# A 270 nW Switched-Capacitor Acoustic Feature Extractor for Always-On Voice Activity Detection

> Research article (IEEE Transactions on Circuits and Systems I Regular Papers, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3112266032](https://www.wikidata.org/wiki/openalex:W3112266032)  
**Source**: https://4ort.xyz/entity/a-270-nw-switched-capacitor-acoustic-feature-extractor-for-always-on-voice-activity-detection