Stochastic trajectory modeling for speech recognition

Y Gong, JP Haton - Proceedings of ICASSP'94. IEEE …, 1994 - ieeexplore.ieee.org
Models observations of phoneme-based speech units as clusters of trajectories in their
parameter space. The trajectories are modeled by a mixture of state sequences of multi …

Parametric trajectory models for speech recognition

H Gish, K Ng - … of Fourth International Conference on Spoken …, 1996 - ieeexplore.ieee.org
The basic motivation for employing trajectory models for speech recognition is that
sequences of speech features are statistically dependent and that the effective and efficient …

Gaussian mixture models of phonetic boundaries for speech recognition

MK Omar, M Hasegawa-Johnson… - IEEE Workshop on …, 2001 - ieeexplore.ieee.org
A new approach to represent temporal correlation in an automatic speech recognition
system is described. It introduces an acoustic feature set that captures the dynamics of a …

Tree-based state clustering for large vocabulary speech recognition

JJ Odell, PC Woodland… - Proceedings of ICSIPNN'94 …, 1994 - ieeexplore.ieee.org
The key problem to be faced when building a HMM-based continuous speech recogniser is
maintaining the balance between model complexity and available training data. For large …

Pitch dependent phone modelling for HMM based speech recognition

H Singer, S Sagayama - [Proceedings] ICASSP-92: 1992 IEEE …, 1992 - ieeexplore.ieee.org
The authors propose a novel method of incorporating pitch information into a hidden Markov
model (HMM) phoneme recognizer by exploiting the correlation between pitch and spectral …

Context modeling with the stochastic segment model

M Ostendorf, I Bechwati… - [Proceedings] ICASSP-92 …, 1992 - ieeexplore.ieee.org
The authors describe an approach, the stochastic segment model, for context modeling in
continuous speech recognition for models based on multivariate Gaussian distributions …

Linear dynamic segmental HMMs: Variability representation and training procedure

WJ Holmes, MJ Russell - 1997 IEEE International Conference …, 1997 - ieeexplore.ieee.org
This paper describes investigations into the use of linear dynamic segmental hidden Markov
models (SHMMs) for modelling speech feature-vector trajectories and their associated …

Structured Markov models for speech recognition

F Wolfertstetter, G Ruske - 1995 International Conference on …, 1995 - ieeexplore.ieee.org
This paper proposes a new modeling of the structure of speech units as a graph consisting
of base functions and a transition network. A cluster algorithm taking into account the actual …

Phonetic recognition in a segment-based HMM

JN Marcus - 1993 IEEE International Conference on Acoustics …, 1993 - ieeexplore.ieee.org
The author describes a segment-based HMM (hidden Markov model) recognizer and
presents phonetic recognition results achieved with the system. As opposed to a …

A segmental speech model with applications to word spotting

H Gish, K Ng - … Conference on Acoustics, Speech, and Signal …, 1993 - ieeexplore.ieee.org
The authors present a segmental speech model that explicitly models the dynamics in a
variable-duration speech segment by using a time-varying trajectory model of the speech …