Update README.md

README.md

@@ -1,4 +1,9 @@
 ---
+license: cc-by-nc-sa-4.0
+task_categories: ["automatic-speech-recognition"]
+language: ["vi"]
+pretty_name: VLSP 2020 - VinAI - ASR challenge dataset
+size_categories: ["10K<n<100K"]
 dataset_info:
   features:
   - name: audio
@@ -17,3 +22,30 @@ configs:
   - split: train
     path: data/train-*
 ---
+
+# unofficial mirror of VLSP 2020 - VinAI - ASR challenge dataset
+
+official announcement:
+- tiếng việt: https://institute.vinbigdata.org/events/vinbigdata-chia-se-100-gio-du-lieu-tieng-noi-cho-cong-dong/
+- in eglish: https://institute.vinbigdata.org/en/events/vinbigdata-shares-100-hour-data-for-the-community/
+
+official download: https://drive.google.com/file/d/1vUSxdORDxk-ePUt-bUVDahpoXiqKchMx/view?usp=sharing
+
+contact: info@vinbigdata.org
+
+100h, 56.4k samples, accuracy 96%
+
+pre-process: merge all transcript text files into 1, remove token `<unk>`
+
+need to do: 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/vlsp2020_vinai_100h", split="train", streaming=True)
+dataset.set_format(type="torch", columns=["audio", "transcription"])
+dataloader = DataLoader(dataset, batch_size=4)
+```