Update hyperparams.yaml

hyperparams.yaml

@@ -80,8 +80,23 @@ encoder: !new:speechbrain.nnet.containers.LengthsCapableSequential
 modules:
   encoder: !ref <encoder>
 
-decoding_function: !name:speechbrain.decoders.ctc_greedy_decode
-    blank_id: !ref <blank_index>
+# Decoding parameters
+decoding_type : beam  #"beam" or "greedy"
+
+test_beam_search:
+    blank_index: !ref <blank_index>
+    beam_size: 100
+    beam_prune_logp: -12.0
+    token_prune_min_logp: -1.2
+    prune_history: True
+    topk: 1
+    alpha: 1.0
+    beta: 0.5
+    # can be downloaded from here https://www.openslr.org/11/ or trained with kenLM
+    # It can either be a .bin or .arpa ; note: .arpa is much slower at loading
+    # If you don't want to use an LM, comment it out or set it to null
+    kenlm_model_path: en_5gram.arpa
+
 
 pretrainer: !new:speechbrain.utils.parameter_transfer.Pretrainer
    loadables: