- Measurements, documentation and monitoring
 - Sound level of technical plants
 - Environmental noise
 - Vibrations
 - Noise level reduction
 - Reverberation time T, reverberation time T30
 - Sound absorption coefficient of surfaces
 - Sound power
 - Base level
 - Rating level
 - A-weighted sound pressure level LA
 - A-weighted energy-equivalent continuous sound pressure level LA,eq
 - Energy-equivalent continuous sound pressure level
 - Peak sound pressure level
 - Traffic noise (road traffic, air traffic, rail traffic)
 - Weighted standard sound level difference (partition elements)
 - Airborne sound-insulation index R'w (exterior- /partition elements)
 - Weighted standard impact sound level
 - Rating level
 
                                                                    
                                                                    
                
                
                
                
                
                




