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PaddleSpeech/utils/fst/rnnt_token_fst.py

37 lines
993 B

#!/usr/bin/env python3
import argparse
def main(args):
# skip <blank> `token`
print('0 0 <blank> <eps>')
with open(args.token_file, 'r') as fin:
for entry in fin:
fields = entry.strip().split(' ')
phone = fields[0]
if phone == '<eps>' or phone == '<blank>':
continue
elif '#' in phone:
# disambiguous phone
# maybe add disambiguous `token`
print('{} {} {} {}'.format(0, 0, '<eps>', phone))
else:
# eating `token`
print('{} {} {} {}'.format(0, 0, phone, phone))
# final state
print('0')
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='FST: RNN-T Token FST transducer')
parser.add_argument(
'--token_file',
required=True,
help='e2e model token file. line: token(char/phone/spm/disambigous)')
args = parser.parse_args()
main(args)