Active volume control in smart phones based on user activity and ambient noise

VD Ambeth Kumar, S Malathi, A Kumar, KC Veluvolu - Sensors, 2020 - mdpi.com
To communicate efficiently with a prospective user, auditory interfaces are employed in
mobile communication devices. Diverse sounds in different volumes are used to alert the …

Calibration of RGB sensor for estimation of real-time correlated color temperature using machine learning regression techniques

A Ghosh, P Satvaya, PK Kundu, G Sarkar - Optik, 2022 - Elsevier
Abstract Correlated Color Temperature (CCT) is an important parameter to determine the
quality of lighting in an indoor space. We have presented here the calibration of RGB sensor …

Efficient external sensors for smartphones through near field communication (NFC)

C Schuss, T Leikanger… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
This paper evaluates the opportunity to utilise external sensors through near field
communication (NFC) for smartphones, both, in terms of energy consumption from the …

Classroom Quality: On the Amount of Ambient Light in Today's Classroom-A Field Study

C Schuss, T Fabritius - 2021 IEEE International Instrumentation …, 2021 - ieeexplore.ieee.org
In this paper, we investigate the given ambient lighting conditions in today's schools. On the
example of Oulu University Teacher Training School, the classroom quality in terms of the …