Sciweavers

1152 search results - page 132 / 231
» Improving noise
Sort
View
TON
2010
87views more  TON 2010»
15 years 1 months ago
Measuring Transmission Opportunities in 802.11 Links
Abstract-- We propose a powerful MAC/PHY cross-layer approach to measuring 802.11 transmission opportunities in WLAN networks on a per-link basis. Our estimator can operate at a si...
Domenico Giustiniano, David Malone, Douglas J. Lei...
TSP
2010
15 years 1 months ago
On entropy rate for the complex domain and its application to i.i.d. sampling
We derive the entropy rate formula for a complex Gaussian random process by using a widely linear model. The resulting expression is general and applicable to both circular and non...
Wei Xiong, Hualiang Li, Tülay Adali, Yi-Ou Li...
ICASSP
2011
IEEE
14 years 10 months ago
Model-based speech enhancement using SNR dependent MMSE estimation
This contribution presents a modified Kalman filter approach for single channel speech enhancement which is operating in the frequency domain. In the first step, temporal corre...
Thomas Esch, Peter Vary
ICASSP
2011
IEEE
14 years 10 months ago
Spectral subtraction on real and imaginary modulation spectra
In this paper, we propose a novel phase preserving spectral subtraction method for enhancing speech in noise. Instead of the conventional approach of carrying out subtraction on t...
Yi Zhang, Yunxin Zhao
ICASSP
2011
IEEE
14 years 10 months ago
Audio segmentation of broadcast news: A hierarchical system with feature selection for the Albayzin-2010 evaluation
In this paper, we present an audio segmentation system for broadcast news, and its results in the Albayzín-2010 evaluation. First of all, the Albayzín-2010 evaluation setup, dev...
Taras Butko, Climent Nadeu