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Overview EN ISO 11957:2009 (identical to ISO 11957:1996) is a CEN-adopted acoustics standard that specifies methods for the determination of sound insulation performance of sound‑protecting cabins. I…
Overview ISO 11957:1996 - "Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements" specifies methods to measure how effectively sound‑protecting cab…