init

filter_audio.py

@@ -0,0 +1,66 @@
+import json
+import os
+from os.path import join as p_join
+from tqdm import tqdm
+from typing import Dict
+from glob import glob
+
+from soundfile import LibsndfileError
+from datasets import Audio
+
+# dataset config
+direction = os.getenv("DIRECTION", "enA-jaA")
+sides = {i: n for n, i in enumerate(sorted(direction.split("-")), 1)}
+sides_rev = {v: k for k, v in sides.items()}
+cache_dir_audio = p_join("download", "audio", direction)
+cache_dir_feature = p_join("download", "feature", direction)
+os.makedirs(cache_dir_audio, exist_ok=True)
+os.makedirs(cache_dir_feature, exist_ok=True)
+line_no_start = int(os.getenv("LINE_NO_START", 0))
+line_no_end = int(os.getenv("LINE_NO_END", 100000))
+
+
+def loader(feature: str) -> Dict:
+    with open(feature) as f:
+        return json.load(f)
+
+
+files = {
+    int(os.path.basename(i).replace(".json", "")): i for i in glob(p_join(cache_dir_feature, "*.json"))
+}
+audio_loader = Audio()
+
+# remove broken audio files
+broken_files = []
+for i in tqdm(list(range(line_no_start, line_no_end))):
+    if i not in files:
+        continue
+    i = loader(files[i])
+    for lang_side in [sides_rev[1], sides_rev[2]]:
+        audio_file = i[f"{lang_side}.path"]
+        start, end = i[f"{lang_side}.duration_start"], i[f"{lang_side}.duration_end"]
+        if os.path.exists(audio_file):
+            try:
+                wav = audio_loader.decode_example({"path": audio_file, "bytes": None})
+                if start < end < len(wav["array"]):
+                    pass
+                else:
+                    broken_files.append(audio_file)
+            except LibsndfileError:
+                broken_files.append(audio_file)
+print(f"found {len(broken_files)} broken files:")
+if len(broken_files) > 0:
+    flag = input("delete the broken files? (y/n): ")
+    if flag == "y":
+        for audio_file in broken_files:
+            # delete broken audio file
+            if os.path.exists(audio_file):
+                os.remove(audio_file)
+            # delete corresponding feature file
+            line_no = os.path.basename(audio_file).split(".")[0]
+            try:
+                feature_file = files[int(line_no)]
+                if os.path.exists(feature_file):
+                    os.remove(feature_file)
+            except Exception as e:
+                print(e)

main.sh

@@ -3,63 +3,77 @@
 ####################
 export DIRECTION="enA-jaA"
 
+export DATASET_ID=1
 export LINE_NO_START=0
 export LINE_NO_END=25000
 python download_audio.py
 
-
+export DATASET_ID=2
 export LINE_NO_START=25000
 export LINE_NO_END=50000
 python download_audio.py
 
+export DATASET_ID=3
 export LINE_NO_START=50000
 export LINE_NO_END=75000
 python download_audio.py
 
+export DATASET_ID=4
 export LINE_NO_START=75000
 export LINE_NO_END=100000
 python download_audio.py
 
+export DATASET_ID=5
 export LINE_NO_START=100000
 export LINE_NO_END=125000
 python download_audio.py
 
+export DATASET_ID=6
 export LINE_NO_START=125000
 export LINE_NO_END=150000
 python download_audio.py
 
+export DATASET_ID=7
 export LINE_NO_START=150000
 export LINE_NO_END=175000
 python download_audio.py
 
+export DATASET_ID=8
 export LINE_NO_START=175000
 export LINE_NO_END=200000
 python download_audio.py
 
+export DATASET_ID=9
 export LINE_NO_START=200000
 export LINE_NO_END=225000
 python download_audio.py
 
+export DATASET_ID=10
 export LINE_NO_START=225000
 export LINE_NO_END=250000
 python download_audio.py
 
+export DATASET_ID=11
 export LINE_NO_START=250000
 export LINE_NO_END=275000
 python download_audio.py
 
+export DATASET_ID=12
 export LINE_NO_START=275000
 export LINE_NO_END=300000
 python download_audio.py
 
+export DATASET_ID=13
 export LINE_NO_START=300000
 export LINE_NO_END=325000
 python download_audio.py
 
+export DATASET_ID=14
 export LINE_NO_START=325000
 export LINE_NO_END=350000
 python download_audio.py
 
+export DATASET_ID=15
 export LINE_NO_START=350000
 export LINE_NO_END=360000
 python download_audio.py