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ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
The problem of transmit beamforming for single-group multicasting is considered, where the objective is to transmit common information to a (large) number of users. The transmitte...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
— We study the inversion of a random field from pointwise measurements collected by a sensor network. We assume that the field has a sparse representation in a known basis. To ...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Recently proposed l1-regularized maximum-likelihood optimization methods for learning sparse Markov networks result into convex problems that can be solved optimally and efficien...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
This paper proposes a method to improve the quality delivered by statistical parametric speech synthesizers. For this, we use a codebook of pitch-synchronous residual frames, so a...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Nonlinear acoustic echo cancellers (NLAEC) are becoming increasingly important in hands-free applications. However, in some situations, an NLAEC is inferior to a linear AEC, espec...