Open Access

Comparing the Performance of a Novel BCI-Based Headset with a Conventional Hearing Aid While Watching TV for the Nanoporous Membrane Sensitivity

D. K. Nagarathi, kaavya_naga@yahoo.com
Department of Computer Science and Engineering, Annamalai University, Annamalainagar, Chennai, TN, India
V. Ramya, Ramyshri@yahoo.com
Department of Computer Science and Engineering, Annamalai University, Annamalainagar, Chennai, TN, India
Latha Parthiban lathaparthiban@yahoo.com
Department of Computer Science, Community College, Pondicherry University, Lawspet, Pondicherry, India



J. Environ. Nanotechnol., Volume 13, No 2 (July 2024) pp. 436-443

https://doi.org/10.13074/jent.06.242579

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Abstract

Increasing levels of environmental and occupational noise in industrial environments necessitate the development of sensitive and adaptive nanoscale sensing technologies for real-time acoustic monitoring. The present study investigates the use of a nanoporous membrane-based acoustic nanosensor for compensating sensitivity losses under variable noise conditions, with an intelligent brain-computer interface (BCI) incorporated as an adaptive signal-control mechanism. Nanostructured sensing substrates within the 50–70 nm range were evaluated using nanomechanical characterization and controlled acoustic signal measurements. Twenty sensor components were assessed under simulated workplace acoustic conditions using both a con-ventional nanostructured acoustic substrate and a BCI-assisted nanosensor configuration. The BCI-integrated system em-ployed a quantum-dot-based signal amplification module to improve the reception and processing of weak acoustic signals under background-noise conditions. Sensor responses were recorded through individual diagnostic measurements and quan-titatively compared between the two configurations. The BCI-assisted nanostructured sensor exhibited significantly im-proved signal-reception performance compared with the conventional nanosensor configuration ((p < 0.001)). An overall enhancement of 18.25% was observed in the measured signal perception and decoding performance following integration of the adaptive nanoscale sensing and signal-processing system. The findings demonstrate the potential of combining engi-neered nanostructured membranes with intelligent signal-processing technologies to improve the sensitivity and reliability of nanoscale acoustic sensors operating under complex environmental noise conditions. Such adaptive nanomaterial-based sensing platforms may have potential applications in environmental acoustic monitoring, occupational exposure assessment, and real-time detection of acoustic disturbances in industrial environments. Further investigations involving different nano-material compositions, membrane morphologies, long-term stability, and environmentally relevant operating conditions are required to establish the scalability and practical applicability of the proposed nanosensor system.

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