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[egs][aishell2] turn off new word discovery in word segmentation stage #2740

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Merged
danpovey merged 1 commit into from
Sep 26, 2018
Merged

[egs][aishell2] turn off new word discovery in word segmentation stage #2740

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5 changes: 3 additions & 2 deletions egs/aishell2/s5/local/prepare_data.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,9 @@ utils/filter_scp.pl -f 1 $tmp/utt.list $tmp/tmp_wav.scp | sort -k 1 | uniq > $tm
python -c "import jieba" 2>/dev/null || \
(echo "jieba is not found. Use tools/extra/install_jieba.sh to install it." && exit 1;)
utils/filter_scp.pl -f 1 $tmp/utt.list $corpus/trans.txt | sort -k 1 | uniq > $tmp/trans.txt
awk '{print $1}' $dict_dir/lexicon.txt | sort | uniq | awk 'BEGIN{idx=0}{print $1,idx++}'> $tmp/vocab.txt
python local/word_segmentation.py $tmp/vocab.txt $tmp/trans.txt > $tmp/text
# jieba's vocab format requires word count(frequency), set to 99
awk '{print $1}' $dict_dir/lexicon.txt | sort | uniq | awk '{print $1,99}'> $tmp/word_seg_vocab.txt
python local/word_segmentation.py $tmp/word_seg_vocab.txt $tmp/trans.txt > $tmp/text

# utt2spk & spk2utt
awk -F'\t' '{print $2}' $tmp/wav.scp > $tmp/wav.list
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2 changes: 1 addition & 1 deletion egs/aishell2/s5/local/word_segmentation.py
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Expand Up @@ -19,6 +19,6 @@
jieba.set_dictionary(vocab_file)
for line in open(trans_file):
key,trans = line.strip().split('\t',1)
words = jieba.cut(trans)
words = jieba.cut(trans, HMM=False) # turn off new word discovery (HMM-based)
new_line = key + '\t' + " ".join(words)
print(new_line)