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Change the default value of lattice-score-scale from 1.0 to 0.5

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Fangjun Kuang 2021-09-13 10:28:32 +08:00
parent 7f8e3a673a
commit 1d61adbec1
2 changed files with 5 additions and 3 deletions
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5
egs/librispeech/ASR/conformer_ctc/decode.py
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@ -108,7 +108,7 @@ def get_parser():
parser.add_argument( parser.add_argument(
"--lattice-score-scale", "--lattice-score-scale",
type=float, type=float,
default=1.0, default=0.5,
help="""The scale to be applied to `lattice.scores`. help="""The scale to be applied to `lattice.scores`.
It's needed if you use any kinds of n-best based rescoring. It's needed if you use any kinds of n-best based rescoring.
Used only when "method" is one of the following values: Used only when "method" is one of the following values:
@ -278,7 +278,8 @@ def decode_one_batch(
"attention-decoder", "attention-decoder",
] ]
lm_scale_list = [0.8, 0.9, 1.0, 1.1, 1.2, 1.3] lm_scale_list = [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7]
lm_scale_list += [0.8, 0.9, 1.0, 1.1, 1.2, 1.3]
lm_scale_list += [1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0] lm_scale_list += [1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0]
if params.method == "nbest-rescoring": if params.method == "nbest-rescoring":

3
egs/librispeech/ASR/tdnn_lstm_ctc/decode.py
View File

@ -206,7 +206,8 @@ def decode_one_batch(
assert params.method in ["nbest-rescoring", "whole-lattice-rescoring"] assert params.method in ["nbest-rescoring", "whole-lattice-rescoring"]
lm_scale_list = [0.8, 0.9, 1.0, 1.1, 1.2, 1.3] lm_scale_list = [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7]
lm_scale_list += [0.8, 0.9, 1.0, 1.1, 1.2, 1.3]
lm_scale_list += [1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0] lm_scale_list += [1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0]
if params.method == "nbest-rescoring": if params.method == "nbest-rescoring":