HTK: Hidden Markov Model Toolkit

Provided by:
University of Cambridge - Engineering Department

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

HTK consists of a set of library modules and tools available in C source form. The tools provide sophisticated facilities for speech analysis, HMM training, testing and results analysis. The software supports HMMs using both continuous density mixture Gaussians and discrete distributions and can be used to build complex HMM systems. The HTK release contains extensive documentation and examples.

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Documentation: HTKBook

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Request - Source Code : http://htk.eng.cam.ac.uk/download.shtml

Terms of Use: HTK END USER LICENSE AGREEMENT

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