Standards ČSN - Czech national standards - Page 117

Acoustic. Determination of sound power levels of noise sources using sound pressure. Survey method using an enveloping measurements surface over a reflecting plane

WITHDRAWN published on 1.10.1996

Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurements surface over a reflecting plane

WITHDRAWN published on 1.3.2010

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms

Standard published on 1.4.2011

WITHDRAWN published on 18.1.1983

WITHDRAWN published on 1.3.1994

WITHDRAWN published on 1.3.1994

Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms

WITHDRAWN published on 1.3.2010

Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms

WITHDRAWN published on 1.7.2000

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

Standard published on 1.9.2012

Akustika - Určování hladin akustického výkonu a hladin akustické energie zdrojů hluku pomocí akustického tlaku - Přesné metody pro bezodrazové a polobezodrazové místnosti.

Change published on 1.9.2017