diff --git a/py/voice.py b/py/voice.py
index 24d12ac..8aeb3e0 100644
--- a/py/voice.py
+++ b/py/voice.py
@@ -7,25 +7,19 @@ class VoiceRecognition:
     @staticmethod
     def recognition(audio):
         audio_buffer = io.BytesIO(audio.read())
-        
-        try:
-            audio_segment = AudioSegment.from_file(audio_buffer, format="ogg")
-            
-            wav_io = io.BytesIO()
-            audio_segment.export(wav_io, format="wav")
-            wav_io.seek(0)
-        except:
-            print("audio to wav failed")
-        
+
+        audio_segment = AudioSegment.from_file(audio_buffer, format="ogg")
+
+        wav_io = io.BytesIO()
+        audio_segment.export(wav_io, format="wav")
+        wav_io.seek(0)
+
         model_size = "base"
-        model = WhisperModel(model_size, device="cpu", compute_type=" ")
-        
+        model = WhisperModel(model_size, device="cpu", compute_type="int8")
+
         segments, _ = model.transcribe(wav_io)
         transcription = ""
         for segment in segments:
             transcription += segment.text + " "
         result = transcription.strip()
-        print(result)
         return result
-
-# npm install @ffmpeg/ffmpeg @ffmpeg/util @ffmpeg/types @ffmpeg/core-mt
\ No newline at end of file