diff --git a/process.py b/process.py
index a629d5b..eaf0348 100644
--- a/process.py
+++ b/process.py
@@ -63,22 +63,42 @@ def resample_audios(load_folder: Path, save_folder: Path, logging,  resample_rat
         for idx, kwarg in enumerate(kwarg_list):
             pool_func(**kwarg)
 
-def download_audio(save_folder: Path, file_name: Path, link: str):
+def download_audio(save_folder: Path, file_name: Path, link: str, use_alt_links: bool = False):
     """
     download one audio file.
     Inputs:
         save_folder: folder to save audio files
         file_path: location to save the audo file
         link: link to download the audio file
+        use_alt_links: Whether to use alternative download links for bigsoundbank files
     """
     audio_save_path = os.path.join(save_folder,file_name)
+    base_name = os.path.splitext(file_name)[0]
 
     try:
-        wget.download(link, audio_save_path)
+        if use_alt_links and link and 'bigsoundbank.com' in link:
+            aiff_link = link.replace('/UPLOAD/wav/', '/UPLOAD/aiff/').replace('.wav', '.aiff')
+            tmp_path = os.path.join(save_folder, f"{base_name}.aiff")
+            wget.download(aiff_link, tmp_path)
+            logging.info(f'Downloaded {aiff_link} -> {tmp_path}')
+            try:
+                data, sr = sf.read(tmp_path)
+                sf.write(audio_save_path, data, sr, 'PCM_24')
+                os.remove(tmp_path)
+                logging.info(f'Converted {tmp_path} -> {audio_save_path}')
+                return
+            except Exception as conv_e:
+                logging.info(f'Failed to convert {tmp_path} to WAV: {conv_e}')
+
+        else:
+            wget.download(link, audio_save_path)
+            logging.info(f'Downloaded {link} -> {audio_save_path}')
+            return
+
     except Exception as e:
         logging.info(f'File {link} could not be downloaded because of error {e}')
 
-def download_audios(csv_path: Path, save_folder: Path, logging, processes):
+def download_audios(csv_path: Path, save_folder: Path, logging, processes, use_alt_links: bool = False):
     """
     Download all audio files listed in fname.csv
     Inputs:
@@ -87,6 +107,7 @@ def download_audios(csv_path: Path, save_folder: Path, logging, processes):
         logging: Logging module containing information about the progress of the code
         processes: Number of processes downloading audio content at
             the same time
+        use_alt_links: Whether to use alternative download links for bigsoundbank files
     """
     fname = pd.read_csv(csv_path)
     download_links = list(fname['download_link'])
@@ -98,6 +119,7 @@ def download_audios(csv_path: Path, save_folder: Path, logging, processes):
             "save_folder": save_folder,
             "file_name": file_names[i],
             "link": link,
+            "use_alt_links": use_alt_links,
         })
 
     pool_func = download_audio
@@ -115,6 +137,7 @@ def main():
     parser.add_argument("--save_folder_path", type=Path, required=True)
     parser.add_argument("--resample_rate", type=int, default=44100, choices=[44100,16000,22050,32000,44100,44800])
     parser.add_argument("--processes", type=int, default=1)
+    parser.add_argument("--use_alt_links", action='store_true')
 
     args = parser.parse_args()
 
@@ -133,7 +156,7 @@ def main():
 
     # Download files
     logging.info('Starting to download files')
-    download_audios(args.csv_path, download_folder_path, logging, args.processes)
+    download_audios(args.csv_path, download_folder_path, logging, args.processes, args.use_alt_links)
 
     # Resample files
     logging.info('Starting to resample files')