Since the advent of personal computing devices, intelligent personal assistants (IPAs) have
been one of the key technologies that researchers and engineers have focused on, aiming …

The proliferation of physiological sensors opens new opportunities to explore interactions,
conduct experiments and evaluate the user experience with continuous monitoring of bodily …

Emerging evidence suggests that respiratory frequency (fR) is a valid marker of physical
effort. This has stimulated interest in developing devices that allow athletes and exercise …

Subject-aware vocal activity sensing on wearables, which specifically recognizes and
monitors the wearer's distinct vocal activities, is essential in advancing personal health …

Mouth breathing has been linked to a variety of negative health outcomes, including sleep-
related disorders and dental problems. Detecting mouth breathing in the daily environment …

Breathing Inhale/Exhale (IE) ratio is one of the critical breathing biomarkers for pulmonary
patients and healthy individuals. It can indicate the severity of lung obstruction for chronic …

Respiratory rate (RR) monitoring is integral to understanding physical and mental health
and tracking fitness. Existing studies have demonstrated the feasibility of RR monitoring …

In the continuous quest to push the boundaries of mobile healthcare and fitness tracking,
monitoring respiratory biomarkers emerges as a pivotal frontier. In this paper, we present …

Tidal volume (VT) is defined as the volume of inhaled and exhaled air during normal breath,
which is crucial for maintaining respiratory function, such as adequate air exchange in and …

The process of human speech production involves coordinated respiratory action to elicit
acoustic speech signals. Typically, speech is produced when air is forced from the lungs and …