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Conference Paper
Multi-Scale Multi-Band Dilated DenseLSTM for Robust Recognition of Speech with Background Music
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- Authors
- Woon-Haeng Heo, Hyemi Kim, Oh-Wook Kwon
- Issue Date
- 2020-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.1238-1241
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- We propose a multi-scale multi-band dilated time- frequency DenseNet with LSTM for speech enhancement and speech recognition. In the convolutional neural network (CNN)- based architecture, it is important to increase the receptive field effectively in order to sufficiently consider the context information. In our previous study, we designed a dilated dense block that reflects acoustic characteristics by applying dilated convolutions to a densely connected convolutional network (DenseNet) in order to effectively increase the receptive field. In this study, for speech enhancement, we apply the dilated dense blocks to MMDenseLSTM based on a convolutional recurrent neural network (CRNN) which has shown good performance in recent studies using a deep learning architecture. We conduct a speech enhancement and speech recognition experiment using the proposed architecture and several existing deep learning architectures: Gated residual network (GRN), MMDenseLSTM, DilDenseNet. Overall, the proposed architecture shows the best performance compared to other deep learning architectures.