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  • 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
  • DR. PFEILER GmbH
    Ziviltechnikergesellschaft 

    Wielandgasse 36
    8010 Graz
    Österreich / Austria

    Tel.: +43 (0) 316  82 18 60
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