1 files changed, 23 insertions, 2 deletions
diff --git a/swr2_asr/model_deep_speech.py b/swr2_asr/model_deep_speech.py
index dd07ff9..8ddbd99 100644
--- a/swr2_asr/model_deep_speech.py
+++ b/swr2_asr/model_deep_speech.py
@@ -1,8 +1,29 @@
-"""Main definition of model"""
+"""Main definition of the Deep speech 2 model by Baidu Research.
+
+Following definition by Assembly AI 
+(https://www.assemblyai.com/blog/end-to-end-speech-recognition-pytorch/)
+"""
+from typing import TypedDict
+
 import torch.nn.functional as F
 from torch import nn
 
 
+class HParams(TypedDict):
+    """Type for the hyperparameters of the model."""
+
+    n_cnn_layers: int
+    n_rnn_layers: int
+    rnn_dim: int
+    n_class: int
+    n_feats: int
+    stride: int
+    dropout: float
+    learning_rate: float
+    batch_size: int
+    epochs: int
+
+
 class CNNLayerNorm(nn.Module):
     """Layer normalization built for cnns input"""
 
@@ -60,7 +81,7 @@ class ResidualCNN(nn.Module):
 
 
 class BidirectionalGRU(nn.Module):
-    """BIdirectional GRU with Layer Normalization and Dropout"""
+    """Bidirectional GRU with Layer Normalization and Dropout"""
 
     def __init__(
         self,