Update README.md

README.md

@@ -1,4 +1,13 @@
 ---
+license: cc-by-4.0
+task_categories:
+- automatic-speech-recognition
+- text-to-speech
+language:
+- vi
+pretty_name: a novel large-scale Vietnamese speech corpus (LSVSC)
+size_categories:
+- 10K<n<100K
 dataset_info:
   features:
   - name: audio
@@ -37,3 +46,26 @@ configs:
   - split: test
     path: data/test-*
 ---
+
+# unofficial mirror of LSVSC dataset (novel large-scale Vietnamese speech corpus)
+
+official announcement: https://www.mdpi.com/2079-9292/13/5/977
+
+official download: https://drive.google.com/drive/folders/1tiPKaIOC7bt6isv5qFqf61O_2jFK8ZOI
+
+100h, 57k samples
+
+pre-process: remove non-sense characters: `\r` `\n`
+
+need to do: check misspelling, restore foreign words phonetised to vietnamese
+
+usage with HuggingFace:
+```python
+# pip install -q "datasets[audio]"
+from datasets import load_dataset
+from torch.utils.data import DataLoader
+
+dataset = load_dataset("doof-ferb/LSVSC", split="train", streaming=True)
+dataset.set_format(type="torch", columns=["audio", "transcription"])
+dataloader = DataLoader(dataset, batch_size=4)
+```