In-situ sound insulation measurement when a room is very absorptive

Auteurs-es

  • T.R.T. Nightingale Inst. of Res. in Construction, Natl. Res. Council, Montreal Road, Ottawa, Ont. K1A, Canada
  • R.E. Halliwell Inst. of Res. in Construction, Natl. Res. Council, Montreal Road, Ottawa, Ont. K1A, Canada

Mots-clés :

Acoustic variables measurement, Acoustic wave absorption, Microphones, Reverberation, Sensitivity analysis, Sound insulation, Sound insulation measurement, Transmission loss test methods

Résumé

The sensitivity of the ASTM E336 to absorption in either the source or receiving room and its effect on the number of microphones needed to sample the resulting field was studied. Nine microphone positions satisfying the ASTM E336 location requirements sampled the SPL. The apparent transmission loss (ATL) was measured in both directions between the three possible room pairs: horizontally separated by a partition wall, vertically separated by a floor, and diagonally where there was no common element. The results indicate that measurements in rooms having absorption typical of furnished multifamily dwellings are possible if the room volumes are adequately sampled.

Fichiers supplémentaires

Publié-e

2001-09-01

Comment citer

1.
Nightingale T, Halliwell R. In-situ sound insulation measurement when a room is very absorptive. Canadian Acoustics [Internet]. 1 sept. 2001 [cité 30 avr. 2026];29(3):60-1. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1383

Numéro

Vol. 29 No. 3 (2001)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

Licence

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