add datasets description

README.md

@@ -19,7 +19,7 @@ should probably proofread and complete it, then remove this comment. -->
 
 # speech-emotion-recognition-with-facebook-wav2vec2-large-xlsr-53
 
-This model is a fine-tuned version of [facebook/wav2vec2-large-xlsr-53](https://huggingface.co/facebook/wav2vec2-large-xlsr-53) on the None dataset.
+This model is a fine-tuned version of [facebook/wav2vec2-large-xlsr-53](https://huggingface.co/facebook/wav2vec2-large-xlsr-53) on the [RAVDESS](https://zenodo.org/records/1188976#.XsAXemgzaUk), [SAVEE](https://www.kaggle.com/datasets/ejlok1/surrey-audiovisual-expressed-emotion-savee/data), [TESS](https://tspace.library.utoronto.ca/handle/1807/24487), and [URDU](https://www.kaggle.com/datasets/bitlord/urdu-language-speech-dataset) dataset.
 It achieves the following results on the evaluation set:
 - Loss: 0.4989
 - Accuracy: 0.9168