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ICASSP
2007
IEEE
14 years 2 months ago
2007
IEEE
One of the main dif culties in echo cancellation is the fact that the learning rate needs to vary according to conditions such as double-talk and echo path change. Several methods...
DCC
2007
IEEE
14 years 7 months ago
2007
IEEE
The H.264/ACV standard provides significant improvements in performance over earlier video coding standards at the cost of increased complexity. Our challenge is to determine H.26...
ICASSP
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we propose a novel adaptive beamforming algorithm with enhanced noise suppression capability. The proposed algorithm incorporates the sound-source presence probabil...
ISCAS
2007
IEEE
14 years 2 months ago
2007
IEEE
— This paper presents a method to reduce the effects of substrate noise and nonlinear amplifier gain on sigma-delta (Σ∆) modulators through the use of blue-noise modulation. I...
SIPS
2007
IEEE
14 years 2 months ago
2007
IEEE
Digital predistortion is a technique used to reduce the signal dynamic range in a multichannel system in order to improve power amplifier (PA) efficiency. These techniques have be...