“Ambient Volume Controller–Exploiting Proximity Noise to Mitigate Hearing Impairments and Assist Mobile Phone Users ”. Sindh University Research Journal - SURJ (Science Series) 48, no. 2 (June 13, 2016). Accessed November 5, 2026. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/4914.