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Experimental Assessment of Speech Privacy and Intelligibility in Multi-Language Environments

[+] Author Affiliations
L. Dai

University of Regina, Regina, Saskatchewan, Canada

Y. Ma, D. J. Caswell

University of Calgary, Calgary, Alberta, Canada

Paper No. IMECE2002-39228, pp. 807-811; 5 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Design Engineering
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Design Engineering Division
  • ISBN: 0-7918-3628-2 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


In the current literature, most assessments for speech privacy and speech intelligibility are relying on the subjective measurements utilized with the test materials of English and other Western languages. Effects of different languages and accents in speech privacy and speech intelligibility are usually overseen. This study aims at the speech privacy assessment of closed offices in multicultural environments. Subjective measurements are conducted in this study for closed offices by using English and a tonal language. The evaluation differences in speech privacy between the two languages are evident and significant. It is also found in this study that the existing single word tests used in research and industrial practice for subjectively evaluating speech privacy should be modified when closed spaces are considered. The subjective measurement results of this study are also compared with the objective measurement indices AI.

Copyright © 2002 by ASME



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