diff --git a/.gitignore b/.gitignore
index e12ff74..7aaba4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,4 +16,4 @@
 /app_config.json
 /custom_logo
 /static/theme.css
-/transcription_folder.yml
\ No newline at end of file
+/transcription_config.yml
\ No newline at end of file
diff --git a/transcribe_all.py b/transcribe_all.py
index b2722b4..de02fa6 100755
--- a/transcribe_all.py
+++ b/transcribe_all.py
@@ -6,17 +6,23 @@ import concurrent.futures
 import json
 import re
 import yaml
+import librosa
+import numpy as np
 
-# model_name = "large-v3"
-model_name = "medium"
 
 # start time for transcription statistics
 start_time = 0
 total_audio_length = 0
 
-with open("transcription_folder.yml", "r", encoding="utf-8") as file:
+with open("transcription_config.yml", "r", encoding="utf-8") as file:
     settings = yaml.safe_load(file)
-    folder_list = settings.get("folder_list", [])
+    folder_list = settings.get("folder_list")
+    model_name = settings.get("model_name")
+    device = settings.get("device")
+
+def load_audio_librosa(path: str, sr: int = 16_000) -> np.ndarray:
+    audio, orig_sr = librosa.load(path, sr=sr)      # load + resample to 16 kHz
+    return audio
 
 def format_timestamp(seconds):
     """Format seconds into HH:MM:SS."""
@@ -209,7 +215,7 @@ def process_folder(root_folder):
                     continue
                 
                 valid_files.append(file_path)
-                
+
     if len(valid_files) == 0:
         print(f"Checked {checked_files} files. All files are transcribed.")
         return
@@ -217,13 +223,13 @@ def process_folder(root_folder):
         print(f"Checked {checked_files} files. Start to transcribe {len(valid_files)} files.")
     
     print("Loading Whisper model...")
-    model = whisper.load_model(model_name, device="cuda")
+    model = whisper.load_model(model_name, device=device)
     
     # Use a thread pool to pre-load files concurrently.
     with concurrent.futures.ThreadPoolExecutor() as executor:
         # Pre-load the first file.
         print("Initialize preloading process...")
-        future_audio = executor.submit(whisper.load_audio, valid_files[0])
+        future_audio = executor.submit(load_audio_librosa, valid_files[0])
         # Wait for the first file to be loaded.
         preloaded_audio = future_audio.result()
         # Record start time for transcription statistics
@@ -233,7 +239,7 @@ def process_folder(root_folder):
             preloaded_audio = future_audio.result()
             # Start loading the next file concurrently.
             if i + 1 < len(valid_files):
-                future_audio = executor.submit(whisper.load_audio, valid_files[i + 1])
+                future_audio = executor.submit(load_audio_librosa, valid_files[i + 1])
             try: #  continue with next file if a file fails
                 process_file(file_path, model, preloaded_audio)
             except Exception as e:
@@ -241,6 +247,6 @@ def process_folder(root_folder):
                 print(e)
 
 if __name__ == "__main__":
-    for folder in folder_list:  
+    for folder in folder_list:
         process_folder(folder)
     print("All done!")
\ No newline at end of file