diff --git a/whisperlivekit/core.py b/whisperlivekit/core.py
index e6e9893..7f10c84 100644
--- a/whisperlivekit/core.py
+++ b/whisperlivekit/core.py
@@ -57,6 +57,8 @@ class TranscriptionEngine:
         }
         transcription_common_params = update_with_kwargs(transcription_common_params, kwargs)                                            
 
+        if transcription_common_params['model_size'].endswith(".en"):
+            transcription_common_params["lan"] = "en"
         if 'no_transcription' in kwargs:
             global_params['transcription'] = not global_params['no_transcription']
         if 'no_vad' in kwargs:
diff --git a/whisperlivekit/timed_objects.py b/whisperlivekit/timed_objects.py
index caa5967..0637ed8 100644
--- a/whisperlivekit/timed_objects.py
+++ b/whisperlivekit/timed_objects.py
@@ -126,7 +126,7 @@ class Line(TimedText):
     
     def to_dict(self):
         _dict = {
-            'speaker': abs(int(self.speaker)),
+            'speaker': int(self.speaker) if self.speaker != -1 else 1,
             'text': self.text,
             'start': format_time(self.start),
             'end': format_time(self.end),
@@ -151,7 +151,7 @@ class FrontData():
     def to_dict(self):
         _dict = {
             'status': self.status,
-            'lines': [line.to_dict() for line in self.lines if line.text],
+            'lines': [line.to_dict() for line in self.lines if (line.text or line.speaker == -2)],
             'buffer_transcription': self.buffer_transcription,
             'buffer_diarization': self.buffer_diarization,
             'remaining_time_transcription': self.remaining_time_transcription,