论文翻译:2020_Joint NN-Supported Multichannel Reduction of Acoustic Echo, Reverberation and Noise (2)

  回声减少问题定义如下。用M表示通道(麦克风)的数量,t时刻在麦克风处观察到的混合\(\mathbf{d}^{\text {echo }}(t) \in \mathbb{R}^{M \times 1}\)是近端信号\(\mathbf{s}(t) \in \mathbb{R}^{M \times 1}\)和声学回声\(\mathbf{y}(t) \in \mathbb{R}^{M \times 1}\)的和:

\[\mathbf{d}^{\text {echo }}(t)=\mathbf{s}(t)+\mathbf{y}(t)  (1) \]

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