Update app.py

app.py

@@ -374,11 +374,14 @@ def process_entry(entry, i, video_width, video_height, add_voiceover, target_lan
             logger.debug(f"Audio clip duration: {audio_clip.duration}, Desired duration: {desired_duration}")
 
             if audio_clip.duration < desired_duration:
+                # Pad with silence if audio is too short
                 silence_duration = desired_duration - audio_clip.duration
-                audio_clip = concatenate_audioclips([audio_clip, AudioClip(lambda t: 0, duration=silence_duration)])
+    
+                # Concatenate the original audio and silence
+                audio_clip = concatenate_audioclips([audio_clip, silence(duration=silence_duration)])
                 logger.info(f"Padded audio with {silence_duration} seconds of silence.")
-
-            audio_segment = audio_clip.set_start(entry["start"]).set_duration(desired_duration)
+            
+                audio_segment = audio_clip.set_start(entry["start"]).set_duration(desired_duration)
         except Exception as e:
             logger.error(f"\u274c Failed to generate audio segment for entry {i}: {e}")
             audio_segment = None