Every active NBA arena ranked on a 100-point loudness index, blending architecture, crowd baseline, and verified peak readings. Sacramento still owns the 126 dBA Guinness record. Includes a per-seat metric, an arena acoustics diagram, and the dB scale that puts 126 in context.
28
May
May
Recommended sound masking dB levels for open offices, private offices, healthcare, hotels, and high-density spaces – plus how to pair masking with STC, CAC, absorption, and speech privacy goals.
27
May
May
Coworking spaces juggle focus work, calls, and collaboration in one open room. Here are 15 specific strategies—from zoning and phone booths to ceiling clouds, sound masking, and behavioral norms—that actually work.
26
May
May
Modern restaurants traded carpet, drapes, and tablecloths for concrete, glass, and open ceilings—and turned dinner into a shouting match. Here’s how design choices, the Lombard effect, and the open-kitchen trend pushed dining rooms past 90 dBA, and what actually quiets them.
26
May
May
What the NC curves mean, target levels by space type – offices, hospitals, concert halls, classrooms, industrial – and how HVAC equipment and duct silencers drive whether a room actually hits its number.
25
May
May
Acoustic panels, diffusers, and bass traps all get sold as ‘sound treatment’—but they solve different problems at different frequencies. Here’s what each one actually does, when to use it, and how to combine them.
24
May
May
How long a room “rings” after sound stops – RT60 targets from 0.2-second recording booths to 3-second cathedrals, the Sabine formula behind them, and treatment strategies for each frequency band and room use.
23
May
May
OITC measures how well exterior walls and windows block outdoor noise – traffic, aircraft, trains. A full reference: typical assembly ratings, recommended targets by site, and why OITC numbers run 5-10 points below STC.
22
May
May
How sound waves move through tissue and bone, not just the ear – what low frequencies do to circulation, the nervous system, and cortisol, and why dose, duration, and vibration exposure matter more than volume alone.
27
Apr
Apr
Inside Cornerstone’s new 8,000 SF sanctuary in Lakewood Ranch — a seamless AcoustiBuilt acoustic-plaster ceiling, ACT field, and a 60-foot integrated diffuser dialed in for both spoken word and live worship RT60 targets.