# Acoustic Event Classification using spectral band selection and Non-Negative Matrix Factorization-based features

> Research article (Expert Systems with Applications, 2015) · cited 23× · AI/ML

**Wikidata**: [openalex:W1875800788](https://www.wikidata.org/wiki/openalex:W1875800788)  
**Source**: https://4ort.xyz/entity/acoustic-event-classification-using-spectral-band-selection-and-non-negative-matrix-factorization-based-features