Acoustic design of open-plan offices (NT TR 619)
Report #: NT TR 619 Approved: July 2010 Author(s): Erling Nilsson, Björn Hellström Size: 1.39 MB Abstract The acoustic conditions in open-plan offices were investigated Read more…
Tag: sound
Determination in the field of structure-borne sound source strength of building service equipment – A pilot study with inter-laboratory comparisons and a proposal for a Nordtest method (NT TR 616)
Report #: NT TR 616 Approved: February 2009 Author(s): Krister Larsson, Christian Simmons Size: 2.46 MB Abstract A pilot project with an inter-laboratory comparison (round Read more…
Reproducibility of measurements with ISO 140 and calculations with EN 12354 (NT TR 603)
Report #: NT TR 603 Approved: May 2005 Author(s): Christian Simmons Size: 3.64 MB Abstract Uncertainties of measurement and prediction of the sound insulation in Read more…
Measurement of drum sound (NT TR 573)
Report #: NT TR 573 Approved: March 2005 Author(s): Ann-Charlotte Johansson, Erling Nilsson Size: 344.79 KB Abstract The interest in the effect of background noise Read more…
Road traffic – Vehicle noise emission (NT TR 557)
Report #: NT TR 557 Approved: November 2004 Author(s): Gunnar Taraldsen Size: 2.14 MB Abstract A method for the determination of source parameters for estimation Read more…
Measurement of Drum Noise – A Pilot Project (NT TR 556)
Report #: NT TR 556 Approved: April 2004 Author(s): Dan Hoffmeyer Size: 3.68 MB Abstract Drum noise from floors and floorings has been a building Read more…
A simplified method to determine impact sound improvement on light-weight floors (NT TR 488)
Report #: NT TR 488 Approved: March 2002 Author(s): Mark Kartous, Hans G. Jonasson Size: 1.19 MB Abstract It is well known that the impact Read more…
Laboratory measurement of sound insulation in the frequency range 50 Hz to 160 Hz – A Nordic intercomparison (NT TR 489)
Report #: NT TR 489 Author(s): Henrik S. Olesen Size: 710.23 KB Abstract Five Nordic laboratories have carried through an intercomparison concerning laboratory measurements of Read more…
Laboratory measurement of sound insulation in the frequency range 50 Hz to 160 Hz – A Nordic intercomparison (NT TR 489 – edition 1)
Report #: NT TR 489 – Edition 1 Approved: March 2002 Author(s): Henrik S. Olesen Size: 701.90 KB Abstract Five Nordic laboratories have carried through Read more…
Machines: Determination of emission sound pressure levels using sound intensity (NT ACOU 097)
Report #: NT ACOU 097 Approved: May 1997 Size: 38.85 KB Abstract This NORDTEST method specifies how to determine theemission sound pressure level at the Read more…
Floor coverings, concrete or timber joist floors: Rating of impactsound improvement (NT ACOU 034)
Report #: NT ACOU 034 Approved: February 1991 Size: 52.21 KB Abstract This NORDTEST method specifies a method of evaluating a single number index which Read more…