Industrial machinery operating conditions

Please note that datasets, machine-learning models, weights, topologies, research papers and other content, including open source software, (collectively referred to as Content) provided and/or suggested by Peltarion for use in the Platform and otherwise, may be subject to separate third party terms of use or license terms. You are solely responsible for complying with the applicable terms. Peltarion makes no representations or warranties about Content. You expressly relieve us from any and all liability, loss or risk arising (directly or indirectly) from Your use of any third party content.

This dataset contains spectrograms made from audio recordings of industrial solenoid valves. The audio recordings are published by Hitachi and the original data also feature several other types of machines. Each spectrogram is labelled as operating under normal or abnormal conditions.

This dataset is used in the tutorial Audio analysis for industrial maintenance.


  • Harsh Purohit, Ryo Tanabe, Kenji Ichige, Takashi Endo, YukiNikaido, KaoriSuefusa abd Yohei Kawaguchi. (2019). MIMII Dataset: Sound Dataset for Malfunctioning Industrial Machine Investigation and Inspection (Version public 1.0) [Data set]. Zenodo.


All images in this archive are licensed under the Creative Commons Attribution Share Alike 4.0 International License, available at:

Was this page helpful?
Yes No