Muhammad Tayyib received his bachelor degree in Electronics Engineering from the International Islamic University Islamabad, Pakistan, in 2017, and is now pursuing a PhD in Electrical Engineering. He has worked as a research assistant at the International Islamic University Islamabad (2017-2021) and as a junior researcher at the Kaunas University of Technology (2022-2023). His research topics mainly include resonant ultrasound spectroscopy, air-coupled ultrasound, and spectrum analysis and optimization.

Linas Svilainis acquired a PhD degree from the Kaunas University of Technology (Lithuania) in 1996. Since 2009, he has been a full-time professor at the Department of Electronics Engineering, Kaunas University of Technology, Lithuania. Currently, he is the principal investigator of the Signal Technologies group, Kaunas University of Technology, Lithuania. He has worked in the area of ultrasonics for more than 30 years and has authored three books, more than 150 articles and holds two patents. He is an Associate Editor of the IEEE Transactions on Instrumentation and Measurement journal. His current areas of research are the design and optimization of ultrasound electronics; ultrasonic signal processing; time delay (time-of-flight, ToF) estimation; spread-spectrum signals; air-coupled ultrasound; large-scale LED video displays; electromagnetic compatibility; and EMI protection of electronic systems.