Akustika a zvuková izolace

Oblast zaměření: Akustika a zvuková izolace
Komise : CEN/TC 126 (Acoustic properties of building products and of buildings)
Původce: CEN
K připomínkám do: 3.09.2019
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This part of ISO 12999 specifies the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354:2003, the practical and weighted sound absorption coefficients according to ISO 11654 and the single number rating according to EN 1793‑1. Furthermore, the use of uncertainties in reporting measured or weighted absorption coefficients is explained.

Oblast zaměření: Akustika a zvuková izolace
Komise : CEN/TC 211 (Acoustics)
Původce: CEN
K připomínkám do: 15.09.2019
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This document specifies the conditions for obtaining reproducible and comparable measurement results of the airborne sound emitted by vessels of all kinds on inland waterways and in ports and harbours, except powered recreational craft as specified in the ISO 14509 series.[2] This document is applicable to sea-going vessels, harbour vessels, dredgers, and all watercraft including non-displacement craft, used or capable of being used as a means of transport on water. There are no limitations to the application of this document with regard to speed and length of vessels.

All noise data obtained in accordance with this document are referred to a reference distance of 25 m.

Oblast zaměření: Akustika a zvuková izolace
Komise : CEN/TC 126 (Acoustic properties of building products and of buildings)
Původce: CEN
K připomínkám do: 24.09.2019
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This document specifies a laboratory measurement method to determine noise radiated from a floor covering on a standard concrete floor when excited by a standard tapping machine.