417 search results - page 19 / 84 » Signal processing tools for speech recognition |
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Semi-continuous acoustic models, where the output distributions for all Hidden Markov Model states share a common codebook of Gaussian density functions, are a well-known and prov...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper we propose discriminative training of hierarchical acoustic models for large vocabulary continuous speech recognition tasks. After presenting our hierarchical modeli...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper investigates using Gaussian Mixture Model (GMM) based vowel duration features for automated assessment of non-native speech. Two different types of models were compared...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we consider the extraction of speaker identity from audio records of broadcast news without a priori acoustic information about speakers. Using an automatic speech ...
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
This paper presents a new robust feature extraction algorithm based on a modified approach to power bias subtraction combined with applying a threshold to the power spectral dens...