Articles tagged “impact noise”
4 articles covering impact noise in acoustic engineering and building design.
How Does Carpet Affect Room Acoustics?
Carpet absorbs high-frequency sound and reduces impact noise in rooms. Learn how pile height, density, and underlay affect acoustic performance, NRC ratings, and when carpet helps or hinders design.
What is Structure-Borne Sound? When Buildings Conduct Noise
Structure-borne sound travels through building elements as vibration before radiating as airborne noise. Learn transmission mechanisms, measurement methods, and isolation strategies.
Impact Noise Floor Build-Up: ΔLw Improvement Calculation — ISO 717-2
Start with bare 150mm concrete slab (L'nT,w 78 dB). Add resilient mat, screed, and carpet step by step. Calculate ΔLw at each stage per ISO 717-2 with full IIC ratings.
IIC Rating Explained — Why Apartment Residents Still Hear Footsteps | AcousPlan
IIC 50 floors fail because the ASTM E492 tapping machine misses heel-strike energy below 100 Hz. Lab vs field FIIC gap table with 4 failure modes.