Sound Insulation

room acoustics, calculation of reverberation times
protection against airborne and footfall sound transmission from other´s living and working areas, DIN 4109, solid construction, wood and other skeleton building methods
influence of flanking construction elements
protection against external noise, resulting sound reduction indices
sound reduction indices from measured values in third or octave bands according to DIN EN ISO 717-1
airborne sound insulation between areas, DIN EN 12354-1, simplified models, room sketches, input values from cross section analyses, joint damming measures, building sound reduction indices
Goesele procedure for timber beam floors
requirements according to DIN 4109, sound control stages according to VDI recommendation 4100
calculation of noise level ranges according to DIN 18005, road and train services, parking lots, navigation, line and area sound sources, partial sound sources
determination of building sound reduction indices according to EN ISO 717-1 (diagram)
wall development with absorption coefficients for the determination of the reverberation time (diagram)
standard footfall sound level from periodical measured values, with diagram
footfall sound protection according to DIN EN 12354-2