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Research paper : Development and standardization of accessible design technologies that address the needs of senior citizens (K. Kurakata, et al.)−22−Synthesiology - English edition Vol.1 No.1 (2008) References[1][2][3][4][5][6][7][8][9][10][11][12] Industrial Standards Division, Public Relations Department, Institute for Human Science and Biomedical Engineering: Bogaion oyobi koreisha no choryoku teika o koryo shita hochion ni kansuru hyojunka kenkyu (Standardization research for auditory signal addressing interfering sound and decreased hearing in elderly people), AIST Today, 4(3), 33 (2004) (in Japanese).Industrial Standards Division, Public Relations Department, Institute for Human Science and Biomedical Engineering: Nendai betsu sotai kido oyobi hikari no hyoka hoho ni kansuru hyojunka kenkyu (Standardization research for evaluation method for relative brightness and light by age), AIST Today, 4(5), 23 (2004) (in Japanese).Japanese Industrial Standard: JIS S 0014 Koreisha・shogaisha hairyo sekkei shishin - shohi seikatsu seihin no hochion - bogaion oyobi chokaku no karei henka o koryo shita on’atsu reberu (JIS S 0014 Guidelines for the Elderly and People with Disabilities - Auditory Signals on Consumer Products - Sound Pressure Levels of Signals for the Elderly and in Noisy Conditions), Japanese Standards Association (2003) (in Japanese).K. Kurakata, K. Matsushita, Y. Kuba, and Y. Kuchinomachi: Kaden seihin no hochion no keisoku - koreisha no chokaku tokusei ni motozuku kento・dai2ho -(Audio signals in electric home appliances evaluated in terms of the hearing ability of elderly adults (Second report)), Japanese Journal of Ergonomics, 35, 277-285 (1999) (in Japanese).K. Kurakata, K. Matsushita, Y. Kuba, and Y. Kuchinomachi: Kaden seihin no hochion no keisoku・dai3ho - hatsuon patan no bunseki - (Auditory signals of electric home appliances (Third report) - Temporal ringing pattern-), Japanese Journal of Ergonomics, 36, 147-153 (2000) (in Japanese).Japanese Industrial Standard: JIS S 0013 Koreisha・shogaisha hairyo sekkei shishin - shohi seikatsu seihin no hochion ( JIS S 0013 Guidelines for the Elderly and People with Disabilities - Auditory Signals on Consumer Products), Japanese Standards Association (2002) (in Japanese).K.Kurakata, K.Matsushita, A.Shibasaki-K and Y.Kuchinomachi: Detection threshold for pure tones presented against a broadband noise - A comparison of young and elderly listeners -, Proc. 17th International Congress on Acoustics, 4, 3A.15.02 (2001).S.Namba, S.Kuwano, K.Kinoshita and K.Kurakata: Loudness and timbre of broad-band noise mixed with frequency-modulated sounds, J. Acoust. Soc. Jpn (E), 13, 49-58 (1992).S.Kuwano, S.Namba, K.Kurakata and Y.Kikuchi: Evaluation of broad-band noise mixed with amplitude-modulated sounds, J. Acoust. Soc. Jpn (E), 15, 131-142 (1994).S. Namba and S. Kuwano: Shushu no hendo’on no hyokaho to shiteno Leq no datosei narabini sono tekiyo han’i no kento (Psychological study on Leq as a measure of loudness of various kinds of noises), Journal of the Acoustical Society of Japan (J), 32, 774-785 (1982) (in Japanese).K.Kurakata, A.Shibasaki-K. and Y.Kuchinomachi: Loudness functions of elderly adults for pure tones and low-pass filtered noises, Proc. 7th Western Pacific Regional Acoustics Conference, 191-194 (2000).Japanese Industrial Standard: TR S 0001 Shouhi seikatsu seihin no hochion nado no sekkei shishin-seikatsu kankyo’on deta besu (TR S 0001 Guideline for Determining the Acoustic Properties of Auditory Signals Used in Consumer [13][14][15][16][17]Products - A Database of Domestic Sounds), Japanese Standards Association (2002) (in Japanese).K. Kurakata, Y. Kuba, T. Kizuka, and Y. Kuchinomachi:Koreisha no choryoku reberu to terebi no choshu onryo no kankei (Relationship between hearing levels of preferred volume levels of television), Japanese Journal of Ergonomics, 35, 169-176 (1999) (in Japanese).K.Kurakata, K.Matsushita and Y.Kuchinomachi: Database of domestic sounds for evaluation of auditory-signal audibility: JIS/TR S 0001, Acoust. Sci. & Technol. 24, 23-26 (2003).K. Kurakata, T. Mizunami, and K. Matsushita: Seikatsu kankyo onchu ni teiji sareta jyun’on shingo no kikitoriyasusa hyoka - jyakunenso to koreisha no hikaku - (Audibility evaluation of pure tones presented against domestic sounds - Comparison between young and elderly listeners -), Proceedings of the autumn meeting of the Acoustical Society of Japan, 459-460 (2002) (in Japanese).K.Kurakata and K.Matsushita: Japanese Industrial Standards on designing auditory signals of consumer products for the elderly and for use in noisy conditions, Proc. XVth Triennial Congress of International Ergonomics Association, No.713 (2003).Akuseshiburu dezain seihin no fukyuni mukete-chokaku shikaku ni kakawaru hyojunka kenkyu no seka o ISO kikakuka tei’an (For the propagation of accessible design products - Proposal for ISO standardization of standardization research result for hearing and vision), Sansoken Today, 7(7), 19 (2007) (in Japanese).Received original manuscript September 18, 2007Revisions received November 26, 2007Accepted November 26, 2007AuthorsKenji KurakataJoined the National Institute of Bioscience and Human-Technology, Agency of Industrial Science and Technology in 1996. Currently, Group Leader of Accessible Deign Research Group, Institute for Human Science and Biomedical Engineering of AIST. Engages in research on hearing characteristics of the elderly, and works on drafting proposal for JIS in auditory and acoustics field and on international standardization activity. Worked on ISO/TC 159 (Ergonomics) /SC5/WG5 Convenor, ISO/TC 43 (Acoustics) /WG1 Expert, and others. Spends effort to propagate accessible design technology with belief that creating environment and products that can be used readily by older elderly people and people with disabilities will lead to a society where everyone can live comfortably.Ken SagawaJoined the National Institute of Industrial Products and Research Institute Science, Agency of Industrial Science and Technology in 1975. Currently, Prime Senior Researcher of the Institute for Human Science and Biomedical Engineering of AIST. Engages in research on photometry and visual environment evaluation through psychophysical measurement of vision. Has developed mesopic photometry system, scaling of comfortable color environment, measurement of visual characteristics of elderly people and people with disabilities, and propagation through

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