# Hybrid BBO_PSO and higher order spectral features for emotion and stress recognition from natural speech

> Research article (Applied Soft Computing, 2017) · cited 49× · AI/ML

**Wikidata**: [openalex:W2595557705](https://www.wikidata.org/wiki/openalex:W2595557705)  
**Source**: https://4ort.xyz/entity/hybrid-bbo-pso-and-higher-order-spectral-features-for-emotion-and-stress-recognition-from-natural-speech