# Pitch-robust acoustic feature using single frequency filtering for children’s KWS

> Research article (Pattern Recognition Letters, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3186869527](https://www.wikidata.org/wiki/openalex:W3186869527)  
**Source**: https://4ort.xyz/entity/pitch-robust-acoustic-feature-using-single-frequency-filtering-for-childrens-kws