diff --git a/ComSpeech/data_preparation/fill_data.py b/ComSpeech/data_preparation/fill_data.py
new file mode 100644
index 0000000..9fe6688
--- /dev/null
+++ b/ComSpeech/data_preparation/fill_data.py
@@ -0,0 +1,81 @@
+import pandas as pd
+from examples.speech_to_text.data_utils import (
+    load_df_from_tsv,
+    save_df_to_tsv
+)
+
+database = {}
+for lang in ["fr", "de", "es"]:
+    for split in ["train", "dev", "test"]:
+        path = f"data/cvss-c/{lang}-en/src/{split}.tsv"
+        df = load_df_from_tsv(path)
+        data = (df.T.to_dict().values())
+        for item in data:
+            key = item['id'].replace('.mp3', '')
+            database[key] = {
+                'src_audio': item['src_audio'],
+                'src_n_frames': item['src_n_frames'],
+            }
+
+for lang in ["ar", "ca", "cy", "de", "es", "et", "fa", "fr", "id", "it", "ja", "lv", "mn", "nl", "pt", "ru", "sl", "sv-SE", "ta", "tr", "zh-CN"]:
+    for split in ["train", "dev", "test"]:
+        path = f"data/cvss-c/{lang}-en/tts/{split}.tsv"
+        df = load_df_from_tsv(path)
+        data = (df.T.to_dict().values())
+        for item in data:
+            key = item['id'].replace('.mp3', '')
+            if key in database:
+                database[key].update({
+                    'tgt_audio': item['audio'],
+                    'tgt_n_frames': item['n_frames'],
+                    'pitch': item['pitch'],
+                    'energy': item['energy'],
+                })
+            else:
+                database[key] = {
+                    'tgt_audio': item['audio'],
+                    'tgt_n_frames': item['n_frames'],
+                    'pitch': item['pitch'],
+                    'energy': item['energy'],
+                }
+
+for lang in ["fr", "de", "es"]:
+    for split in ["train", "dev", "test", "dev.full", "test.full"]:
+        path = f"data/comspeech/cvss_{lang}_en/s2s/{split}.tsv"
+        df = load_df_from_tsv(path)
+        data = (df.T.to_dict().values())
+        for item in data:
+            key = item['id'].replace('.mp3', '')
+            item['src_audio'] = database[key]['src_audio']
+            item['src_n_frames'] = database[key]['src_n_frames']
+            if 'tgt_audio' in item:
+                item['tgt_audio'] = database[key]['tgt_audio']
+                item['tgt_n_frames'] = database[key]['tgt_n_frames']
+                item['pitch'] = database[key]['pitch']
+                item['energy'] = database[key]['energy']
+        df = pd.DataFrame.from_dict(data)
+        save_df_to_tsv(df, path)
+
+    for split in ["train", "dev", "test"]:
+        path = f"data/comspeech/cvss_{lang}_en/speech2unigram/{split}.tsv"
+        df = load_df_from_tsv(path)
+        data = (df.T.to_dict().values())
+        for item in data:
+            key = item['id'].replace('.mp3', '')
+            item['audio'] = database[key]['src_audio']
+            item['n_frames'] = database[key]['src_n_frames']
+        df = pd.DataFrame.from_dict(data)
+        save_df_to_tsv(df, path)
+
+for split in ["train", "dev", "test"]:
+    path = f"data/comspeech/cvss_x_en/tts/{split}.tsv"
+    df = load_df_from_tsv(path)
+    data = (df.T.to_dict().values())
+    for item in data:
+        key = item['id'].replace('.mp3', '')
+        item['audio'] = database[key]['tgt_audio']
+        item['n_frames'] = database[key]['tgt_n_frames']
+        item['pitch'] = database[key]['pitch']
+        item['energy'] = database[key]['energy']
+    df = pd.DataFrame.from_dict(data)
+    save_df_to_tsv(df, path)
\ No newline at end of file
diff --git a/README.md b/README.md
index 3c0fb4d..dea0dd3 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,8 @@ done
 
 ```bash
 for src_lang in ar ca cy de es et fa fr id it ja lv mn nl pt ru sl sv-SE ta tr zh-CN; do
+    mkdir -p data/cvss-c/${src_lang}-en/mfa_align
+    tar -xzvf data/cvss-c/${src_lang}-en/mfa.tar.gz -C data/cvss-c/${src_lang}-en/mfa_align/
     python ComSpeech/data_preparation/extract_tgt_features.py \
         --audio-manifest-root data/cvss-c/${src_lang}-en/ \
         --output-root data/cvss-c/${src_lang}-en/tts \
@@ -90,6 +92,12 @@ for src_lang in ar ca cy de es et fa fr id it ja lv mn nl pt ru sl sv-SE ta tr z
 done
 ```
 
+5. Replace the path in files in the `data/comspeech/` directory.
+
+```bash
+python ComSpeech/data_preparation/fill_data.py
+```
+
 ### ComSpeech (Supervised Learning)
 
 > [!Note]