Justin Chan

schoolCarnegie Mellon Universitybar_chart#7431 Global Rank

Total Papers

HCI Rank

#7431

Research Areas

Years Active

Recent Publications

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…

CHI '26CorrespondingAcoustic Sensing & Audio Processing +1

SonicSieve: Bringing Directional Speech Extraction to Smartphones Using Acoustic Microstructures

Imagine placing your smartphone on a table in a noisy restaurant and clearly capturing the voices of friends seated around you, or recording a lecturer’s voice with clarity in a reverberant auditorium. We introduce SonicSieve, the first intelligent directional speech extraction system for smartphones using a bio-inspi…

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