Update app.py

app.py

@@ -41,11 +41,10 @@ def stt_record(audio_record_buffer):
 
     if type(audio_record_buffer)!=tuple:
         y, sr = librosa.load(audio_record_buffer)
-        y = y.astype(np.int16)
     else:
         sr, y = audio_record_buffer
         
-    y = librosa.resample(y, orig_sr=sr, target_sr=16000)
+    y = librosa.resample(y, orig_sr=sr, target_sr=16000).astype(np.float)
     
     scorer = True # use scorer
     if scorer: