This article is about new developments in ENF at the A*STAR Institute for Infocomm Research (I2R), in collaboration with the Singapore Police. I find it interesting to see new developments in ENF from other countries while others claim the “Golden Age” has already come and gone. Please find the link below

https://phys.org/news/2018-02-power-grid-fluctuations-hidden-audio.html#jCp