ČSN - Czech national standards

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

Available languages: Czech

Available design: Print design

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)

Available languages: English

Available design: Print design

Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Available languages: Czech

Available design: Print design

Acoustics - Hearing aid fitting management (HAFM)

Available design: Print design

Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of attenuation

Available design: Print design

Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation

Available design: Print design

Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

Available design: Print design

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

Available design: Print design

Acoustics. Hearing protectors. Part 3: Simplified method for the measurement of insertion loss of ear muff type protectors for quality inspection purposes (ISO/TR 4869-3:1989)

Available design: Print design

Acoustics - Stationary audible warning devices used outdoors - Part 1: Field measurements for determination of sound emission quantities

Available languages: Czech

Available design: Print design