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Data Augmentation and Squeeze-and-Excitation Network on Multiple Dimension for Sound Event Localization and Detection in Real Scenes

2022-06-24 03:31:37
Byeong-Yun Ko, Hyeonuk Nam, Seong-Hu Kim, Deokki Min, Seung-Deok Choi, Yong-Hwa Park
arXiv_SD
     
Abstract

Performance of sound event localization and detection (SELD) in real scenes is limited by small size of SELD dataset, due to difficulty in obtaining sufficient amount of realistic multi-channel audio data recordings with accurate label. We used two main strategies to solve problems arising from the small real SELD dataset. First, we applied various data augmentation methods on all data dimensions: channel, frequency and time. We also propose original data augmentation method named Moderate Mixup in order to simulate situations where noise floor or interfering events exist. Second, we applied Squeeze-and-Excitation block on channel and frequency dimensions to efficiently extract feature characteristics. Result of our trained models on the STARSS22 test dataset achieved the best ER, F1, LE, and LR of 0.53, 49.8%, 16.0deg., and 56.2% respectively.

Abstract (translated)

URL

https://arxiv.org/abs/2206.12059

PDF

https://arxiv.org/pdf/2206.12059.pdf

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