A Survey of Earable Technology: Trends, Tools, and the Road Ahead

Changshuo Hu; Qiang Yang; Yang Liu; Tobias Röddiger; Kayla-Jade Butkow; Mathias Ciliberto; Adam Luke Pullin; Jake Stuchbury-Wass; Mahbub Hassan; Cecilia Mascolo; Dong Ma

arXiv · 2506.05720

A Survey of Earable Technology: Trends, Tools, and the Road Ahead

Changshuo Hu·Qiang Yang·Yang Liu·Tobias Röddiger·Kayla-Jade Butkow·Mathias Ciliberto·Adam Luke Pullin·Jake Stuchbury-Wass·Mahbub Hassan·Cecilia Mascolo·Dong Ma

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Abstract

Earable devices, wearables positioned in or around the ear, are undergoing a rapid transformation from audio-centric accessories into multifunctional systems for interaction, contextual awareness, and health monitoring. This evolution is driven by commercial trends emphasizing sensor integration and by a surge of academic interest exploring novel sensing capabilities. Building on the foundation established by earlier surveys, this work presents a timely and comprehensive review of earable research published since 2022. We analyze over one hundred recent studies to characterize this shifting research landscape, identify emerging applications and sensing modalities, and assess progress relative to prior efforts. In doing so, we address three core questions: how has earable research evolved in recent years, what enabling resources are now available, and what opportunities remain for future exploration. Through this survey, we aim to provide both a retrospective and forward-looking view of earable technology as a rapidly expanding frontier in ubiquitous computing. In particular, this review reveals that over the past three years, researchers have discovered a variety of novel sensing principles, developed many new earable sensing applications, enhanced the accuracy of existing sensing tasks, and created substantial new resources to advance research in the field. Based on this, we further discuss open challenges and propose future directions for the next phase of earable research.

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Changshuo Hu, Qiang Yang, Yang Liu, Tobias Röddiger, Kayla-Jade Butkow, Mathias Ciliberto, Adam Luke Pullin, Jake Stuchbury-Wass, Mahbub Hassan, Cecilia Mascolo, Dong Ma. 2025-06-13. A Survey of Earable Technology: Trends, Tools, and the Road Ahead. https://arxiv.org/abs/2506.05720

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