Siqi Zhang

LubDubDecoder: Bringing Micro-Mechanical Cardiac Monitoring to Hearables

We present LubDubDecoder, a system that enables fine-grained monitoring of micro-cardiac vibrations associated with the opening and closing of heart valves across a range of hearables. Our system transforms the built-in speaker, the only transducer common to all hearables, into an acoustic sensor that captures the coa…