Update websocket_handler.py

websocket_handler.py

@@ -85,19 +85,27 @@ class SilenceDetector:
     def is_silence(self, audio_chunk: bytes) -> bool:
         """Check if audio chunk is silence"""
         try:
+            # Audio chunk boyutunu kontrol et
+            if len(audio_chunk) == 0:
+                return True
+            
+            # Chunk boyutu 2'nin katı olmalı (16-bit audio için)
+            if len(audio_chunk) % 2 != 0:
+                # Tek byte varsa, son byte'ı at
+                audio_chunk = audio_chunk[:-1]
+                
             # Convert bytes to numpy array (assuming 16-bit PCM)
             audio_data = np.frombuffer(audio_chunk, dtype=np.int16)
             
-            # Calculate RMS energy
+            # RMS hesapla
             if len(audio_data) == 0:
                 return True
                 
             rms = np.sqrt(np.mean(audio_data.astype(float) ** 2))
-            normalized_rms = rms / 32768.0  # Normalize for 16-bit audio
-    
-            # Audio energy log'unu kaldırdık
+            normalized_rms = rms / 32768.0
             
             return normalized_rms < self.energy_threshold
+            
         except Exception as e:
             log_warning(f"Silence detection error: {e}")
             return False
@@ -212,7 +220,7 @@ class RealtimeSession:
             stt_config = {
                 "language": language_code,
                 "interim_results": config.get("interim_results", True),
-                "single_utterance": False,
+                "single_utterance": True,
                 "enable_punctuation": config.get("enable_punctuation", True),
                 "sample_rate": 16000,
                 "encoding": "WEBM_OPUS"