A 9.6 nW, 8-Bit, 100 S/s Envelope-to-Digital Converter for Respiratory Monitoring. - Erjia Shi; Daniel de Godoy; Peter R. Kinget; Kong-Pang Pun (IEEE Trans. Circuits Syst. II Express Briefs, 2020)

A 270 nW Switched-Capacitor Acoustic Feature Extractor for Always-On Voice Activity Detection. - Erjia Shi; Xian Tang; Kong-Pang Pun (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)