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arXiv 2201.09913eess.AScs.SD
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一种新的基于时域注意池的卷积递归声信号增强结构

A Novel Temporal Attentive-Pooling based Convolutional Recurrent Architecture for Acoustic Signal Enhancement

Tassadaq Hussain, Wei-Chien Wang, Mandar Gogate, Kia Dashtipour, Yu Tsao, Xugang Lu, Adeel Ahsan, Amir Hussain

摘要:

在声学信号处理中,目标信号通常携带语义信息,这些语义信息被编码在短期和长期上下文的层次结构中。然而,背景噪声以不均匀的方式扭曲这些结构。现有的深部声信号增强(ASE)结构忽略了这种局部和全局效应。为了解决这个问题,我们建议将一种新的时间注意力池(TAP)机制集成到传统的卷积递归神经网络中,称为TAP-CRNN。该方法考虑了ASE任务的全局和局部注意。具体来说,我们首先利用卷积层来提取声学信号的局部信息,然后使用递归神经网络(RNN)架构来表征时间上下文信息。其次,我们利用一个novelattention机制上下文处理显着地区的噪声信号。建议ASE系统使用基准婴儿哭数据集进行评估,并与几个众所周知的方法进行比较。结果表明,TAPCRNN可以更有效地减少婴儿哭声信号中的噪声成分在看不见的背景噪声在具有挑战性的信号噪声水平。

英文摘要:

In acoustic signal processing, the target signals usually carry semantic information, which is encoded in a hierarchal structure of short and long-term contexts. However, the background noise distorts these structures in a nonuniform way. The existing deep acoustic signal enhancement (ASE) architectures ignore this kind of local and global effect. To address this problem, we propose to integrate a novel temporal attentive-pooling (TAP) mechanism into a conventional convolutional recurrent neural network, termed as TAP-CRNN. The proposed approach considers both global and local attention for ASE tasks. Specifically, we first utilize a convolutional layer to extract local information of the acoustic signals and then a recurrent neural network (RNN) architecture is used to characterize temporal contextual information. Second, we exploit a novelattention mechanism to contextually process salient regions of the noisy signals. The proposed ASE system is evaluated using a benchmark infant cry dataset and compared with several well-known methods. It is shown that the TAPCRNN can more effectively reduce noise components from infant cry signals in unseen background noises at challenging signal-to-noise levels.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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