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- W4385232502 abstract "Minimum Variance Distortionless Response (MVDR) has many applications in the microphone array processing approach due to its advantages of suppressing background noise, interference, or third-party speaker. However, in real-life recording situations, the performance of the MVDR beamformer is often degraded by microphone mismatches, different microphone sensitivities, or errors in microphone distribution. Therefore, in this paper, the authors suggested a new approach, which uses an additive matrix for modifying the covariance matrix of observed microphone array data. The illustrated experiments were evaluated in a living room with a dual-microphone system (DMA2) and a stand speaker in the presence of noise. The theoretical results are further confirmed in terms of the signal-to-noise ratio (SNR) and the speech intelligibility of the output signal. The proposed method can be integrated into systems with multiple microphones and in annoying complex environments." @default.
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- W4385232502 date "2023-01-01" @default.
- W4385232502 modified "2023-10-16" @default.
- W4385232502 title "A New Approach for Enhancing MVDR Beamformer’s Performance" @default.
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- W4385232502 doi "https://doi.org/10.1007/978-3-031-36886-8_27" @default.
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