IS EN ISO 140-4:1999 Acoustics - Measurement of sound insulation in buildings and of building elements. Field measurements of airborne sound insulation between rooms (Withdrawn)

Publication Year

1999

Document Status

Withdrawn

Abstract

Applies to sound insulation within a pair of rooms. Determines the steady state 1/3 octave band filtered white noise level difference and the receiving room equivalent absorption area from which the standardised level difference is derived. The results can be used to determine whether building elements have met acoustic specifications, e.g. Building Regulations.

Document History

Superseded by IS EN ISO 16283-1:2014 and IS EN ISO 16283-1:2014.

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