45 citations · 83 across the 4 of their papers we have counts for
4 papers
DeltaKWS: A 65nm 36nJ/Decision Bio-inspired Temporal-Sparsity-Aware Digital Keyword Spotting IC with 0.6V Near-Threshold SRAM
Qinyu Chen, Kwantae Kim, Chang Gao +4
This paper introduces DeltaKWS, to the best of our knowledge, the first RNN-enabled fine-grained temporal sparsity-aware KWS IC for voice-controlled devices. The 65 nm prototype…
A 0.5V, 6.2W, 0.059mm Sinusoidal Current Generator IC with 0.088% THD for Bio-Impedance Sensing
Kwantae Kim, Changhyeon Kim, Sungpill Choi +1
This paper presents the first sub-10W, sub-0.1% total harmonic distortion (THD) sinusoidal current generator (CG) integrated circuit (IC) that is capable of 20kHz output for the…
A 23 W Keyword Spotting IC with Ring-Oscillator-Based Time-Domain Feature Extraction
Kwantae Kim, Chang Gao, Rui Graça +4
This article presents the first keyword spotting (KWS) IC which uses a ring-oscillator-based time-domain processing technique for its analog feature extractor (FEx). Its extensive…
Continuous-Time Analog Filters for Audio Edge Intelligence: Review on Circuit Designs
Kwantae Kim, Shih-Chii Liu
Edge audio devices can reduce data bandwidth requirements by pre-processing input speech on the device before transmission to the cloud. As edge devices are required to ensure alwa…