Echo loop fix: echo cancellation + noise suppression aktif, asistan konusurken mic mute

app.py

@@ -134,7 +134,7 @@ async def realtime_relay(client_ws: WebSocket):
                     "input_audio_transcription": {"model": "whisper-1"},
                     "turn_detection": {
                         "type": "server_vad",
-                        "threshold": 0.3,
+                        "threshold": 0.5,
                         "prefix_padding_ms": 300,
                         "silence_duration_ms": 700,
                     },

static/index.html

@@ -192,9 +192,9 @@ async function connect() {
     mediaStream = await navigator.mediaDevices.getUserMedia({
       audio: {
         channelCount: 1,
-        echoCancellation: false,
-        noiseSuppression: false,
-        autoGainControl: false
+        echoCancellation: true,
+        noiseSuppression: true,
+        autoGainControl: true
       }
     });
     const track = mediaStream.getAudioTracks()[0];
@@ -307,6 +307,8 @@ function handleEvent(evt) {
 
     case 'response.created':
       console.log('[response] olusturuldu');
+      // Asistan konusmaya baslarken mikrofonu sustur (echo loop'u onle)
+      muteMic(true);
       break;
     case 'response.done':
       console.log('[response] tamamlandi', evt.response?.status, evt.response?.status_details);
@@ -314,6 +316,8 @@ function handleEvent(evt) {
         const errMsg = evt.response?.status_details?.error?.message || JSON.stringify(evt.response?.status_details);
         addMsg('tool', '⚠️ Response failed: ' + errMsg);
       }
+      // Asistan bitince mikrofonu ac
+      muteMic(false);
       break;
 
     case 'error':
@@ -323,6 +327,12 @@ function handleEvent(evt) {
   }
 }
 
+function muteMic(mute) {
+  if (!mediaStream) return;
+  mediaStream.getAudioTracks().forEach(t => t.enabled = !mute);
+  console.log('[mic]', mute ? 'muted (assistant konusuyor)' : 'unmuted');
+}
+
 let _streaming = {};
 function appendDelta(role, delta) {
   if (!delta) return;