so the modal can render an inline preview player.
-  const stream_url = t.filename ? signUrl(t.filename).url : null;
+  // Stream URL so the modal can render an inline preview player.
+  const stream_url = t.filename ? audioUrl(t.filename) : null;
   res.json({ ok: true, track: { ...t, stream_url } });
 });