DIN EN ISO 26101-2:2025-12 - Tienda AENOR

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Fecha edición:	2025-12-01 En Vigor
Idiomas disponibles:	Inglés, Alemán
Resumen:	This document specifies methods for qualifying an environment that approximates to an acoustic free field near one or more reflecting planes. The goal of the qualification is to determine the environmental correction K<(Index)2>, which is used to correct for reflected sound when determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in such an environment. In practice, the K<(Index)2> value determined will be a function of both the reflected sound from the test environment and the shape and size of the measurement surface used for the K<(Index)2> determination. For the purposes of this document and the documents that refer to it, the differences between K<(Index)2> values determined with different measurement surfaces are assumed to be included in the stated measurement uncertainty for the test method.
Keywords:	Acoustic\|Acoustic engineering\|Acoustic signals\|Acoustic testing\|Acoustics\|Definitions\|Environment\|Environmental condition\|Free fields\|Mathematical calculations\|Measurement\|Measuring environment\|Measuring techniques\|Performance tests\|Reverberation time\|Sound\|Sound absorption coefficient\|Specification (approval)\|Testing
ICS:	17.140.01 - Medición acústica y atenuación del ruido en general
CTN:
Equivalencia Internacional	Idéntica EN ISO 26101-2:2024 Idéntica ISO 26101-2:2024
Reemplazo Normas	Reemplaza a DIN EN ISO 26101-2:2023-02

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