Maschinenbau und Messwesen

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  • Calculation of the auditory sensation roughness

    Standard [CURRENT] 2024-11

    DIN 38455:2024-11

    Calculation of the auditory sensation roughness

    This document specifies the characteristics of a model for calculating roughness values, which largely correspond to the characteristics of perceived roughness. In addition, the dependency of the ...

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  • Acoustics - Statistical distribution of hearing thresholds related to age and gender (ISO 7029:2017 + Amd 1:2024); German version EN ISO 7029:2017 + A1:2024

    Standard [NEW] 2025-07

    DIN EN ISO 7029:2025-07

    Acoustics - Statistical distribution of hearing thresholds related to age and gender (ISO 7029:2017 + Amd 1:2024); German version EN ISO 7029:2017 + A1:2024

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  • Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003); German version EN ISO 7235:2009

    Standard [CURRENT] 2010-01

    DIN EN ISO 7235:2010-01

    Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003); German version EN ISO 7235:2009

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  • Acoustics - Measurements on silencers in situ (ISO 11820:1996); German version EN ISO 11820:1996

    Standard [CURRENT] 1997-04

    DIN EN ISO 11820:1997-04

    Acoustics - Measurements on silencers in situ (ISO 11820:1996); German version EN ISO 11820:1996

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  • Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997

    Standard [CURRENT] 1997-08

    DIN EN ISO 11821:1997-08

    Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997); German version EN ISO 11821:1997

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  • Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements (ISO 11957:1996); German version EN ISO 11957:2009

    Standard [CURRENT] 2010-01

    DIN EN ISO 11957:2010-01

    Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements (ISO 11957:1996); German version EN ISO 11957:2009

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  • Acoustics - Guidelines for noise control by silencers (ISO 14163:1998); German version EN ISO 14163:1998

    Standard [CURRENT] 1999-05

    DIN EN ISO 14163:1999-05

    Acoustics - Guidelines for noise control by silencers (ISO 14163:1998); German version EN ISO 14163:1998

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  • Acoustics - Guidelines for noise control by enclosures and cabins (ISO 15667:2000); German version EN ISO 15667:2000

    Standard [CURRENT] 2001-07

    DIN EN ISO 15667:2001-07

    Acoustics - Guidelines for noise control by enclosures and cabins (ISO 15667:2000); German version EN ISO 15667:2000

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  • Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

    Standard [CURRENT] 2003-08

    ISO 7235:2003-08

    Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

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  • Acoustics - Measurements on silencers in situ

    Standard [CURRENT] 1996-12

    ISO 11820:1996-12

    Acoustics - Measurements on silencers in situ

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