Advertise on podcast: The Science of Sound

What role does sound play on the modern battlefield? In Episode 3 of The Science of Sound, GRAS expert Ole Poul Theilgaard takes us inside the world of defense acoustics — where precise acoustic measurements can make a critical difference. From detecting and locating sound sources to developing and testing next-generation defense technologies, discover why acoustics matters more than ever.

What does it take to measure sound in some of the most demanding aerospace environments? In this episode of The Science of Sound, host Nils Westerlund is joined by Lars Winberg, Business Development Manager at GRAS Acoustics, to explore the challenges of aerospace acoustics. From wind tunnels and aircraft testing to rocket launches and -SPL measurements, Lars explains why accurate acoustic data is essential for developing safer, quieter, and more efficient aerospace systems. The conversation also covers GRAS' approach to solving complex measurement challenges, emerging industry trends, and some of the most fascinating aerospace applications Lars has encountered throughout his career.

In this episode of The Science of Sound, host Nils Westerlund welcomes Santiago Rayes, Product Manager at GRAS Sound & Vibration, to the studio for an insightful discussion on the major trends transforming automotive acoustics and test & measurement. As vehicles become quieter, more connected, and increasingly software-defined, the role of acoustics has never been more important. Santiago shares his perspective on the megatrends driving change across the automotive industry—from electrification and immersive in-cabin audio experiences to active noise control, speech communication, and the growing demand for standardized and repeatable acoustic measurements. Drawing on his extensive experience in acoustic test and measurement, Santiago explains how automotive engineers are adapting to new challenges in vehicle NVH, audio system tuning, and cabin acoustics, and how emerging measurement methodologies and technologies are helping the industry deliver better sound experiences for drivers and passengers alike. The conversation also explores the growing importance of realistic acoustic testing using advanced measurement solutions such as the GRAS AutoKEMAR™. As vehicle cabins evolve into living and working spaces, manufacturers need highly accurate simulations of the human hearing experience to evaluate speech intelligibility, audio quality, active noise control, and overall passenger comfort. Santiago shares how technologies like AutoKEMAR are helping engineers address these challenges and meet the demands of next-generation mobility. Join us as we explore how the future of mobility is reshaping the science of sound—and what these developments mean for automotive testing and acoustic innovation.