An international comparison of long-term average speech spectra. Byrne, D.; Dillon, H.; Tran, K.; Arlinger, S.; Wilbraham, K.; Cox, R.; Hagerman, B.; Hetu, R.; Kei, J.; Lui, C; Kiessling, J.; Kotby, M N.; Nasser, N. H A; El Kholy, W. A H; Nakanishi, Y.; Oyer, H.; Powell, R.; Stephens, D.; Meredith, R.; Sirimanna, T.; Tavartkiladze, G.; Frolenkov, G. I; Westerman, S.; and Ludvigsen, C. The Journal of the Acoustical Society of America, 96(4):2108-2120.
An international comparison of long-term average speech spectra [pdf]Paper  doi  abstract   bibtex   
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.
@article{byrne_international_1994,
	Author = {Byrne, Denis and Dillon, Harvey and Tran, Khanh and Arlinger, Stig and Wilbraham, Keith and Cox, Robyn and Hagerman, Bjorn and Hetu, Raymond and Kei, Joseph and Lui, C and Kiessling, Jurgen and Kotby, M Nasser and Nasser, Nasser H A and El Kholy, Wafaa A H and Nakanishi, Yasuko and Oyer, Herbert and Powell, Richard and Stephens, Dafydd and Meredith, Rhys and Sirimanna, Tony and Tavartkiladze, George and Frolenkov, Gregory I and Westerman, Soren and Ludvigsen, Carl},
	Date = {1994},
	Date-Modified = {2017-04-19 08:04:06 +0000},
	Doi = {10.1121/1.410152},
	File = {Attachment:files/1753/Byrne et al. - 1994 - An international comparison of long-term average speech spectra.pdf:application/pdf},
	Issn = {0001-4966},
	Journal = {The Journal of the Acoustical Society of America},
	Keywords = {acoustic phonetics, LTAS, phonetics},
	Number = {4},
	Pages = {2108-2120},
	Title = {An international comparison of long-term average speech spectra},
	Url = {http://www.dydaktyka.cba.pl/AvSpeech.pdf},
	Volume = {96},
	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.},
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