ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this work we derive a new cepstrum based maximum likelihood fundamental frequency estimator that exploits the information of multiple microphones. The new approach results in a...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, we present two new noise variance estimation methods of OFDMA signals transmitted through an unknown multipath fading channel. We focus on blind estimation as it do...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, we solve the problem of detecting the entries of a sparse finite-alphabet signal from a limited amount of data, for instance obtained by compressive sampling. While...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, we consider social peer-to-peer (P2P) networks, where peers are sharing their resources (i.e., multimedia content and upload bandwidth). In the considered P2P netwo...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In narrowband multiple-input multiple-output (MIMO) communication systems, when the channel state information (CSI) is known perfectly at the transmitter and the receiver, techniq...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper we propose a new set of parameters for audio signal analysis and classification. These parameters are regressions computed on the normalized modulation spectrum of h...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
With the widespread popularity of digital images and the presence of easy-to-use image editing software, content integrity can no longer be taken for granted, and there is a stron...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
Monaural speech segregation in reverberant environments is a very difficult problem. We develop a supervised learning approach by proposing an objective function that directly rel...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
Broadband data-independent beamforming designs aiming at constant beamwidth often lead to superdirective beamformers for low frequencies, if the sensor spacing is small relative t...
ICASSP
2009
IEEE
13 years 8 months ago
2009
IEEE
We consider inference in a general data-driven object-based model of multichannel audio data, assumed generated as a possibly underdetermined convolutive mixture of source signals...