Time-varying quasi-closed-phase analysis for accurate formant tracking in speech signals

D Gowda, SR Kadiri, B Story… - IEEE/ACM Transactions …, 2020 - ieeexplore.ieee.org
In this paper, we propose a new method for the accurate estimation and tracking of formants
in speech signals using time-varying quasi-closed-phase (TVQCP) analysis. Conventional …

Incorporation of time-varying LP cepstral features in HMM-based isolated word speech recognition

F Ang, H Tsutsui, Y Miyanaga - 2015 International Symposium …, 2015 - ieeexplore.ieee.org
Current state-of-the-art automatic, continuous speech recognition systems have enjoyed
huge leaps in accuracy using speech features that assumes stationarity in the signals that …

Quasi closed phase analysis of speech signals using time varying weighted linear prediction for accurate formant tracking

D Gowda, M Airaksinen, P Alku - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Recent research on temporally weighted linear prediction shows that quasi closed phase
(QCP) analysis of speech signals provides better modeling of the vocal tract and the glottal …

Bayesian learning for time-varying linear prediction of speech

A Casamitjana, M Sundin, P Ghosh… - 2015 23rd European …, 2015 - ieeexplore.ieee.org
We develop Bayesian learning algorithms for estimation of time-varying linear prediction
(TVLP) coefficients of speech. Estimation of TVLP coefficients is a naturally underdeter …

An unsupervised approach to glottal inverse filtering

S Ghosh, E Laksana, LP Morency… - 2016 24th European …, 2016 - ieeexplore.ieee.org
The extraction of the glottal volume velocity waveform from voiced speech is a well-known
example of a sparse signal recovery problem. Prior approaches have mostly used well …

[PDF][PDF] Time-Varying Quasi-Closed-Phase Weighted Linear Prediction Analysis of Speech for Accurate Formant Detection and Tracking.

DN Gowda, P Alku - Interspeech, 2016 - isca-archive.org
In this paper, we propose a new method for accurate detection, estimation and tracking of
formants in speech signals using time-varying quasi-closed phase analysis (TVQCP). The …

Joint Bayesian estimation of time-varying LP parameters and excitation for speech

SR Chetupalli, TV Sreenivas - IEEE Signal Processing Letters, 2017 - ieeexplore.ieee.org
We consider the joint estimation of time-varying linear prediction (TVLP) filter coefficients
and the excitation signal parameters for the analysis of long-term speech segments …

A novel method to explore the sparse nature of prediction parameters

MD Sebastian, B Varghese… - … Conference on Control …, 2015 - ieeexplore.ieee.org
Compressed sensing is a new paradigm to explore the sparse nature of the signals.
Compressed sensing allows to acquire signals fundamentally below the uniform rate …

Multimodal Representation Learning of Affective Behavior

S Ghosh - 2018 - search.proquest.com
With the ever increasing abundance of multimedia data available on the Internet and crowd-
sourced datasets/repositories, there has been a renewed interest in machine learning …

Time-varying LP cepstral features for improved isolated word speech recognition

F Ang, H Tsutsui, Y Miyanaga - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Isolated word speech recognition for small vocabulary tasks has found great success with
Mel-frequency cepstral coefficients as the speech feature of choice. Voice-controlled …