# Classification of normal/abnormal PCG recordings using a time–frequency approach

> Research article (Analog Integrated Circuits and Signal Processing, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3160714099](https://www.wikidata.org/wiki/openalex:W3160714099)  
**Source**: https://4ort.xyz/entity/classification-of-normal-abnormal-pcg-recordings-using-a-timefrequency-approach