A 5.2 μW, 2-to-8-Channel Scalable, Speaker-Tracking Microphone Array Featuring a CNN-Defined Analog Front-End. - Shuliang Pan; Wei-Han Yu; Fei Tan; Jixuan Li; Ka-Fai Un; Rui Paulo Martins; Pui-In Mak (IEEE J. Solid State Circuits, 2026)