# Wearable Sensing of In-Ear Pressure for Heart Rate Monitoring with a Piezoelectric Sensor

> Research article (Sensors, 2015) · cited 104× · AI/ML

**Wikidata**: [openalex:W2119308020](https://www.wikidata.org/wiki/openalex:W2119308020)  
**Source**: https://4ort.xyz/entity/wearable-sensing-of-in-ear-pressure-for-heart-rate-monitoring-with-a-piezoelectric-sensor