HMM2- extraction of formant structures and their use for robust ASR

@inproceedings{Weber2001HMM2EO,
  title={HMM2- extraction of formant structures and their use for robust ASR},
  author={Katrin Weber and Samy Bengio and Herv{\'e} Bourlard},
  booktitle={INTERSPEECH},
  year={2001}
}
As recently introduced in [1], an HMM2 can be considered as a particular case of an HMM mixture in which the HMM emission probabilities (usually estimated through Gaussian mixtures or an artificial neural network) are modeled by statedependent, feature-based HMM (referred to as frequency HMM). A general EM training algorithm for such a structure has been… CONTINUE READING