Update app.py

app.py

@@ -58,6 +58,14 @@ def transcribe_audio_online_streaming(file, language):
             sample_rate = 16000
 
         waveform_np = waveform.numpy()[0]
+
+        # Add 0.5 seconds of silence padding at the beginning and end
+        pad_duration = 0.5  # seconds
+        pad_samples = int(pad_duration * sample_rate)
+        pad_start = np.zeros(pad_samples, dtype=np.float32)
+        pad_end = np.zeros(pad_samples, dtype=np.float32)
+        waveform_np = np.concatenate([pad_start, waveform_np, pad_end])
+        
         total_samples = waveform_np.shape[0]
         
         s = recognizer.create_stream()