Kim, Kwantae (author), Gao, C. (author), Graca, Rui (author), Kiselev, Ilya (author), Yoo, Hoi Jun (author), Delbruck, Tobi (author), Liu, Shih Chii (author) This article presents the first keyword spotting (KWS) IC that uses a ring-oscillator-based time-domain processing technique for its analog feature extractor (FEx). Its extensive usage of time-encoding schemes allows the analog audio signal to be processed in a fully time-domain manner except for the voltage-to-time conversion stage of the...
journal article 2022
