HTK: HTK (Hidden Markov Model Toolkit) HTK: HTK: The Hidden Markov Model Toolkit (HTK) is a portable toolkit for HTK: building and manipulating hidden Markov models. HTK is primarily HTK: used for speech recognition research although it has been used for HTK: numerous other applications including research into speech synthesis HTK: character recognition and DNA sequencing. HTK is in use at hundreds HTK: of sites worldwide. HTK: HTK: HTK: