Update app.py

app.py

@@ -217,28 +217,24 @@ def trim_audio(intervals, input_file_path, output_file_path):
         # export the segment to a file
         segment.export(output_file_path_i, format='wav')
 
-import re
-
-def merge_audios(input_dir):
+def merge_audios(folder_path):
     output_file = "AI配音版.wav"
-    # List all .wav files in the directory
-    files = [f for f in os.listdir(input_dir) if f.endswith('.wav')]
-
-    # Sort files based on the numerical order extracted from their names
-    sorted_files = sorted(files, key=lambda x: int(re.search(r'(\d+)', x).group()))
-
+    # Get all WAV files in the folder
+    files = [f for f in os.listdir(folder_path) if f.endswith('.wav')]
+    # Sort files based on the last digit in their names
+    sorted_files = sorted(files, key=lambda x: int(x.split()[-1].split('.')[0][-1]))
+    
     # Initialize an empty audio segment
-    combined = AudioSegment.empty()
-
-    # Loop through the sorted list and concatenate them
+    merged_audio = AudioSegment.empty()
+    
+    # Loop through each file, in order, and concatenate them
     for file in sorted_files:
-        path = os.path.join(input_dir, file)
-        audio = AudioSegment.from_wav(path)
-        combined += audio
+        audio = AudioSegment.from_wav(os.path.join(folder_path, file))
+        merged_audio += audio
         print(f"Merged: {file}")
-
-    # Export the combined audio
-    combined.export(output_file, format="wav")
+    
+    # Export the merged audio to a new file
+    merged_audio.export(output_file, format="wav")
     return "AI配音版.wav"
 
 import shutil