prEN ISO 3744

SLOVENSKI STANDARD
oSIST prEN ISO 3744:2023
01-marec-2023
Akustika - Ugotavljanje ravni zvočnih moči virov hrupa z merjenjem zvočnega
tlaka - Inženirska metoda v pretežno prostem polju nad odbojno ravnino (ISO/DIS
3744:2023)
Acoustics - Determination of sound power levels of noise sources using sound pressure -
Engineering methods for an essentially free field over a reflecting plane (ISO/DIS
3744:2023)
Akustik - Bestimmung der Schallleistungs- und Schallenergiepegel von Geräuschquellen
aus Schalldruckmessungen - Hüllflächenverfahren der Genauigkeitsklasse 2 für ein im
Wesentlichen freies Schallfeld über einer reflektierenden Ebene (ISO/DIS 3744:2023)
Acoustique - Détermination des niveaux de puissance et d'énergie acoustiques émis par
les sources de bruit à partir de la pression acoustique - Méthodes d'expertise pour des
conditions approchant celles du champ libre sur plan réfléchissant (ISO/DIS 3744:2023)
Ta slovenski standard je istoveten z: prEN ISO 3744
ICS:
17.140.01 Akustična merjenja in Acoustic measurements and
blaženje hrupa na splošno noise abatement in general
oSIST prEN ISO 3744:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 3744:2023

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oSIST prEN ISO 3744:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 3744
ISO/TC 43/SC 1 Secretariat: DIN
Voting begins on: Voting terminates on:
2023-01-06 2023-03-31
Acoustics — Determination of sound power levels of noise
sources using sound pressure — Engineering methods for
an essentially free field over a reflecting plane
ICS: 17.140.01
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
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Reference number
NATIONAL REGULATIONS.
ISO/DIS 3744:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
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NOTIFICATION OF ANY RELEVANT PATENT
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PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

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oSIST prEN ISO 3744:2023
ISO/DIS 3744:2023(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 3744
ISO/TC 43/SC 1 Secretariat: DIN
Voting begins on: Voting terminates on:

Acoustics — Determination of sound power levels of noise
sources using sound pressure — Engineering methods for
an essentially free field over a reflecting plane
ICS: 17.140.01
This document is circulated as received from the committee secretariat.
COPYRIGHT PROTECTED DOCUMENT
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NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 3744:2022(E)
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oSIST prEN ISO 3744:2023
ISO/DIS 3744:2022(E)
Contents Page
Foreword .v
Introduction .
...