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ČSN is a protected designation of Czech national technical standards.
Acoustics . Determination of acoustic properties in impedance tubes . Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
Standard published on 1.5.2024
Selected format:
WITHDRAWN published on 24.10.1988
Selected format:Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
WITHDRAWN published on 1.3.2024
Selected format:Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method
WITHDRAWN published on 1.4.2000
Selected format:Acoustics - Determination of airflow resistance - Part 1: Static airflow method
Standard published on 1.8.2020
Selected format:Acoustics - Determination of airflow resistance - Part 2: Alternating airflow method
Standard published on 1.4.2021
Selected format:Acoustics - Materials for acoustical applications - Determination of airflow resistance
WITHDRAWN published on 1.6.1994
Selected format:Acoustics - Determination of airflow resistance - Part 1: Static airflow method
WITHDRAWN published on 1.9.2019
Selected format:Simultaneous interpreting - Interpreters´ working environment - Part 1: Requirements and recommendations for permanent booths
Standard published on 1.7.2024
Selected format:Simultaneous interpreting - Interpreters´ working environment - Part 2: Requirements and recommendations for mobile booths
Standard published on 1.7.2024
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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