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Fix building HLG

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This commit is contained in:
Fangjun Kuang 2023-09-27 14:31:37 +08:00
parent f357d3ff3d
commit edc37b0829
1 changed files with 7 additions and 2 deletions
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9
egs/librispeech/ASR/local/prepare_lang_fst.py
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@ -160,6 +160,11 @@ def build_HLG(
return HLG return HLG
def copy_fst(fst):
# Please don't use fst.copy()
return kaldifst.StdVectorFst(fst)
def main(): def main():
args = get_args() args = get_args()
lang_dir = args.lang_dir lang_dir = args.lang_dir
@ -185,8 +190,8 @@ def main():
logging.info("Building HL") logging.info("Building HL")
HL = build_HL( HL = build_HL(
H=H.copy(), H=copy_fst(H),
L=L.copy(), L=copy_fst(L),
has_silence=args.has_silence, has_silence=args.has_silence,
lexicon=lexicon, lexicon=lexicon,
) )