# An Acoustic Signal Processing Chip With 142-nW Voice Activity Detection Using Mixer-Based Sequential Frequency Scanning and Neural Network Classification

> Research article (IEEE Journal of Solid-State Circuits, 2019) · cited 51× · AI/ML

**Wikidata**: [openalex:W2973127906](https://www.wikidata.org/wiki/openalex:W2973127906)  
**Source**: https://4ort.xyz/entity/an-acoustic-signal-processing-chip-with-142-nw-voice-activity-detection-using-mixer-based-sequential-frequency-scanning-