diff --git a/index.html b/index.html
index 9fd746d..0f2e71e 100644
--- a/index.html
+++ b/index.html
@@ -53,7 +53,7 @@ let mediaRecorder, audioChunks = [], userAudioBlob = null, ttsText = '';
 let isRecording = false, isAnalyzing = false, micAnalyser = null, micAnimId = null;
 let recordStartTime = 0, recordDuration = 0;
 // ---------- Версия ----------
-const VERSION = 'v40';
+const VERSION = 'v43';
 document.getElementById('ver').textContent = VERSION;
 
 // ---------- Перевод на русский (Groq) ----------
@@ -608,28 +608,69 @@ document.getElementById('btnPlayUser').onclick = async () => {
   }
 };
 
+const CHUNK_SIZE = 4096;
+
 async function transcribe(blob) {
   if (!GROQ_API_KEY) return { text: '', error: 'no_key' };
-  const formData = new FormData();
-  formData.append('file', new File([blob], 'audio.webm', { type: 'audio/webm' }));
-  formData.append('model', 'whisper-large-v3');
-  formData.append('language', 'it');
-  try {
-    const controller = new AbortController();
-    const timer = setTimeout(() => controller.abort(), 60000);
-    const res = await fetch('https://proxy.kube5s.ru/openai/v1/audio/transcriptions', {
-      method: 'POST',
-      headers: { 'Authorization': `Bearer ${GROQ_API_KEY}` },
-      body: formData,
-      signal: controller.signal
-    });
-    clearTimeout(timer);
-    const data = await res.json();
-    if (data.error) return { text: '', error: data.error.message || 'forbidden' };
-    return { text: data.text || '', error: null };
-  } catch (err) {
-    return { text: '', error: err.name === 'AbortError' ? 'timeout' : 'network' };
+  const tStart = performance.now();
+
+  // Small file: direct POST
+  if (blob.size <= 14000) {
+    const formData = new FormData();
+    formData.append('file', new File([blob], 'audio.webm', { type: 'audio/webm' }));
+    formData.append('model', 'whisper-large-v3');
+    formData.append('language', 'it');
+    try {
+      const ctl = new AbortController();
+      const t = setTimeout(() => ctl.abort(), 60000);
+      const res = await fetch('https://proxy.kube5s.ru/openai/v1/audio/transcriptions', {
+        method: 'POST', headers: { 'Authorization': `Bearer ${GROQ_API_KEY}` },
+        body: formData, signal: ctl.signal
+      });
+      clearTimeout(t);
+      const data = await res.json();
+      console.log('[WHISPER] ' + (blob.size/1024).toFixed(1) + 'KB direct ' + ((performance.now()-tStart)/1000).toFixed(2) + 's → ' + (data.text||'(empty)'));
+      if (data.error) return { text: '', error: data.error.message || 'forbidden' };
+      return { text: data.text || '', error: null };
+    } catch (err) {
+      return { text: '', error: err.name === 'AbortError' ? 'timeout' : 'network' };
+    }
   }
+
+  // Large file: WebSocket
+  const total = Math.ceil(blob.size / CHUNK_SIZE);
+  return new Promise((resolve) => {
+    try {
+      const ws = new WebSocket('wss://proxy.kube5s.ru/ws');
+      const timeout = setTimeout(() => { ws.close(); resolve({ text: '', error: 'timeout' }); }, 60000);
+
+      ws.onopen = () => {
+        ws.send(JSON.stringify({ token: GROQ_API_KEY, chunks: total }));
+        (async () => {
+          for (let i = 0; i < total; i++) {
+            const chunk = blob.slice(i * CHUNK_SIZE, Math.min((i + 1) * CHUNK_SIZE, blob.size));
+            ws.send(await chunk.arrayBuffer());
+          }
+        })();
+      };
+
+      ws.onmessage = (e) => {
+        clearTimeout(timeout);
+        ws.close();
+        const data = JSON.parse(e.data);
+        console.log('[WHISPER] ' + (blob.size/1024).toFixed(1) + 'KB ws/' + total + 'chunks ' + ((performance.now()-tStart)/1000).toFixed(2) + 's → ' + (data.text||'(empty)'));
+        if (data.error) resolve({ text: '', error: data.error });
+        else resolve({ text: data.text || '', error: null });
+      };
+
+      ws.onerror = () => {
+        clearTimeout(timeout);
+        resolve({ text: '', error: 'network' });
+      };
+    } catch (err) {
+      resolve({ text: '', error: 'network' });
+    }
+  });
 }
 
 function normalize(text) {