Name: ANSI S12.55:2012/AMD 1:2021(R2026) - Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Precision methods for anechoic rooms and hemi-anechoic rooms Amendment 1
Brand: Acoustical Society of America

Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Precision methods for anechoic rooms and hemi-anechoic rooms Amendment 1

Amendment of

ANSI S12.55 : 2012

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Hardcopy , PDF

Language(s)

English

Published date

31-08-2026

Publisher

Acoustical Society of America

€61.92

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The performance of an anechoic or hemi-anechoic room is tested by comparing the spatial decrease of
sound pressure emitted from a test sound source with the decrease of sound pressure that would occur in an ideal free sound field.

Committee	S12
DocumentType	Amendment
Pages	16
PublisherName	Acoustical Society of America
Status	Current

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ANSI S12.55:2012/AMD 1:2021(R2026)

Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Precision methods for anechoic rooms and hemi-anechoic rooms Amendment 1

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