since loss reduce and model more confidence, then less lm alpha

5 years ago · 1573675888
parent f8719971b5
commit 1573675888
2 changed files with 2 additions and 2 deletions
--- a/examples/librispeech/README.md
+++ b/examples/librispeech/README.md
@ -3,5 +3,5 @@
 ## CTC
 | Model | Config | Test Set |  WER | Valid Loss |
 | --- | --- | --- | --- | --- |
-| DeepSpeech2 | conf/deepspeech2.yaml | test-clean | 0.071391 | 15.078561 |
+| DeepSpeech2 | conf/deepspeech2.yaml | test-clean | 0.069357 | 15.078561 |
 | DeepSpeech2 | release 1.8.5 | test-clean | 0.074939 | 15.351633 |
--- a/examples/librispeech/conf/deepspeech2.yaml
+++ b/examples/librispeech/conf/deepspeech2.yaml
@ -39,7 +39,7 @@ decoding:
  error_rate_type: wer
  decoding_method: ctc_beam_search
  lang_model_path: data/lm/common_crawl_00.prune01111.trie.klm
-  alpha: 2.5
+  alpha: 1.9
  beta: 0.3
  beam_size: 500
  cutoff_prob: 1.0