An International Comparison of Long-Term Average Speech Spectra

Byrne, Denis, Dillon, Harvey, Tran, Khanh, Arlinger, Stig, Wilbraham, Keith, Cox, Robyn, Hagerman, Bjorn, Hetu, Raymond, Kei, Joseph, Lui, C, Kiessling, Jurgen, Kotby, M.Nasser, Nasser, N.H.A, Elkholy, Wafaa A.H.EI, Nakanishi, Yasuko, Oyer, Herbert, Powell, Richard, Stephens, Dafydd, Meredith, Rhys, Sirimanna, Tony, Tavartkiladze, George, Frolenkov, Gregory I., Westerman, Soren and Ludvigsen, Carl (1994) An International Comparison of Long-Term Average Speech Spectra. Journal of the Acoustical Society of America, 96 4: 2108-2120. doi:10.1121/1.410152

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Author Byrne, Denis
Dillon, Harvey
Tran, Khanh
Arlinger, Stig
Wilbraham, Keith
Cox, Robyn
Hagerman, Bjorn
Hetu, Raymond
Kei, Joseph
Lui, C
Kiessling, Jurgen
Kotby, M.Nasser
Nasser, N.H.A
Elkholy, Wafaa A.H.EI
Nakanishi, Yasuko
Oyer, Herbert
Powell, Richard
Stephens, Dafydd
Meredith, Rhys
Sirimanna, Tony
Tavartkiladze, George
Frolenkov, Gregory I.
Westerman, Soren
Ludvigsen, Carl
Title An International Comparison of Long-Term Average Speech Spectra
Journal name Journal of the Acoustical Society of America   Check publisher's open access policy
ISSN 0001-4966
Publication date 1994-10
Year available 1994
Sub-type Article (original research)
DOI 10.1121/1.410152
Open Access Status File (Publisher version)
Volume 96
Issue 4
Start page 2108
End page 2120
Total pages 13
Place of publication Melville, NY, United States
Publisher A I P Publishing LLC
Language eng
Abstract The long‐term average speech spectrum (LTASS) and some dynamic characteristics of speech were determined for 12 languages: English (several dialects), Swedish, Danish, German, French (Canadian), Japanese, Cantonese, Mandarin, Russian, Welsh, Singhalese, and Vietnamese. The LTASS only was also measured for Arabic. Speech samples (18) were recorded, using standardized equipment and procedures, in 15 localities for (usually) ten male and ten female talkers. All analyses were conducted at the National Acoustic Laboratories, Sydney. The LTASS was similar for all languages although there were many statistically significant differences. Such differences were small and not always consistent for male and female samples of the same language. For one‐third octave bands of speech, the maximum short‐term rms level was 10 dB above the maximum long‐term rms level, consistent across languages and frequency. A ‘‘universal’’ LTASS is suggested as being applicable, across languages, for many purposes including use in hearing aid prescription procedures and in the Articulation Index.
Keyword Hearing-Aid
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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