Articles tagged “outdoor noise”
2 articles covering outdoor noise in acoustic engineering and building design.
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GUIDES10 min read
OITC vs STC — Which Rating for Outdoor Noise Insulation? | AcousPlan
OITC vs STC explained: why STC underestimates outdoor noise insulation performance, OITC methodology per ASTM E1332, frequency weighting differences, and when to specify each rating.
March 19, 2026
OITCSTC
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TUTORIALS12 min read
Outdoor Noise Propagation Calculation: ISO 9613-2 Step-by-Step Example
Industrial source at 200m: calculate receiver level using ISO 9613-2. Geometrical divergence, atmospheric absorption, ground effect, and barrier attenuation — full octave-band worked example.
March 18, 2026
outdoor noiseISO 9613