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Auditorium · Chennai · 2024
College auditorium, Chennai
1,200-seat auditorium with speech-intelligibility across every row.
The problem
Multi-purpose college auditorium hosting lectures, drama, and music events. Long reverberation blurred speech; parallel side walls created focused echoes.
The solution
Gripper-fabric wall system on both side walls with 100 mm poly wadding infill. Wood wool ceiling baffles scaled to the room's cubic volume. Rear-wall diffuser panels to preserve envelopment for music events.
Results
What actually changed.
Speech RT60
1.0 s
Music RT60
1.8 s
Intelligibility (STI)
0.68 (Good)
Coverage
60% of walls
“Every seat now gets clear speech and lively music. Both halves of the brief, delivered.”
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