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This paper addresses the problem of separation of moving sound sources. We propose a probabilistic framework based on the complex Gaussian model combined with non-negative matrix factorization. The properties associated with moving sources are modeled using time-varying mixing filters described by a stochastic temporal process. We present a variational expectation-maximization (VEM) algorithm that...
This paper proposes a distributed multiple constraints generalized sidelobe canceler (GSC) for speech enhancement in an -node fully connected wireless acoustic sensor network (WASN) comprising microphones. Our algorithm is designed to operate in reverberant environments with constrained speakers (including both desired and competing speakers). Rather than broadcasting microphone...
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