Edinburgh Speech Tools  2.4-release
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Train a weighted finite-state transducer


wfst_train [WFSTFILE] [input file0] ... [-o output file] [-wfst ifile] [-data ifile] [-o ofile] [-heap int]

This takes an existing WFST and data and splits states in an entropy reduce way to produced a new WFST that better models the given data.


  • -wfst: ifile The WFST to start from
  • -data: ifile Sentences in the language recognised by WFST
  • -o: ofile Output file for trained WFST
  • -heap: int " {210000}" Set size of Lisp heap, needed for large rulesets