v76: проигрывание через trimSilence — без щелчка в начале

js/audio.js

@@ -90,22 +90,33 @@ function stopRecording() {
   if (mediaRecorder && mediaRecorder.state === 'recording') mediaRecorder.stop();
 }
 
-// ---------- Воспроизведение ----------
+// ---------- Воспроизведение (с обрезкой тишины) ----------
+async function playTrimmed(blob) {
+  const t = await trimSilence(blob);
+  const ctx = getAudioCtx();
+  let buf;
+  if (t) {
+    const offline = new OfflineAudioContext(1, t.data.length, t.sr);
+    buf = offline.createBuffer(1, t.data.length, t.sr);
+    buf.getChannelData(0).set(t.data);
+  } else {
+    const ab = await blob.arrayBuffer();
+    buf = await ctx.decodeAudioData(ab);
+  }
+  const src = ctx.createBufferSource();
+  src.buffer = buf;
+  src.connect(ctx.destination);
+  src.start();
+  return new Promise(resolve => { src.onended = resolve; });
+}
+
 async function playRec(id) {
   try {
     const db = await openRecDB();
     const tx = db.transaction('recs', 'readonly');
     const store = tx.objectStore('recs');
     const rec = await new Promise(r => { const req = store.get(id); req.onsuccess = () => r(req.result); });
-    if (rec?.blob) {
-      const url = URL.createObjectURL(rec.blob);
-      const audio = new Audio(url);
-      await new Promise((resolve, reject) => {
-        audio.onended = () => { URL.revokeObjectURL(url); resolve(); };
-        audio.onerror = () => { URL.revokeObjectURL(url); reject(); };
-        audio.play();
-      });
-    }
+    if (rec?.blob) await playTrimmed(rec.blob);
   } catch(e) { /* тихо */ }
 }