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ICASSP
2011
IEEE
13 years 8 days ago
Discriminatively trained Probabilistic Linear Discriminant Analysis for speaker verification
Recently, i-vector extraction and Probabilistic Linear Discriminant Analysis (PLDA) have proven to provide state-of-the-art speaker verification performance. In this paper, the s...
Lukas Burget, Oldrich Plchot, Sandro Cumani, Ondre...
ICASSP
2011
IEEE
13 years 8 days ago
Enriching Mandarin speech recognition by incorporating a hierarchical prosody model
This paper presents a new probabilistic framework of Mandarin speech recognition by incorporating a sophisticated hierarchical prosody model into the conventional HMM-based system...
Jyh-Her Yang, Ming-Chieh Liu, Hao-Hsiang Chang, Ch...
ICASSP
2011
IEEE
13 years 8 days ago
BEP walls for collaborative spectrum sensing
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
Sachin Chaudhari, Jarmo Lundén, Visa Koivun...
ICASSP
2011
IEEE
13 years 8 days ago
An evaluation of alaryngeal speech enhancement methods based on voice conversion techniques
In this study, we evaluate our proposed methods for enhancing alaryngeal speech based on statistical voice conversion techniques. Voice conversion based on a Gaussian mixture mode...
Hironori Doi, Keigo Nakamura, Tomoki Toda, Hiroshi...
ICASSP
2011
IEEE
13 years 8 days ago
Effective background data selection in SVM speaker recognition for unseen test environment: More is not always better
This study focuses on determining a procedure to select effective negative examples for development of improved Support Vector Machine (SVM) based speaker recognition. Selection o...
Jun-Won Suh, Yun Lei, Wooil Kim, John H. L. Hansen
ICASSP
2011
IEEE
13 years 8 days ago
The Bayesian inference of phase
Bayesian recursive inference of phase in additive Gaussian noise environments is studied. A tractable conjugate system is established using a von Mises distribution. Its shaping p...
Anthony Quinn, Jean-Pierre Barbot, Pascal Larzabal
ICASSP
2011
IEEE
13 years 8 days ago
Weber's law-based side-informed data hiding
Pedro Comesaña, Fernando Pérez-Gonz&...
ICASSP
2011
IEEE
13 years 8 days ago
A data-driven residual gain approach for two-stage speech enhancement
In this paper, we propose a novel speech enhancement algorithm based on data-driven residual gain estimation. The system consists of two stages. A noisy input signal is processed ...
Yu Gwang Jin, Chul Min Lee, Kiho Cho, Nam Soo Kim
ICASSP
2011
IEEE
13 years 8 days ago
Time-frequency segmentation of bird song in noisy acoustic environments
Recent work in machine learning considers the problem of identifying bird species from an audio recording. Most methods require segmentation to isolate each syllable of bird call ...
Lawrence Neal, Forrest Briggs, Raviv Raich, Xiaoli...
ICASSP
2011
IEEE
13 years 8 days ago
Detection of targets embedded in multipath clutter with Time Reversal
—Detection of targets in complex environments is of importance in both radar and sonar applications. Recent work has shown that the use of Time Reversal (TR) techniques improves ...
Nicholas O'Donoughue, Joel Harley, José M. ...