update license

.gitattributes

@@ -33,3 +33,6 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+Figures/model.png filter=lfs diff=lfs merge=lfs -text
+Figures/table_16k.png filter=lfs diff=lfs merge=lfs -text
+Figures/table_48k.png filter=lfs diff=lfs merge=lfs -text

LICENSE.txt

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Ye-Xin Lu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -13,6 +13,10 @@ Notably, to our knowledge, AP-BWE is the first to achieve the direct extension o
 
 **We provide our implementation as open source in this repository. Audio samples can be found at the [demo website](http://yxlu-0102.github.io/AP-BWE).**
 
+## License
+
+The code in this repository is licensed under the MIT License.<br>
+The weights for this model are stored in [Google Drive](https://drive.google.com/drive/folders/1IIYTf2zbJWzelu4IftKD6ooHloJ8mnZF?usp=share_link). You can access and use the weights under the same MIT License. Please refer to the [weights_LICENSE.txt](weights_LICENSE.txt) for more details on the licensing.
 
 ## Pre-requisites
 0. Python >= 3.9.

weights_LICENSE.txt

@@ -0,0 +1,2 @@
+The weights for this model are licensed under the MIT License.
+You can use, modify, and distribute the weights freely as long as you comply with the terms of the MIT License.