# An Earbud‐Based Photoplethysmography and its Application

> Research article (Electronics and Communications in Japan, 2017) · cited 10× · AI/ML

**Wikidata**: [openalex:W2768457267](https://www.wikidata.org/wiki/openalex:W2768457267)  
**Source**: https://4ort.xyz/entity/an-earbudbased-photoplethysmography-and-its-application