Trausti Kristjansson — accepted AI-conference papers

2021

Asynchronous Acoustic Echo Cancellation Over Wireless Channels

Robert Ayrapetian, Philip Hilmes, Mohamed Mansour, Trausti Kristjansson, Carlo Murgia

ICASSP 2021accepted

We introduce a novel acoustic echo cancellation framework for systems where the loudspeaker and the microphone array are not synchronized. We consider the problem in the most general form where the loss of synchronization is time-varying. The proposed system is linear and it utilizes microphone arra…

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2018

Neural Network Based Time-Frequency Masking and Steering Vector Estimation for Two-Channel Mvdr Beamforming

Yuzhou Liu, Anshuman Ganguly, Krishna Kamath, Trausti Kristjansson

ICASSP 2018accepted

We present a neural network based approach to two-channel beamforming. First, single- and cross-channel spectral features are extracted to form a feature map for each utterance. A large neural network that is the concatenation of a convolution neural network (CNN), long short-term memory recurrent n…

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