Patents in the field of HMM Methods

• Hierarchical subband linear predictive cepstral features for HMM-based speech recognition

• Decoding multiple HMM sets using a single sentence grammar

• Adapting a hidden Markov sound model in a speech recognition lexicon

• HMM Device

• Output Probability Computation Control Method of Continuously Distributed Type Hidden Markov Model (HMM), Table Generating Method and Voice Recognition Device

• Learning Device of HMM

• Method and apparatus for providing improved HMM POS tagger for multi-word entries and factoids

• Combined quantized and continuous feature vector HMM approach to speech recognition

• Parallel Estimating Method for HMM Parameter

• Method and system to scale down a decision tree-based hidden markov model (hmm) for speech recognition

• Compressing HMM prototypes

• HMM parameter learning method and device therefor

• HMM Forming Device

• Learning Device for HMM

• Method and system for generating and searching an optimal maximum likelihood decision tree for hidden markov model (hmm) based speech recognition

• Method of calculating HMM output probability and speech recognition apparatus

• Automatic text-independent, language-independent speaker voice-print creation and speaker recognition

• Method and Device for Accumulating Transformations for Hierarchical Linear Regression HMM Adaption

• HMM Generator

• Source normalization training for HMM modeling of speech

• Unsupervised HMM adaptation based on speech-silence discrimination