自己運動とフィードバック音高の関係認識における遅れの影響

This article is a technical report without peer review, and its polished and/or extended version may be published elsewhere.
➨ 19 ᅇ᪥ᮏࣂ࣮ࢳࣕࣝࣜ࢔ࣜࢸ࢕Ꮫ఍኱఍ㄽᩥ㞟(2014 ᖺ 9 ᭶)
⮬ᕫ㐠ື࡜ࣇ࢕࣮ࢻࣂࢵࢡ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) ᮾிᕤᴗ኱Ꮫ ⥲ྜ⌮ᕤᏛ◊✲⛉ ▱⬟ࢩࢫࢸ࣒⛉Ꮫᑓᨷ
(ࠛ226-8503 ⚄ዉᕝ┴ᶓ὾ᕷ⥳༊㛗ὠ⏣⏫ 5㛗㇂ᕝᬗ୍◊✲ᐊ, owaki@haselab.net)
2) ᮾிᕤᴗ኱Ꮫ⢭ᐦᕤᏛ◊✲ᡤ
(ࠛ226-8503 ⚄ዉᕝ┴ᶓ὾ᕷ⥳༊㛗ὠ⏣⏫ 5㛗㇂ᕝᬗ୍◊✲ᐊhase@pi.titech.ac.jp)
ᴫせ: ࢫ࣮࢟ࢆ⁥㉮ࡍࡿ㝿࡟⮬ศࡢጼໃࢆᢕᥱࡋไᚚࡍࡿࡇ࡜ࡣᐜ࡛᫆ࡣ࡞࠸ࡑࡇ࡛ᡃࠎࡣࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵ࡟
ຍ㔜୰ᚰ఩⨨ࢆ㡢ࡢ㧗ప࡛ࣇ࢕࣮ࢻࣂࢵࢡࡍࡿࢩࢫࢸ࣒ࢆసᡂࡋࡓᩘᅇࡢヨ⏝࡟ࡼࡾ㸪㏻ಙ㐜ࢀࡀ኱ࡁࡃ࡞ࡿ࡜㐠ື࡜
㡢ࡢᑐᛂࡢㄆ㆑ࡀᅔ㞴࡟࡞ࡿ࡜࠸࠺஦౛ࡀ⏕ࡌࡓࡑࡇ࡛㐜ࢀ࡜⮬ᕫ㐠ືㄆ㆑ࡢಀࢆㄪ࡭ࡿࡓࡵ࡟࡝ࡢ⛬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࠶ࡿࡇ࡜ࡀุ᫂ࡋࡓ
࣮࣮࢟࣡ࢻ: 㡢Ἴฎ⌮ࠊࣇ࢕࣮ࢻࣂࢵࢡ㐜ᘏࠊࢱ࢖࣒ࣛࢢ
1. ᴫせ
ᕥྑࡢ㊊ࡑࢀࡒࢀࡢ๓ᚋࡢຍ㔜఩⨨ࢆ㡢⛬࡟ᑐᛂࡉࡏ
ࢫ࣮࢟⁥㉮୰ࡢయࡢ๓ᚋࡢ఩⨨ࡣ㔜せࡔࡀ⮬ศࡢጼ
㧗㡢ࢆᚋഴጼໃ࡟ప㡢ࢆ๓ഴጼໃ࡟ᑐᛂࡉࡏࡓྍ⫈໬
ໃࢆᢕᥱࡋไᚚࡍࡿࡇ࡜ࡣᐜ࡛᫆ࡣ࡞࠸⁥ࡾࢆࣅࢹ࢜
ࢩࢫࢸ࣒ࡣ㸪ຊࢭࣥࢧࢫࢸࣞ࢜࢖࣐ࣖ࣍ࣥ࢖ࢥࣥ࡟ࡼ
࡛᧜ࡾᚋ࠿ࡽぢࡿ࡜⮬ぬ࡜ࡢ㐪࠸࡟Ẽ௜ࡃࡇ࡜࠿ࡽ⮬
ࡗ࡚ຊࢆィ ࡋࣇ࢕࣮ࢻࣂࢵࢡ㡢ࢆ⏕ᡂࡍࡿຊࢭࣥ
ᕫࡢጼໃࡀᢕᥱ࡛ࡁ࡞࠸ࡓࡵ࡟ጼໃࡀไᚚ࡛ࡁ࡞࠸࡜᥎
ࢧ࡟ࡣ௵ኳᇽࡢࣂࣛࣥࢫ :LL ࣮࣎ࢻ ྎࢆ⏝࠸ࡓࣂࣛ
ࣥࢫ Wii ࣮࣎ࢻࡣࣇ࢛࣮ࢫࣉ࣮ࣞࢺ࡜ࡋ࡚༑ศ࡟ṇ☜࡞ ᐹ࡛ࡁࡿ㊊࡟࠿࠿ࡿᅽຊࡣጼໃ࡟ࡼࡗ࡚ኚ໬ࡍࡿࡀ⁥
ᐃࡀ࡛ࡁࡿ[1]Ⅽ, ຊࢭࣥࢧ࡜ࡋ࡚ࡢ౑⏝ࡣጇᙜࡔ࡜ุ᩿
㉮୰ኚ໬ࡋ⥆ࡅࡿ㊊࡬ࡢຍ㔜ࡢឤぬ࠿ࡽ⌧ᅾࡢጼໃࢆ᥎
ࡋࡓ. ࣂࣛࣥࢫ Wii ࣮࣎ࢻࡣ 4 ࡘࡢ㊊࡟ࡑࢀࡒࢀ࣮ࣟࢻࢭ
ᐃࡍࡿࡇ࡜ࡣึ⣭⪅࡟ࡣ㞴ࡋ࠸
ᮏ◊✲࡛ࡣࢫ࣮࢟⁥㉮୰࡟ẚ㍑ⓗ౑⏝ࡋ࡚࠸࡞࠸⫈
ぬ࡟ຍ㔜୰ᚰࢆ㡢㡪࡜ࡋ࡚↓⥺࡛ࣜ࢔ࣝࢱ࢖࣒ࣇ࢕࣮ࢻ
ࣂࢵࢡࡍࡿࡇ࡜࡛ࡇࡢၥ㢟ࢆゎỴࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ
࡚࠸ࡓࡀᐇ㝿࡟⫈ぬࣇ࢕࣮ࢻࣂࢵࢡࢆ⾜࡞ࡗ࡚ࡳࡿ࡜
↓⥺㏻ಙ࡟ࡼࡾ⏕ࡌࡿ᫬㛫㐜ࢀࡀ㐠ື࡜ࣇ࢕࣮ࢻࣂࢵࢡ
ࡢᑐᛂ㛵ಀ࡟ᙳ㡪ࢆཬࡰࡍࡇ࡜ࡀุ᫂ࡋࡓࡑࡇ࡛㐜ࢀ
࡜⮬ᕫ㐠ືㄆ㆑ࡢ㛵ಀࢆㄪ࡭ࡿࡓࡵ࡟ᐇ㦂ࢆ⾜ࡗࡓ
2. ᐇ㦂ᴫせ
2.1 ౑⏝ࢹࣂ࢖ࢫ
㏻ಙ࡟ࡼࡿ㐜ᘏࡀ▱ぬ࡟࡝ࡢ⛬ᗘࡢᙳ㡪ࢆ୚࠼࡚࠸ࡿ
࠿ࢆㄪ࡭ࡿࡓࡵ࡟ᐇ㦂ࢆ⾜ࡗࡓ. ຍ㔜୰ᚰࡢ఩⨨ࡣຊࢭ
ࣥࢧ࠿ࡽᚓࡿࡇ࡜ࡀ࡛ࡁࡿࡢ࡛ຊࢭࣥࢧࡢ್࡜㡢㡪ࣇ
ᅗ ࢹࣂ࢖ࢫᴫせ
࢕࣮ࢻࣂࢵࢡࡢ㛵ಀࢆタィࡋࡓ㡢ࡣ୧⪥࡟ᥦ♧ࡋᕥྑ
ࡢຍ㔜ࡢࣂࣛࣥࢫࢆ㡢㔞ࡢࣂࣛࣥࢫ࡟ᑐᛂࡉࡏࡓࡲࡓ
90
ᐇ㦂⤖ᯝ࠿ࡽ, ⿕㦂⪅ A, B, C ࡟㛵ࡋ࡚ࡣ᫬㛫ࡢ㐜ࢀࢆ
ࣝࡀ㓄⨨ࡉࢀ࡚࠸ࡿⅭ, ྛ࣮ࣟࢻࢭࣝࡢቑᖜᚋࡢฟຊ㟁
ᅽࢆࣂࣛࣥࢫ Wii ࣮࣎ࢻ࠿ࡽྲྀᚓࡋ㸪PSoC ࢆ⏝࠸࡚ A/D
኱ࡁࡃࡍࡿ࡟క࠸, ุ᩿࡟せࡍࡿ᫬㛫ࡀ኱ࡁࡃ࡞ࡗ࡚࠸
ኚ᥮㸪ྛ㊊ࡢ㔜ᚰ఩⨨ࡢィ⟬㸪㡢ࡢฟຊࢆ⾜ࡗࡓ㸬
ࡿࡇ࡜ࡀศ࠿ࡿ. ࡲࡓ, ⿕㦂⪅ A, B ࡟㛵ࡋ࡚ࡣ⣙ 20~40ms
㡢⛬ࡣ㔜ᚰࡢ๓ᚋ఩⨨㡢㔞ࡣຍ㔜ࡢྜィ࡟ẚ౛ࡉࡏࡓ
ࡢ㛫࡛཯ᛂ᫬㛫ࡢ኱ᖜ࡞ቑຍࡀぢࡽࢀࡓ୍᪉࡛⿕㦂⪅ C,
㡢⛬ࡣ༙㡢㝵ࢆୖୗࡍࡿࡼ࠺࡟ࡋࡓࡑࡋ࡚ᕥ㊊ࡢࣇ࢕
D ࡣࢃࡎ࠿࡟❧ࡕୖࡀࡿࡶࡢࡢࡑࢀ࡯࡝཯ᛂ᫬㛫࡟኱ࡁ
࣮ࢻࣂࢵࢡࢆ∦᪉ࡢ⪥࡟ྑ㊊ࡢࣇ࢕࣮ࢻࣂࢵࢡࢆࡶ࠺
࡞ኚ໬ࡣ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⛣ືࡢ௙᪉࡟ࡤࡽࡘࡁ
ࡀ࠶ࡾබᖹᛶ࡟Ḟࡅࡿ㒊ศࡀ࠶ࡗࡓ(ື࠿ࡋ᪉࡟౫Ꮡࡋ࡚
ࢹࣂ࢖ࢫ࡛ࡣ㐜ᘏࢆ㏣ຍࡍࡿࡓࡵ, ࢭࣥࢧ࠿ࡽᚓࡽࢀ
ࡓ್ࢆࣜࣥࢢࣂࢵࣇ࢓࡟ධࢀ, ࣜࣥࢢࣂࢵࣇ࢓ࡢ㛗ࡉࢆ
ࡋࡲࡗ࡚࠸ࡓ),ࡇ࡜ࡀ⪃࠼ࡽࢀࡿ. ⌧⾜ࡢᐇ㦂᪉ἲ࡛ࡣ⪥
ኚ࠼ࡽࢀࡿࡼ࠺࡟ࡋࡓ. ࡇࢀ࡟ࡼࡾ㡢㡪ฟຊࡲ࡛ࡢ᫬㛫
ࡢⰋࡉࡢᐇ㦂࡟࡞ࡾ࠿ࡡ࡞࠸Ⅽ, ᐇ㦂᪉ἲࡢ෌᳨ウࡀᚲ
ࢆࢯࣇࢺ࢙࢘࢔࡟ࡼࡾㄪ⠇࡛ࡁࡿ. ᐇ㦂ࡣ, ࡝ࡕࡽࡢ㊊ࡢ
せ࡛࠶ࡿ࡜⪃࠼࡚࠸ࡿ.
ධຊࡀ࡝ࡕࡽࡢ⪥࡟ฟຊࡉࢀ࡚࠸ࡿ࠿ࢆ⿕㦂⪅ࡀุ᩿࡛
4. ⤖ㄽ࡜௒ᚋࡢᒎᮃ
ࡁࡿࡲ࡛ࡢ᫬㛫ࢆィ ࡍࡿࡇ࡜࡛⾜ࡗࡓ. 㐜ᘏ᫬㛫ࡣ⣙
3.5ms ࠿ࡽ 119.8ms ࡲ࡛࠾ࡼࡑ 10ms ้ࡳ, ᭦࡟ 9.5ms ࠿ࡽ
ࣂࣛࣥࢫ :LL ࣮࣎ࢻ࠿ࡽ࢖ࣖ࣍ࣥࡲ࡛᭷⥺࡛᥋⥆ࡋࡓ
30.7ms ࡲ࡛ 4ms ้ࡳ࡜ࡋࡓ. ࡇࢀࡣ஦๓࡟ணഛᐇ㦂ࢆ⾜ࡗ
ྍ⫈໬ࢩࢫࢸ࣒ࢆ⏝࠸࡚㐜ᘏࡢၥ㢟ࢆ☜ㄆィ ࡋࡓ㐜
ࡓ⤖ᯝ, 㐜ᘏ᫬㛫 20ms ௜㏆ࡀ㐪࿴ឤࢆឤࡌጞࡵࡿቃ⏺࡞
ᘏ࡟ࡼࡾࠊᕥྑࡢᑐᛂࡢุ᩿࡟せࡍࡿ᫬㛫ࡀቑຍࡍࡿ࡜࠸
ࡢ࡛ࡣ࡞࠸࠿࡜ุ᩿ࡋࡓⅭ࡛࠶ࡿ. ⿕㦂⪅ࡣ⏨ᛶ 3 ྡ, ዪ
࠺஦ࡀศ࠿ࡗࡓ. ࡲࡓ, 20~40ms ௨ୖࡢ㐜ᘏࡀ࠶ࡿሙྜ࡟
ᛶ 1 ྡ࡛࠶ࡿ.
཯ᛂ᫬㛫ࡀୖ᪼ࡍࡿࡼ࠺࡟ࡳ࠼ࡿࡀ, ィ ẖࡢࡤࡽࡘࡁ,
⿕㦂⪅࡟ࡣ, ࢹࣂ࢖ࢫ࡜ࢩࢫࢸ࣒࡟័ࢀ࡚ࡶࡽ࠺ࡓࡵ
⿕㦂⪅ࡈ࡜ࡢࡤࡽࡘࡁඹ࡟㠀ᖖ࡟኱ࡁࡃ, ಙ㢗࡛ࡁࡿᐇ
࡟, 10 ศ࡯࡝㐜ᘏ᫬㛫 3.5ms ࡢ≧ែ࡛ᶍᨃࢹࣂ࢖ࢫࢆ౑⏝
㦂⤖ᯝ࡜ࡣゝ࠼࡞࠸. ࡤࡽࡘࡁࡀᑡ࡞ࡃ࡞ࡿࡼ࠺࡟ᐇ㦂
ࡋ࡚ࡶࡽ࠸, ุ᩿ࡲ࡛ࡢ᫬㛫ࡀ 10 ⛊௨ෆ࡜࡞ࡿࡇ࡜ࢆ☜
ࢆᨵⰋࡋ, 㐜ᘏࡢᙳ㡪ࢆṇ☜࡟ホ౯ࡋࡓ࠸࡜⪃࠼࡚࠸ࡿ.
ㄆࡋࡓୖ࡛ᐇ㦂ࢆ⾜ࡗࡓ. ⿕㦂⪅࡟ࡣ, ணࡵࢹࣂ࢖ࢫ࡟஌
ࡾ, ⮬⏤࡟ຍ㔜୰ᚰࢆື࠿ࡋ࡚Ⰻ࠸ࡇ࡜, ࢫࢺࢵࣉ࢛࢘ࢵ
ཧ⪃ᩥ⊩
ࢳࢆࢫࢱ࣮ࢺࡉࡏࡿ࡜ྍ⫈໬ࡀጞࡲࡿࡢ࡛, ᕥྑ࡝ࡕࡽ
[1] Ross A. Clark, Adam L. Bryant, Yonghao Pua, Paul
ࡢ⪥࡟࡝ࡕࡽࡢ㊊ࡢຍ㔜୰ᚰࡀࣇ࢕࣮ࢻࣂࢵࢡࡉࢀ࡚࠸
McCrory, Kim Bennell, Michael Hunt 㸸 Validity and
ࡿ࠿ࢆุ᩿ࡋ, ࡑࢀࡀศ࠿ࡾḟ➨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
ࣉ࢛࢘ࢵࢳࢆࢫࢱ࣮ࢺࡉࡏࡿࡢ࡜ྠ᫬࡟ྍ⫈໬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
ࣜ࢔ࣜࢸ࢕Ꮫ఍ゎㄝࡢ᭩ࡁ᪉㸪᪥ᮏࣂ࣮ࢳࣕࣝࣜ࢔ࣜ
ࢸ࢕Ꮫ఍ㄅ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 ᅇ኱఍ㅮ₇ㄽᩥ
㞟, pp. 20-23, 2014.
ᅗ 2: ᐇ㦂⤖ᯝ
91

Download Report