Lattice Spoken Term Detection toolkit (LatticeSTD)

Toolkit for experiments with lattice based spoken term detection. It allows you to define set of terms and search them in lattices.


  • Searches for defined sequence of links in lattice and outputs label assign to this sequence.
  • Calculates confidence of found sequence (posterior probability)
  • Filter overlapped detection
  • Allows handle substitutions/deletion/insertion (useful for phone lattices)