ISO 140-4:1998

Standard
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Norwegian title: Acoustics — Measurement of sound insulation in buildings and of building elements — Part 4: Field measurements of airborne sound insulation between rooms
English title: Acoustics — Measurement of sound insulation in buildings and of building elements — Part 4: Field measurements of airborne sound insulation between rooms
Item type: Standard
Language: Engelsk
Edition: 2 (1998-08-20)
Supersedes: ISO 140-4:1978 Alert Withdrawn
Superseded by: ISO 16283-1:2014 Check Published
Number of pages: 24
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Scope: <p>This part of <std std-id="iso:std:iso:140:en" type="undated"><std-ref>ISO 140</std-ref></std> specifies field methods for measuring the airborne sound insulation properties of interior walls, floors and doors between two rooms under diffuse sound field conditions in both rooms, and for determining the protection afforded to the occupants of the building.</p><p>The methods give values for airborne sound insulation which are frequency dependent. They can be converted into a single number, characterizing the acoustic performance, by application of <std std-id="iso:std:iso:717:-1:en" type="undated"><std-ref>ISO 717-1</std-ref></std>.</p><p>The results obtained can be used to compare sound insulation between rooms and to compare actual sound insulation with specified requirements.</p><non-normative-note><label>NOTE 1</label><p>Laboratory measurements of airborne sound insulation of building elements are dealt with in <std std-id="iso:std:iso:140:-3:en" type="undated"><std-ref>ISO 140-3</std-ref></std>.</p></non-normative-note><non-normative-note><label>NOTE 2</label><p>Field measurements of airborne sound insulation of façade elements and façades are dealt with in <std std-id="iso:std:iso:140:-5:en" type="undated"><std-ref>ISO 140-5</std-ref></std>.</p></non-normative-note>
Committee: SN/K 001
Adopted: 1998-08-20
Withdrawn: 2014-02-06
ICS: 91.120.20 - Akustikk i bygninger. Lydisolering.