Add audio-to-audio pipeline tag

README.md

@@ -1,6 +1,8 @@
 ---
 license: mit
+pipeline_tag: audio-to-audio
 ---
+
 # X-VC
 
 [![arXiv](https://img.shields.io/badge/arXiv-2604.12456-b31b1b.svg)](https://arxiv.org/abs/2604.12456)
@@ -40,7 +42,7 @@ Then set paths in [`configs/xvc.yaml`](configs/xvc.yaml), especially:
 
 ### 4. Prepare checkpoints
 
-Put checkpoints under `ckpts/`, for example:
+Put [X-VC checkpoints](https://huggingface.co/chenxie95/X-VC) under `ckpts/`, for example:
 
 ```text
 ckpts/
@@ -169,4 +171,4 @@ If you find our work useful in your research, please consider citing:
 ```
 ## License
 
-This project is licensed under the MIT License.
+This project is licensed under the MIT License.