Future acoustic design will rely on sustainable materials, intelligent systems, and human-centric approaches to create adaptive and high-performance environments.
Prof. (Dr.) Mahavir Singh
Acoustic quality is a critical parameter in commercial buildings, influencing communication, productivity, and well-being. With the rise of open-plan offices and complex infrastructure, noise pollution has become a significant concern. Studies indicate that poor acoustics can reduce productivity by up to 66% and increase stress levels, while optimized acoustic environments improve productivity by 20–30%, reduce fatigue, and enhance cognitive performance. Hence, acoustic comfort is now a key parameter in building design standards.Today, advanced materials and modern technologies are improving acoustic performance, supported by analytical insights and engineering principles. Modern materials include mineral wool, PET panels, nanofiber composites, and micro-perforated panels (MPP). These materials exhibit high NRC values and sustainable materials such as recycled PET provide both environmental and acoustic benefits.
Technologies such as Active Noise Control (ANC), smart acoustic sensors, and AI-based optimization systems dynamically control sound environments. ANC works by generating anti-phase signals to cancel unwanted noise. Acoustic design now integrates absorbers, diffusers, and hybrid panels into architectural aesthetics. Proper zoning ensures balanced sound distribution and improved speech clarity.
The author is President, Acoustical Society of India (ASI), Vice President, Ultrasonics Society of India (USI), Formerly Chief Scientist, CSIR-NPL, and Principal Director, K-IIT College of Engineering, Gurugram.
