diff --git a/openai_realtime_client/client/realtime_client.py b/openai_realtime_client/client/realtime_client.py
index c62a5ec..831324e 100644
--- a/openai_realtime_client/client/realtime_client.py
+++ b/openai_realtime_client/client/realtime_client.py
@@ -78,7 +78,7 @@ def __init__(
         self.tools: List[AsyncBaseTool] = tools
 
         # Track current response state
-        self._current_response_idcurrent_response_id = None
+        self._current_response_id = None
         self._current_item_id = None
         self._is_responding = False
         
diff --git a/openai_realtime_client/handlers/audio_handler.py b/openai_realtime_client/handlers/audio_handler.py
index 6126497..d7bef72 100644
--- a/openai_realtime_client/handlers/audio_handler.py
+++ b/openai_realtime_client/handlers/audio_handler.py
@@ -54,7 +54,7 @@ def __init__(self):
 
         # Playback params
         self.playback_stream = None
-        self.playback_buffer = queue.Queue(maxsize=20)
+        self.playback_buffer = queue.Queue(maxsize=1024)
         self.playback_event = threading.Event()
         self.playback_thread = None
         self.stop_playback = False
@@ -239,4 +239,4 @@ def cleanup(self):
             self.stream.stop_stream()
             self.stream.close()
 
-        self.audio.terminate()
\ No newline at end of file
+        self.audio.terminate()