Time-weighted Frequency Domain Audio Representation with GMM Estimator for Anomalous Sound Detection

1 code implementation • 5 May 2023 • Jian Guan, Youde Liu, Qiaoxi Zhu, Tieran Zheng, Jiqing Han, Wenwu Wang

This paper presents Time-Weighted Frequency Domain Representation (TWFR) with the GMM method (TWFR-GMM) for anomalous sound detection.

Anomalous Sound Detection using Audio Representation with Machine ID based Contrastive Learning Pretraining

no code implementations • 7 Apr 2023 • Jian Guan, Feiyang Xiao, Youde Liu, Qiaoxi Zhu, Wenwu Wang

This paper uses contrastive learning to refine audio representations for each machine ID, rather than for each audio sample.

Anomaly Detection Contrastive Learning