Recent advances in directional statistics

A Pewsey, E García-Portugués - Test, 2021 - Springer
Mainstream statistical methodology is generally applicable to data observed in Euclidean
space. There are, however, numerous contexts of considerable scientific interest in which …

Advances in phase-aware signal processing in speech communication

P Mowlaee, R Saeidi, Y Stylianou - Speech communication, 2016 - Elsevier
During the past three decades, the issue of processing spectral phase has been largely
neglected in speech applications. There is no doubt that the interest of speech processing …

Vocaine the vocoder and applications in speech synthesis

Y Agiomyrgiannakis - 2015 IEEE international conference on …, 2015 - ieeexplore.ieee.org
Vocoders received renewed attention recently as basic components in speech synthesis
applications such as voice transformation, voice conversion and statistical parametric …

Harmonic phase estimation in single-channel speech enhancement using phase decomposition and SNR information

P Mowlaee, J Kulmer - IEEE/ACM Transactions on Audio …, 2015 - ieeexplore.ieee.org
In conventional single-channel speech enhancement, typically the noisy spectral amplitude
is modified while the noisy phase is used to reconstruct the enhanced signal. Several recent …

Fuzzy gaussian mixture models

Z Ju, H Liu - Pattern Recognition, 2012 - Elsevier
In this paper, in order to improve both the performance and the efficiency of the conventional
Gaussian Mixture Models (GMMs), generalized GMMs are firstly introduced by integrating …

A uniform phase representation for the harmonic model in speech synthesis applications

G Degottex, D Erro - EURASIP Journal on Audio, Speech, and Music …, 2014 - Springer
Feature-based vocoders, eg, STRAIGHT, offer a way to manipulate the perceived
characteristics of the speech signal in speech transformation and synthesis. For the …

Separation of moving sound sources using multichannel NMF and acoustic tracking

J Nikunen, A Diment, T Virtanen - IEEE/ACM Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we propose a method for separation of moving sound sources. The method is
based on first tracking the sources and then estimation of source spectrograms using …

Phase estimation in single-channel speech enhancement: Limits-potential

P Mowlaee, J Kulmer - IEEE/ACM Transactions on Audio …, 2015 - ieeexplore.ieee.org
In this paper, we present an overview on the previous and recent methods proposed to
estimate a clean spectral phase from a noisy observation in the context of single-channel …

Phase estimation in single channel speech enhancement using phase decomposition

J Kulmer, P Mowlaee - IEEE signal processing letters, 2014 - ieeexplore.ieee.org
Conventional speech enhancement methods typically utilize the noisy phase spectrum for
signal reconstruction. This letter presents a novel method to estimate the clean speech …

[PDF][PDF] Interspeech 2014 special session: Phase importance in speech processing applications

P Mowlaee, R Saeidi, Y Stylanou - Proc. Interspeech, 2014 - Citeseer
In many speech processing applications, the spectral amplitude is the dominant information
while the use of phase spectrum is not so widely spread. In this paper, we present an …