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Loud speech over noise: Some spectral attributes, with gender differences
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Music Acoustics.ORCID iD: 0000-0002-3362-7518
2006 (English)In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 119, no 3, 1648-1665 p.Article in journal (Refereed) Published
Abstract [en]

In seeking an acoustic description of overloaded voice, simulated environmental noise was used to elicit loud speech. A total of 23 adults, 12 females and 11 males, read six passages of 90 s duration, over realistic noise presented over loudspeakers. The noise was canceled out, exposing the speech signal to analysis. Spectrum balance (SB) was defined as the level of the 2-6 kHz band relative to the 0.1-1 kHz band. SB averaged across many similar vowel segments became less negative with increasing sound pressure level (SPL), as described in the literature, but only at moderate SPL. At high SPL, SB exhibited a personal saturation point, above which the high-band level no longer increased faster than the overall SPL, or even stopped increasing altogether, on average at 90.3 dB WO cm) for females and 95.5 dB for males. Saturation occurred 6-8 dB; below the personal maximum SPL, regardless of gender. The loudest productions were often characterized by a relative increase in low-frequency energy, apparently in a sharpened first formant. This suggests a change of vocal strategy when the high spectrum can rise no further. The progression of SB with SPL was characteristically different for individual subjects.

Place, publisher, year, edition, pages
2006. Vol. 119, no 3, 1648-1665 p.
Keyword [en]
environmental noise, vocal intensity, voice quality, shouted voice, speakers, children, singers, women, men
National Category
Environmental Health and Occupational Health Fluid Mechanics and Acoustics Otorhinolaryngology
Research subject
Speech and Music Communication
URN: urn:nbn:se:kth:diva-15535DOI: 10.1121/1.2161435ISI: 000236155100036ScopusID: 2-s2.0-33644648344OAI: diva2:333576
Forte, Swedish Research Council for Health, Working Life and Welfare

QC 20150623

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2015-06-23Bibliographically approved

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Ternström, Sten
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