# Novel feature representation using single frequency filtering and nonlinear energy operator for speech emotion recognition

> Research article (Digital Signal Processing, 2021) · cited 33× · AI/ML

**Wikidata**: [openalex:W3210714942](https://www.wikidata.org/wiki/openalex:W3210714942)  
**Source**: https://4ort.xyz/entity/novel-feature-representation-using-single-frequency-filtering-and-nonlinear-energy-operator-for-speech-emotion-recogniti