This article is a technical report without peer review, and its polished and/or extended version may be published elsewhere. ➨ 19 ᅇ᪥ᮏࣂ࣮ࢳࣕࣝࣜࣜࢸᏛㄽᩥ㞟(2014 ᖺ 9 ᭶) ⮬ᕫ㐠ືࣇ࣮ࢻࣂࢵࢡ㡢㧗ࡢ 㛵ಀㄆ㆑࠾ࡅࡿ㐜ࢀࡢᙳ㡪 Influence of delay on relationship recognition between self-motion and auditory pitch feedback ⬥㑈 1)㸪㛗㇂ᕝᬗ୍ 2) Ryo OWAKI and Shoichi HASEGAWA 1) ᮾிᕤᴗᏛ ⥲ྜ⌮ᕤᏛ◊✲⛉ ▱⬟ࢩࢫࢸ࣒⛉Ꮫᑓᨷ (ࠛ226-8503 ⚄ዉᕝ┴ᶓᕷ⥳༊㛗ὠ⏣⏫ 5㛗㇂ᕝᬗ୍◊✲ᐊ, [email protected]) 2) ᮾிᕤᴗᏛ⢭ᐦᕤᏛ◊✲ᡤ (ࠛ226-8503 ⚄ዉᕝ┴ᶓᕷ⥳༊㛗ὠ⏣⏫ 5㛗㇂ᕝᬗ୍◊✲ᐊ[email protected]) ᴫせ: ࢫ࣮࢟ࢆ㉮ࡍࡿ㝿⮬ศࡢጼໃࢆᢕᥱࡋไᚚࡍࡿࡇࡣᐜ࡛᫆ࡣ࡞࠸ࡑࡇ࡛ᡃࠎࡣࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵ ຍ㔜୰ᚰ⨨ࢆ㡢ࡢ㧗ప࡛ࣇ࣮ࢻࣂࢵࢡࡍࡿࢩࢫࢸ࣒ࢆసᡂࡋࡓᩘᅇࡢヨ⏝ࡼࡾ㸪㏻ಙ㐜ࢀࡀࡁࡃ࡞ࡿ㐠ື 㡢ࡢᑐᛂࡢㄆ㆑ࡀᅔ㞴࡞ࡿ࠸࠺ࡀ⏕ࡌࡓࡑࡇ࡛㐜ࢀ⮬ᕫ㐠ືㄆ㆑ࡢಀࢆㄪࡿࡓࡵࡢ⛬ᗘࡢ㐜ࢀࡀ ேయࡢ▱ぬᙳ㡪ࢆཬࡰࡍ࠸࠺ᐇ㦂ࢆ⿕㦂⪅ᑐࡋ࡚⾜ࡗࡓࡑࡢ⤖ᯝ࠾ࡼࡑ PV ࢆ㉺࠼ࡿ㐜ࢀࡀ㐠ືࣇ ࣮ࢻࣂࢵࢡ㡢ࡢᑐᛂࡢㄆ㆑ࢆጉࡆࡿྍ⬟ᛶࡀ࠶ࡿࡇࡀุ᫂ࡋࡓ ࣮࣮࢟࣡ࢻ: 㡢Ἴฎ⌮ࠊࣇ࣮ࢻࣂࢵࢡ㐜ᘏࠊࢱ࣒ࣛࢢ 1. ᴫせ ᕥྑࡢ㊊ࡑࢀࡒࢀࡢ๓ᚋࡢຍ㔜⨨ࢆ㡢⛬ᑐᛂࡉࡏ ࢫ࣮࢟㉮୰ࡢయࡢ๓ᚋࡢ⨨ࡣ㔜せࡔࡀ⮬ศࡢጼ 㧗㡢ࢆᚋഴጼໃప㡢ࢆ๓ഴጼໃᑐᛂࡉࡏࡓྍ⫈ ໃࢆᢕᥱࡋไᚚࡍࡿࡇࡣᐜ࡛᫆ࡣ࡞࠸ࡾࢆࣅࢹ࢜ ࢩࢫࢸ࣒ࡣ㸪ຊࢭࣥࢧࢫࢸ࣐ࣞ࢜ࣖ࣍ࣥࢥࣥࡼ ࡛ࡾᚋࡽぢࡿ⮬ぬࡢ㐪࠸Ẽࡃࡇࡽ⮬ ࡗ࡚ຊࢆィ ࡋࣇ࣮ࢻࣂࢵࢡ㡢ࢆ⏕ᡂࡍࡿຊࢭࣥ ᕫࡢጼໃࡀᢕᥱ࡛ࡁ࡞࠸ࡓࡵጼໃࡀไᚚ࡛ࡁ࡞࠸᥎ ࢧࡣ௵ኳᇽࡢࣂࣛࣥࢫ :LL ࣮࣎ࢻ ྎࢆ⏝࠸ࡓࣂࣛ ࣥࢫ Wii ࣮࣎ࢻࡣࣇ࢛࣮ࢫࣉ࣮ࣞࢺࡋ࡚༑ศṇ☜࡞ ᐹ࡛ࡁࡿ㊊ࡿᅽຊࡣጼໃࡼࡗ࡚ኚࡍࡿࡀ ᐃࡀ࡛ࡁࡿ[1]Ⅽ, ຊࢭࣥࢧࡋ࡚ࡢ⏝ࡣጇᙜࡔุ᩿ ㉮୰ኚࡋ⥆ࡅࡿ㊊ࡢຍ㔜ࡢឤぬࡽ⌧ᅾࡢጼໃࢆ᥎ ࡋࡓ. ࣂࣛࣥࢫ Wii ࣮࣎ࢻࡣ 4 ࡘࡢ㊊ࡑࢀࡒࢀ࣮ࣟࢻࢭ ᐃࡍࡿࡇࡣึ⣭⪅ࡣ㞴ࡋ࠸ ᮏ◊✲࡛ࡣࢫ࣮࢟㉮୰ẚ㍑ⓗ⏝ࡋ࡚࠸࡞࠸⫈ ぬຍ㔜୰ᚰࢆ㡢㡪ࡋ࡚↓⥺࡛ࣜࣝࢱ࣒ࣇ࣮ࢻ ࣂࢵࢡࡍࡿࡇ࡛ࡇࡢၥ㢟ࢆゎỴࡍࡿࡇࢆ┠ⓗࡋ ࡚࠸ࡓࡀᐇ㝿⫈ぬࣇ࣮ࢻࣂࢵࢡࢆ⾜࡞ࡗ࡚ࡳࡿ ↓⥺㏻ಙࡼࡾ⏕ࡌࡿ㛫㐜ࢀࡀ㐠ືࣇ࣮ࢻࣂࢵࢡ ࡢᑐᛂ㛵ಀᙳ㡪ࢆཬࡰࡍࡇࡀุ᫂ࡋࡓࡑࡇ࡛㐜ࢀ ⮬ᕫ㐠ືㄆ㆑ࡢ㛵ಀࢆㄪࡿࡓࡵᐇ㦂ࢆ⾜ࡗࡓ 2. ᐇ㦂ᴫせ 2.1 ⏝ࢹࣂࢫ ㏻ಙࡼࡿ㐜ᘏࡀ▱ぬࡢ⛬ᗘࡢᙳ㡪ࢆ࠼࡚࠸ࡿ ࢆㄪࡿࡓࡵᐇ㦂ࢆ⾜ࡗࡓ. ຍ㔜୰ᚰࡢ⨨ࡣຊࢭ ࣥࢧࡽᚓࡿࡇࡀ࡛ࡁࡿࡢ࡛ຊࢭࣥࢧࡢ್㡢㡪ࣇ ᅗ ࢹࣂࢫᴫせ ࣮ࢻࣂࢵࢡࡢ㛵ಀࢆタィࡋࡓ㡢ࡣ୧⪥ᥦ♧ࡋᕥྑ ࡢຍ㔜ࡢࣂࣛࣥࢫࢆ㡢㔞ࡢࣂࣛࣥࢫᑐᛂࡉࡏࡓࡲࡓ 90 ᐇ㦂⤖ᯝࡽ, ⿕㦂⪅ A, B, C 㛵ࡋ࡚ࡣ㛫ࡢ㐜ࢀࢆ ࣝࡀ㓄⨨ࡉࢀ࡚࠸ࡿⅭ, ྛ࣮ࣟࢻࢭࣝࡢቑᖜᚋࡢฟຊ㟁 ᅽࢆࣂࣛࣥࢫ Wii ࣮࣎ࢻࡽྲྀᚓࡋ㸪PSoC ࢆ⏝࠸࡚ A/D ࡁࡃࡍࡿక࠸, ุ᩿せࡍࡿ㛫ࡀࡁࡃ࡞ࡗ࡚࠸ ኚ㸪ྛ㊊ࡢ㔜ᚰ⨨ࡢィ⟬㸪㡢ࡢฟຊࢆ⾜ࡗࡓ㸬 ࡿࡇࡀศࡿ. ࡲࡓ, ⿕㦂⪅ A, B 㛵ࡋ࡚ࡣ⣙ 20~40ms 㡢⛬ࡣ㔜ᚰࡢ๓ᚋ⨨㡢㔞ࡣຍ㔜ࡢྜィẚࡉࡏࡓ ࡢ㛫࡛ᛂ㛫ࡢᖜ࡞ቑຍࡀぢࡽࢀࡓ୍᪉࡛⿕㦂⪅ C, 㡢⛬ࡣ༙㡢㝵ࢆୖୗࡍࡿࡼ࠺ࡋࡓࡑࡋ࡚ᕥ㊊ࡢࣇ D ࡣࢃࡎ❧ࡕୖࡀࡿࡶࡢࡢࡑࢀᛂ㛫ࡁ ࣮ࢻࣂࢵࢡࢆ∦᪉ࡢ⪥ྑ㊊ࡢࣇ࣮ࢻࣂࢵࢡࢆࡶ࠺ ࡞ኚࡣぢࡽࢀ࡞ࡗࡓ. ࡲࡓ, ⿕㦂⪅ D ࡑࢀ௨እࡢ⿕ ୍᪉ࡢ⪥⾜ࡗࡓ 㦂⪅࡛ࡣ, ᛂ㛫ࡁ࡞ᕪࡀぢࡽࢀࡓ. ⪃࠼ࡽࢀ࠺ 2.2 ᐇ㦂᪉ἲ ࡿၥ㢟ࡋ࡚ࡣ, ྛ⿕㦂⪅ࡢ㔜ᚰ⛣ືࡢ᪉ࡤࡽࡘࡁ ࡀ࠶ࡾබᖹᛶḞࡅࡿ㒊ศࡀ࠶ࡗࡓ(ືࡋ᪉౫Ꮡࡋ࡚ ࢹࣂࢫ࡛ࡣ㐜ᘏࢆ㏣ຍࡍࡿࡓࡵ, ࢭࣥࢧࡽᚓࡽࢀ ࡓ್ࢆࣜࣥࢢࣂࢵࣇධࢀ, ࣜࣥࢢࣂࢵࣇࡢ㛗ࡉࢆ ࡋࡲࡗ࡚࠸ࡓ),ࡇࡀ⪃࠼ࡽࢀࡿ. ⌧⾜ࡢᐇ㦂᪉ἲ࡛ࡣ⪥ ኚ࠼ࡽࢀࡿࡼ࠺ࡋࡓ. ࡇࢀࡼࡾ㡢㡪ฟຊࡲ࡛ࡢ㛫 ࡢⰋࡉࡢᐇ㦂࡞ࡾࡡ࡞࠸Ⅽ, ᐇ㦂᪉ἲࡢ᳨ウࡀᚲ ࢆࢯࣇࢺ࢙࢘ࡼࡾㄪ⠇࡛ࡁࡿ. ᐇ㦂ࡣ, ࡕࡽࡢ㊊ࡢ せ࡛࠶ࡿ⪃࠼࡚࠸ࡿ. ධຊࡀࡕࡽࡢ⪥ฟຊࡉࢀ࡚࠸ࡿࢆ⿕㦂⪅ࡀุ᩿࡛ 4. ⤖ㄽᚋࡢᒎᮃ ࡁࡿࡲ࡛ࡢ㛫ࢆィ ࡍࡿࡇ࡛⾜ࡗࡓ. 㐜ᘏ㛫ࡣ⣙ 3.5ms ࡽ 119.8ms ࡲ࡛࠾ࡼࡑ 10ms ้ࡳ, ᭦ 9.5ms ࡽ ࣂࣛࣥࢫ :LL ࣮࣎ࢻࡽࣖ࣍ࣥࡲ࡛᭷⥺࡛᥋⥆ࡋࡓ 30.7ms ࡲ࡛ 4ms ้ࡳࡋࡓ. ࡇࢀࡣ๓ணഛᐇ㦂ࢆ⾜ࡗ ྍ⫈ࢩࢫࢸ࣒ࢆ⏝࠸࡚㐜ᘏࡢၥ㢟ࢆ☜ㄆィ ࡋࡓ㐜 ࡓ⤖ᯝ, 㐜ᘏ㛫 20ms ㏆ࡀ㐪ឤࢆឤࡌጞࡵࡿቃ⏺࡞ ᘏࡼࡾࠊᕥྑࡢᑐᛂࡢุ᩿せࡍࡿ㛫ࡀቑຍࡍࡿ࠸ ࡢ࡛ࡣ࡞࠸ุ᩿ࡋࡓⅭ࡛࠶ࡿ. ⿕㦂⪅ࡣ⏨ᛶ 3 ྡ, ዪ ࠺ࡀศࡗࡓ. ࡲࡓ, 20~40ms ௨ୖࡢ㐜ᘏࡀ࠶ࡿሙྜ ᛶ 1 ྡ࡛࠶ࡿ. ᛂ㛫ࡀୖ᪼ࡍࡿࡼ࠺ࡳ࠼ࡿࡀ, ィ ẖࡢࡤࡽࡘࡁ, ⿕㦂⪅ࡣ, ࢹࣂࢫࢩࢫࢸ࣒័ࢀ࡚ࡶࡽ࠺ࡓࡵ ⿕㦂⪅ࡈࡢࡤࡽࡘࡁඹ㠀ᖖࡁࡃ, ಙ㢗࡛ࡁࡿᐇ , 10 ศ㐜ᘏ㛫 3.5ms ࡢ≧ែ࡛ᶍᨃࢹࣂࢫࢆ⏝ 㦂⤖ᯝࡣゝ࠼࡞࠸. ࡤࡽࡘࡁࡀᑡ࡞ࡃ࡞ࡿࡼ࠺ᐇ㦂 ࡋ࡚ࡶࡽ࠸, ุ᩿ࡲ࡛ࡢ㛫ࡀ 10 ⛊௨ෆ࡞ࡿࡇࢆ☜ ࢆᨵⰋࡋ, 㐜ᘏࡢᙳ㡪ࢆṇ☜ホ౯ࡋࡓ࠸⪃࠼࡚࠸ࡿ. ㄆࡋࡓୖ࡛ᐇ㦂ࢆ⾜ࡗࡓ. ⿕㦂⪅ࡣ, ணࡵࢹࣂࢫ ࡾ, ⮬⏤ຍ㔜୰ᚰࢆືࡋ࡚Ⰻ࠸ࡇ, ࢫࢺࢵࣉ࢛࢘ࢵ ཧ⪃ᩥ⊩ ࢳࢆࢫࢱ࣮ࢺࡉࡏࡿྍ⫈ࡀጞࡲࡿࡢ࡛, ᕥྑࡕࡽ [1] Ross A. Clark, Adam L. Bryant, Yonghao Pua, Paul ࡢ⪥ࡕࡽࡢ㊊ࡢຍ㔜୰ᚰࡀࣇ࣮ࢻࣂࢵࢡࡉࢀ࡚࠸ McCrory, Kim Bennell, Michael Hunt 㸸 Validity and ࡿࢆุ᩿ࡋ, ࡑࢀࡀศࡾḟ➨ࢫࢺࢵࣉ࢛࢘ࢵࢳࢆࢫ reliability of the Nintendo Wii Balance Board for ࢺࢵࣉࡉࡏࡿࡼ࠺ᣦ♧ࡋࡓ. ᐇ㦂⪅ࡣ⿕㦂⪅ࡀࢫࢺࢵ assessment of standing balance㸪Contents lists available at ࣉ࢛࢘ࢵࢳࢆࢫࢱ࣮ࢺࡉࡏࡿࡢྠྍ⫈ࢆ㛤ጞࡉ ScienceDirect Gait & Posture31㸪pp. 307–310, 2010. ࡏ, ⿕㦂⪅ࡢᅇ⟅ࢆ☜ㄆࡋࡓ. ࡲࡓ, ࡑࢀࡒࢀࡢ㐜ᘏ㛫 [2] Shoichi Hasegawa, Seiichiro Ishijima, Fumihiro Kato, ࡛ 3 ᅇࡎࡘィ ࢆ⾜࠸, ᖹᆒࡋࡓ್ࢆィ ್ࡋ࡚グ㘓ࡋ Hironori Mitake and Makoto Sato, : Realtime Sonification ࡓ. of Center of Gravity for Skiing AH’12, Proceedings of the 3rd Augmented Human International Conference, No. 3. ᐇ㦂⤖ᯝ 11(2012).ࣂ࣮ࢳࣕࣝኴ㑻㸪⌧ᐇⰼᜨ㸸᪥ᮏࣂ࣮ࢳࣕࣝ ࣜࣜࢸᏛゎㄝࡢ᭩ࡁ᪉㸪᪥ᮏࣂ࣮ࢳࣕࣝࣜࣜ ࢸᏛㄅ㸪Vol. 2, No. 4, pp. 11–16, 1997. [3] S. Hasegawa: Augmented ski, http://haselab.net/ ˜ hase/ski/ski.php, 2012 [4] ⬥㑈, 㛗㇂ᕝᬗ୍: ࢫ࣮࢟ࡢຍ㔜୰ᚰࡢྍ⫈࠾ ࡅࡿ㛫㐜ࢀࡢᙳ㡪, ࢫ࣮࢟Ꮫ➨ 24 ᅇㅮ₇ㄽᩥ 㞟, pp. 20-23, 2014. ᅗ 2: ᐇ㦂⤖ᯝ 91
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