Speech privacy class for rating the speech privacy of meeting rooms

Authors

  • John S. Bradley Institute for Research in Construction, National Research Council, Montreal Rd., Ottawa, K1A 0R6
  • Bradford N. Gover Institute for Research in Construction, National Research Council, Montreal Rd., Ottawa, K1A 0R6

Keywords:

Signal to noise ratio, Sound insulating materials, Sound insulation, Speech, Statistical process control, Ambient noises, Free field conditions, Individual components, Meeting rooms, Signal-to-noise ratios, Speech privacies, Speech sounds

Abstract

Speech privacy class (SPC) has been introduced to rate the speech privacy for meeting rooms. The speech privacy system need to detect the weakness in individual components of the sound insulation of an office or meeting rooms. The uniform-weighted signal-to-noise ratio can be used to determine the audibility and intelligibility of transmitted speech in noise. The criteria for speech privacy obtained by determining the thresholds of audibility and intelligibility of speech sounds. The study observed that the 'intelligibility threshold in rooms' can be applied to meeting rooms, while the intelligibility threshold in free field conditions' can be applied to spatially separated speech. It was also found that the SPC can determine the privacy lapse of sound insulation and ambient noise.

Additional Files

Published

2008-09-01

How to Cite

1.
Bradley JS, Gover BN. Speech privacy class for rating the speech privacy of meeting rooms. Canadian Acoustics [Internet]. 2008 Sep. 1 [cited 2024 Sep. 11];36(3):22-3. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2018

Issue

Vol. 36 No. 3 (2008)

Section

Proceedings of the Acoustics Week in Canada

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