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Creating crystal-clear acoustics in a massive space is no ordinary task. At Packsound, we specialize in turning such challenges into landmarks of acoustic engineering. One of our most prestigious and technically demanding projects to date has been the auditorium acoustic treatment for BAPS Shri Swaminarayan Mandir, located in Shahibaug, Ahmedabad, Gujarat—a spiritual center that hosts over 40,000 people during large-scale events, discourses, and devotional gatherings.
The Project Scope: Sound Without Boundaries
Auditoriums of this magnitude are rare, and treating a space of such scale acoustically demands advanced planning, precision engineering, and highly customized solutions. The goal was clear: create a balanced, immersive, and intelligible sound environment that supports both speech and devotional music. Whether it’s a spiritual discourse delivered from the stage or a bhajan performed by a choir, the audience—regardless of their seating location—must receive the message clearly, without echo, distortion, or delay.
Acoustic Challenges in Large Spaces
The auditorium posed several inherent acoustic challenges:
- Excessive reverberation due to large reflective surfaces
- Poor speech intelligibility caused by echo and flutter
- Sound delay and uneven distribution over long distances
- Low-frequency buildup during live music and chanting sessions
- Ambient noise interference from the structure and crowd
Without proper treatment, these issues could significantly affect the listener’s experience, reducing engagement and diminishing the spiritual impact of the events.
Packsound's Customized Acoustic Treatment Strategy
The team at Packsound approached the project with a comprehensive design and execution plan, combining acoustic modeling, simulation analysis, and product customization.
- Acoustic Survey & Design:
A full-site acoustic survey was conducted to assess the behavior of sound across the venue. Our engineers analyzed reverberation time (RT60), reflective hotspots, and decay patterns using advanced modeling tools. The data helped define the most effective positions and specifications for acoustic materials. - High-Performance Products Used:
- Acoustic Wall Panels – These were installed along the sides and rear of the auditorium to absorb mid and high frequencies, reducing echo and enhancing clarity.
- Ceiling Baffles and Clouds – Custom-engineered baffles were suspended from the ceiling to combat vertical sound reflections and flutter echo.
- Diffusers – Specially designed acoustic diffusers were used to scatter sound uniformly, eliminating dead zones and improving tonal balance across the entire hall.
- Bass Traps – Targeted low-frequency absorption was achieved with corner-mounted bass traps to control the rumble during musical performances.
All products were custom-colored and textured to blend with the spiritual and architectural aesthetics of the Mandir’s grand auditorium.
The Result: Clear, Balanced, and Powerful Acoustics
After the successful implementation of the treatment plan, the results were immediate and impressive:
- Reverberation Time was reduced to optimal levels, enhancing speech and music clarity
- Speech intelligibility improved drastically, even in the farthest corners of the auditorium
- Uniform sound coverage ensured that all attendees could experience the same clarity and fullness of sound
- Feedback from the client and attendees confirmed an elevated and peaceful listening experience during discourses and performances
Why Auditorium Acoustics by Packsound?
With years of experience in acoustic consulting and manufacturing, Packsound is known for delivering tailored, high-performance solutions across auditoriums, conference halls, studios, and worship spaces. Our products are eco-friendly, durable, and fully customizable, ensuring they meet both acoustic and aesthetic demands.
The successful execution of the BAPS auditorium Project adds to our growing portfolio of landmark acoustic achievements across India.
A Landmark Achievement by Packsound
The completion of this 40,000-capacity auditorium project marks a significant milestone for Packsound. It showcases our expertise in large-scale Auditorium Acoustic treatment and our commitment to delivering high-performance, durable, and visually appealing solutions.
With every project, our goal is simple: to make every word heard, every note felt, and every experience memorable.
