# Heart-lung sound separation by nonnegative matrix factorization and deep learning

> Research article (Biomedical Signal Processing and Control, 2022) · cited 21× · AI/ML

**Wikidata**: [openalex:W4297121345](https://www.wikidata.org/wiki/openalex:W4297121345)  
**Source**: https://4ort.xyz/entity/heart-lung-sound-separation-by-nonnegative-matrix-factorization-and-deep-learning