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[speechx] update wfst graph #1742

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Apr 21, 2022
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[speechx] update wfst graph #1742

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13 changes: 11 additions & 2 deletions speechx/examples/ds2_ol/aishell/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ Mandarin -> 16.14 % N=104612 C=88190 S=16110 D=312 I=465
Other -> 0.00 % N=0 C=0 S=0 D=0 I=0
```

## CTC Prefix Beam Search w LM
## CTC Prefix Beam Search w/ LM

LM: zh_giga.no_cna_cmn.prune01244.klm
```
Expand All @@ -19,9 +19,18 @@ Other -> 0.00 % N=0 C=0 S=0 D=0 I=0

## CTC WFST

LM: aishell train
LM: [aishell train](http://paddlespeech.bj.bcebos.com/speechx/examples/ds2_ol/aishell/aishell_graph.zip)
--acoustic_scale=1.2
```
Overall -> 11.14 % N=103017 C=93363 S=9583 D=71 I=1819
Mandarin -> 11.14 % N=103017 C=93363 S=9583 D=71 I=1818
Other -> 0.00 % N=0 C=0 S=0 D=0 I=1
```

LM: [wenetspeech](http://paddlespeech.bj.bcebos.com/speechx/examples/ds2_ol/aishell/wenetspeech_graph.zip)
--acoustic_scale=1.5
```
Overall -> 10.93 % N=104765 C=93410 S=9780 D=1575 I=95
Mandarin -> 10.93 % N=104762 C=93410 S=9779 D=1573 I=95
Other -> 100.00 % N=3 C=0 S=1 D=2 I=0
```
9 changes: 5 additions & 4 deletions speechx/examples/ds2_ol/aishell/run.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ if [ ${stage} -le 2 ] && [ ${stop_stage} -ge 2 ]; then
ctc-prefix-beam-search-decoder-ol \
--feature_rspecifier=scp:$data/split${nj}/JOB/feat.scp \
--model_path=$model_dir/avg_1.jit.pdmodel \
--params_path=$model_dir/avg_1.jit.pdiparams \
--param_path=$model_dir/avg_1.jit.pdiparams \
--model_output_names=softmax_0.tmp_0,tmp_5,concat_0.tmp_0,concat_1.tmp_0 \
--dict_file=$vocb_dir/vocab.txt \
--result_wspecifier=ark,t:$data/split${nj}/JOB/result
Expand All @@ -102,7 +102,7 @@ if [ ${stage} -le 3 ] && [ ${stop_stage} -ge 3 ]; then
ctc-prefix-beam-search-decoder-ol \
--feature_rspecifier=scp:$data/split${nj}/JOB/feat.scp \
--model_path=$model_dir/avg_1.jit.pdmodel \
--params_path=$model_dir/avg_1.jit.pdiparams \
--param_path=$model_dir/avg_1.jit.pdiparams \
--model_output_names=softmax_0.tmp_0,tmp_5,concat_0.tmp_0,concat_1.tmp_0 \
--dict_file=$vocb_dir/vocab.txt \
--lm_path=$lm \
Expand All @@ -119,17 +119,18 @@ if [ ${stage} -le 4 ] && [ ${stop_stage} -ge 4 ]; then
pushd $wfst
wget -c https://paddlespeech.bj.bcebos.com/s2t/paddle_asr_online/aishell_graph.zip
unzip aishell_graph.zip
mv aishell_graph/*
popd
fi

graph_dir=$wfst/aishell_graph
graph_dir=$wfst/

# TLG decoder
utils/run.pl JOB=1:$nj $data/split${nj}/JOB/recog.wfst.log \
wfst-decoder-ol \
--feature_rspecifier=scp:$data/split${nj}/JOB/feat.scp \
--model_path=$model_dir/avg_1.jit.pdmodel \
--params_path=$model_dir/avg_1.jit.pdiparams \
--param_path=$model_dir/avg_1.jit.pdiparams \
--word_symbol_table=$graph_dir/words.txt \
--model_output_names=softmax_0.tmp_0,tmp_5,concat_0.tmp_0,concat_1.tmp_0 \
--graph_path=$graph_dir/TLG.fst --max_active=7500 \
Expand Down