@inproceedings{2021a, author = "D. Wang and S. J. Kim and M. Yang and A. A. Lazar and M. Seok", title = "A Background-Noise- and Process-Variation-Tolerant 109-nW Acoustic Feature Extractor based on Spike-Domain Divisive Energy Normalization for an Always-on Keyword Spotting Device", year = 2021, publisher = "2021 IEEE International Solid-State Circuits Conference (ISSCC)", pages = "160-162", month = "Feb" }