Add Pretrained example

README.md

@@ -50,6 +50,20 @@ pip install speechbrain
 Please notice that we encourage you to read our tutorials and learn more about
 [SpeechBrain](https://speechbrain.github.io).
 
+## Pretrained Usage
+
+To use the mimic-loss-trained model for enhancement, use the following simple code:
+
+```python
+from speechbrain.pretrained import SpectralMaskEnhancement
+
+enhance_model = SpectralMaskEnhancement.from_hparams(
+    source="speechbrain/mtl-mimic-voicebank",
+    savedir="pretrained_models/mtl-mimic-voicebank",
+)
+enhance_model.enhance_file("/path/to/file.wav")
+```
+
 ## Referencing Mimic Loss
 
 If you find mimic loss useful, please cite:
@@ -76,4 +90,4 @@ publisher = {GitHub},
 journal = {GitHub repository},
 howpublished = {\url{https://github.com/speechbrain/speechbrain}},
 }
-``` 
+```