楽器の継続的練習を支援するために練習曲を他楽曲の伴奏に編曲するシステム
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(2) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ࡢࢩࢫࢸ࣒ࡣ㸪ࢫࢣ࣮ࣝࡸ࢚ࢳ࣮ࣗࢻࡢ⦎⩦ࢆᨭᑐ㇟ ࡣࡋ࡚࠸࡞࠸㸬 ୍᪉㸪⮬ື⦅᭤ࢩࢫࢸ࣒㛵ࡋ࡚ࡶከࡃࡢ◊✲ࡀ࠶ࡿ㸬 ࡓ࠼ࡤ㸪㡢ᴦ⌮ㄽ GTTM ᇶ࡙࠸ࡓ࣓ࣟࢹ࣮࣮ࣔࣇ ࣥࢢࢆ⾜࠺ࡶࡢ[5][6]ࡸ㸪࣮࢜ࢣࢫࢺࣛࡢ᭤ࢆ⮬ືⓗࣆ ࣀࣞࣥࢪࡋ࡚ࡃࢀࡿࢩࢫࢸ࣒[7][8]ࡢ◊✲ࡀ࠶ࡿ㸬ࡋࡋ㸪 ࢫࢣ࣮ࣝࡸ࢚ࢳ࣮ࣗࢻࡢせ⣲ࢆ᥇ࡾධࢀࡓకዌࢆ⦅᭤ࡍࡿ ࢩࢫࢸ࣒ࡣ㸪➹⪅ࡽࡢ▱ࡿ㝈ࡾᏑᅾࡋ࡞࠸㸬. 3. ணഛㄪᰝ ࣂ࢜ࣜࣥࡢ⦎⩦࡛ࡣ㸪୍⯡ⓗࢫࢣ࣮ࣝࡸ࢚ࢳ࣮ࣗࢻ ࡤࢀࡿᇶ♏⦎⩦ࡢࡓࡵࡢ⦎⩦᭤㸪Ⓨ⾲➼࡛₇ዌࡍ ࡿࡼ࠺࡞ᴦ᭤㸦ࡇࡇ࡛ࡣㄢ㢟᭤ࡪ㸧ࡢ㸪2 ✀㢮ࡢᴦ᭤ ᑐࡍࡿ⦎⩦ࢆ⾜࠺㸬ࢫ࣏࣮ࢶࡓ࠼ࡿ࡞ࡽࡤ㸪యຊస ࡾࡢࡓࡵࡢᇶ♏ⓗ࡞㘫㘐ࡀ⦎⩦᭤┦ᙜࡋ㸪⦎⩦ヨྜࡀㄢ ᅗ 1 ⏝ᡭ㡰ࡢᴫせ. 㢟᭤┦ᙜࡍࡿ㸬ㄢ㢟᭤ࢆᙎࡁࡇ࡞ࡍࡓࡵࡣ㸪⦎⩦᭤ࡢ. Figure 1 How to use Amuse étude. ༑ศ࡞⦎⩦ࡀྍḞ࡛࠶ࡿ㸬 ᮏ◊✲ࡀᨭᑐ㇟ࡋ࡚࠸ࡿ᪥ᖖⓗ࡞ᇶ♏⦎⩦㛵ࡍ ࡿணഛㄪᰝࡋ࡚㸪ࣂ࢜ࣜࣥࢆ₇ዌࡋ࡚࠸ࡿ࣐ࢳࣗ. ᴦ㆕ࡢᥦ♧. մ. ࣭㡢⏕࣭㡢༞ᴗ⏕ࡽ 16 ྡࣥࢣ࣮ࢺࢆ⾜ࡗࡓ㸬. ࣮ࣘࢨࡣ㸪ࢩࢫࢸ࣒ࡀฟຊࡋࡓ MIDI ࢹ࣮ࢱࢆ㸪ู㏵⏝. ࣥࢣ࣮ࢺࡢ⤖ᯝ㸪⣙ 88㸣ࡢᅇ⟅⪅ࡀᇶ♏⦎⩦ࡢ㔜せᛶࢆᣦ. ពࡉࢀࡓ᪤Ꮡࡢᴦ㆕⾲♧ࢯࣇࢺ࢙࢘㸦ࡓ࠼ࡤୡ⏺ᶞ. ࡋ࡚࠸ࡓ㸬ࡶࢃࡽࡎ㸪⣙ 63%ࡢᅇ⟅⪅ࡀࠕ⦎⩦ࢆ. [9]࡞㸧ධຊࡋ㸪ᴦ㆕ࡋ࡚⾲♧ࡍࡿ㸬. ࡘࡽࡃ㣬ࡁࡿឤࡌࡿࡇࡀ࠶ࡿࠖᅇ⟅ࡋ㸪≉⦎⩦᭤. ₇ዌ. յ. ࡢ⦎⩦ࡣࡘࡽ࠸ࡍࡿᅇ⟅ࡀከࡗࡓ㸬ࡑࡢࡼ࠺ឤࡌࡿ. ᡭ㡰ղ࡛࣮ࣘࢨࡀධຊࡋࡓ⿕కዌᴦ᭤ࡢ MIDI ࢹ࣮ࢱ㸪. ⌮⏤ࡋ࡚㸪 ࠕㄢ㢟᭤ࡢ⦎⩦㛫ࢆ࠸ࡓ࠸ࠖ㸪 ࠕ⦎⩦᭤ࡀ. ࡲࡓࡣྠࡌᴦ᭤ࡢ mp3 㡢※➼ࢆ⏕ࡋ࡞ࡀࡽ㸪ᡭ㡰մ࡛. ༢ㄪ࡛࠶ࡿࠖ㸪ࠕ⦎⩦᭤ࢆᙎࡁࡍࡂ࡚㣬ࡁ࡚࠸ࡿࠖ࠸࠺ᅇ. ᥦ♧ࡉࢀࡓᴦ㆕ࡢకዌࣃ࣮ࢺࢆ࣮ࣘࢨࡀ₇ዌࡋ㸪⦎⩦ࡍ. ⟅ࡀ┠❧ࡗࡓ㸬௨ୖࡢ⤖ᯝࡽ㸪ከࡃࡢሙྜ㸪ࣂ࢜ࣜࣥ. ࡿ㸬࡞࠾㸪⿕కዌᴦ᭤ࡢ⏕ࡢ࣮࢟ࡣ㸪ᣦᐃࡋࡓ⦎⩦. ࡢ⦎⩦యࡀࡘࡽ࠸ࡢ࡛ࡣ࡞ࡃ㸪⦎⩦᭤ࡢ⦎⩦ࡀࡘࡽ࠸ࡢ. ᭤ࡢ࣮࢟ྜࢃࡏࡿ㸬ࡇࢀࡣ㸪⦎⩦᭤ഃࡢ࣮࢟ࢆኚ᭦ࡍ. ࡛࠶ࡿ࠸࠺ࡇࡀ♧၀ࡉࢀࡓ㸬. ࡿ㐠ᣦࡀࡁࡃኚࡋ㸪ᮏ᮶࡞ࡍࡁ⦎⩦ࡀᐇ࡛ࡁ. 4. Amuse étude 4.1 ⏝ᡭ㡰 Amuse étude ࢆ⏝࠸ࡿᡭ㡰ࡘ࠸࡚㸪ᅗ 1 ࢆࡶㄝ᫂ ࡍࡿ㸬 ձ. ࡞ࡃ࡞ࡿࡓࡵ࡛࠶ࡿ㸬 4.2. ࢩࢫࢸ࣒ヲ⣽. 4.2.1 MIDI ࢹ࣮ࢱ ᮏࢩࢫࢸ࣒࡛ࡣ㸪⿕కዌᴦ᭤ࡣ㸪࣐ࣖࣁᰴᘧ♫ࡀᥦ ࡍࡿ XF ࣇ࢛࣮࣐ࢵࢺ[10]ᚑ࠺ MIDI ࢹ࣮ࢱࡋ࡚ࢩࢫࢸ. ⦎⩦᭤ࡢᣦᐃ ࣒࠼ࡿ㸬ࡇࢀࡣ㸪ṇ☜࡞ᴦ㆕ࢆ⾜࠺ࡓࡵ㸪௨ୗ࡛. ึࡵ㸪࣮ࣘࢨࡣ⦎⩦ࡋࡓ࠸⦎⩦᭤㸦ࡓ࠼ࡤ㸪 ࠕࢡࣟ ㏙ࡿࡼ࠺㸪⿕కዌᴦ᭤ࡢኌ㸦ࢥ࣮ࢻ㸧ሗ࠾ࡼࡧㄪ ࢶ࢙ࣝࡢ⦎⩦᭤ 2 ␒ࠖ࡞㸧ࢆᣦᐃࡍࡿ㸬ࢩࢫࢸ࣒ࡣ㸪 ᣦᐃࡉࢀࡓ⦎⩦᭤ࡢࢹ࣮ࢱࢆ⦎⩦᭤ࢹ࣮ࢱ࣮࣋ࢫୖ᳨࡛. ᛶ㸦࣮࢟㸧ሗࢆྲྀᚓࡍࡿᚲせᛶࡀ࠶ࡿࡓࡵ࡛࠶ࡿ㸬࡞࠾㸪 XF ࣇ࢛࣮࣐ࢵࢺ࡛グ㏙ࡉࢀࡓᴦ᭤ࢹ࣮ࢱࡣ㸪࣐ࣖࣁ㡢ᴦ. ⣴ࡋ㸪ྲྀᚓࡍࡿ㸬 ࢹ࣮ࢱࢩࣙࢵࣉ[11]ࡽከᩘධᡭྍ⬟࡛࠶ࡿ㸬 ղ. ⿕కዌᴦ᭤ࡢᣦᐃ. 4.2.2 ⦎⩦᭤ࢹ࣮ࢱ࣮࣋ࢫ. ḟ㸪࣮ࣘࢨࡣዲࡳࡢᴦ᭤㸦ࡇࢀࢆࠕ⿕కዌᴦ᭤ࠖ ⦎⩦᭤ࢹ࣮ࢱ࣮࣋ࢫࡣ㸪㡢ᴦ⌮ㄽ⢭㏻ࡋࡓ⪅ࡀ㸪࠶ࡽ ࡪ㸧ࡢ MIDI ࢹ࣮ࢱࢆࢩࢫࢸ࣒ධຊࡍࡿ㸬ࢩࢫࢸ࣒ࡣ. ࡌࡵಶࠎࡢ⦎⩦᭤ࢆ୍ᐃࡢ༢ࣃࢱ࣮ࣥ༊ษࡗ࡚⣽ศ. ධຊࡉࢀࡓ MIDI ࢹ࣮ࢱࢆゎᯒࡋ㸪ࡍ࡛ྲྀᚓࡋ࡚࠸ࡿ. ࣭ᢳ㇟ࡋࡓࡶࡢࢆ㸪⦎⩦᭤ࡈࡲࡵࡓࡶࡢࡢ㞟ྜ. ⦎⩦᭤ࢹ࣮ࢱࢆඖ㸪కዌࣃ࣮ࢺࢆ⮬ື⦅᭤ࡍࡿ㸬⮬ື. ࡛࠶ࡿ㸬ᅗ 2 ࡣ㸪࢝ࢨ࣮ࡤࢀࡿ࢚ࢳ࣮ࣗࢻࡢ 4 ␒ࡢ. ⦅᭤ࡢලయⓗ࡞ᡭἲࡘ࠸࡚ࡣ㸪ᚋ㏙ࡍࡿ㸬 ᭤ࡢ୍㒊࡛࠶ࡿ㸬⦎⩦᭤࡛࠶ࡿࢫࢣ࣮ࣝࡸ࢚ࢳ࣮ࣗࢻࡣ㸪 ճ. ᴦ᭤ࢹ࣮ࢱࡢ⤫ྜ. ᅗ 2 ♧ࡍࡢࡼ࠺㸪㢮ఝࡋࡓࣃࢱ࣮ࣥࡀఱᗘࡶ⧞ࡾ. ࢩࢫࢸ࣒ࡣ㸪⿕కዌᴦ᭤ࡢ MIDI ࢹ࣮ࢱ㸪⦅᭤ࡋࡓక. ㏉ࡉࢀࡿࡇࡀከ࠸㸬ࡇࡢࡼ࠺࡞㢮ఝࣃࢱ࣮ࣥࡢ⧞ࡾ㏉ࡋ. ዌࣃ࣮ࢺࢆ⤫ྜࡋࡓ MIDI ࢹ࣮ࢱࢆ⏕ᡂࡋ㸪ฟຊࡍࡿ㸬. ࡀᇶ♏⦎⩦ࡋ࡚㔜せ࡛࠶ࡿ㠃㸪ࡇࢀࡀ⦎⩦ᑐࡍࡿ㣬. ⓒ 2015 Information Processing Society of Japan. 2.
(3) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ᅗ 2 ⦎⩦᭤ࡢࢧࣥࣉࣝࡢ୍㒊 Figure 2 A sample of Etude. ᅗ 4 ⿕కዌᴦ᭤ࡢࢧࣥࣉࣝ Figure 4 A sample of musical piece that is accompanied with. ࡣ㛵ಀ࡞ࡃ㸪కዌࢆ⏕ᡂᚋ㐺⏝ࡍࡿࡶࡢ㸦ࡓ࠼ࡤࢫࣛ ࣮ࢆࡅࡿᢿᩘ㸧ศࡅ࡚࠾ࡃᚲせࡀ࠶ࡿ㸬࡞࠾㸪ᅗ 2 ࡢሙྜ㸪ࢸ࣏ࣥࡘ࠸࡚ࡣ Allegro㸦ᛌ㏿㸧᭩ࢀ࡚࠶ ᅗ 3 ᅗ 2 ࡢ⦎⩦᭤ࡽᚓࡽࢀࡓࡍ࡚ࡢ༢ࣃࢱ࣮ࣥ. ࡿࡔࡅ࡛࠶ࡾ㸪᫂☜࡞ࢸ࣏ࣥࡢᣦᐃࡣ࡞࠸㸬ࡑࡢࡓࡵ㸪ࡇ. Figure 3 Unit patterns obtained from Etude shown in Fig.2. ࡇ࡛ࢹ࣮ࢱసᡂ⪅ࡀ࠾࠾ࡼࡑࡢ㏿ࡉࢆ BPM ࡛ᣦᐃࡍࡿ㸬 ࡇࡢ࡛ࡣ㸪ᮏ✏➨ 1 ➹⪅ࡢุ᩿࡛ BPM=95 Ỵࡵࡓ㸬. ࡁࢆᘬࡁ㉳ࡇࡍࡁ࡞ཎᅉࡢ 1 ࡘ࡛࠶ࡿ⪃࠼ࡽࢀࡿ㸬. 4.2.3 కዌࡢ⏕ᡂ. ᅗ 2 ࡢ⦎⩦᭤ࡢሙྜ㸪16 ศ㡢➢ 4 ࡘศ㸪ࡘࡲࡾ 1 ᢿศࢆ. ᮏ⠇࡛ࡣ㸪⿕కዌᴦ᭤ࡋ࡚ᅗ 4 ♧ࡍᴦ᭤ࡢ MIDI ࢹ. ༢ࣃࢱ࣮ࣥࡋ࡚༊ษࡿࡇࡍࡿ㸬༢ࣃࢱ࣮ࣥࡢ༊. ࣮ࢱࢆࢩࢫࢸ࣒ධຊࡋ㸪ᅗ 2 ♧ࡍ⦎⩦᭤ࢆᣦᐃࡋࡓሙ ྜࢆᐃࡋ࡚ㄝ᫂ࡍࡿ㸬. ษࡾ᪉ࡣᵝࠎ⪃࠼ࡽࢀࡿࡀ㸪༢ࣃࢱ࣮ࣥ㛗ࢆ㛗ࡃࡾ ࡍࡂࡿ㸪ḟ⠇࡛ㄝ᫂ࡍࡿకዌࣇ࣮ࣞࢬࡢ⏕ᡂ㐺⏝࡛. ࡲࡎ㸪⿕కዌᴦ᭤ࡋ࡚ධຊࡉࢀࡓ MIDI ࢹ࣮ࢱࡢ⏕ ㏿ᗘሗ㸪ᣦᐃࡉࢀࡓ⦎⩦᭤ࡢࢸ࣏ࣥሗᇶ࡙ࡁ㸪༢. ࡁ࡞࠸ࣃࢱ࣮ࣥࡀⓎ⏕ࡋ࡚ࡋࡲ࠺ྍ⬟ᛶࡀ㧗ࡃ࡞ࡿ㸬ࡺ࠼ ࣃࢱ࣮ࣥࢆᵓᡂࡍࡿྛ㡢➢ࡢ㡢౯ࢆㄪᩚࡍࡿ㸬ᇶᮏⓗ 㸪༢ࣃࢱ࣮ࣥࡣ㸪⦎⩦せ⣲ࢆᦆ࡞ࢃ࡞࠸⠊ᅖ࡛㸪࡛ࡁ ࡿࡔࡅ▷ࡃ༊ษࡿࡇࡀᮃࡲࡋ࠸㸬ᅗ 3 㸪ᅗ 2 ࡢ⦎⩦᭤. ࡣ㸪⿕కዌᴦ᭤ࡢ₇ዌ㏿ᗘࡣࡑࡢࡲࡲ⥔ᣢࡋࡘࡘ㸪⦎⩦᭤ ࡢ₇ዌ㏿ᗘࡀࡶࡶᣦᐃࡉࢀ࡚࠸ࡿ⦎⩦᭤ࡢ₇ዌ㏿ᗘ. ࡽᚓࡽࢀࡿࡍ࡚ࡢ༢ࣃࢱ࣮ࣥࢆ♧ࡍ㸬 ࡛ࡁࡿࡔࡅ㏆ࡃ㸪ࡘ㐣ᗘ₇ዌᅔ㞴࡞ࡽ࡞࠸ࡼ࠺㡢 ḟ㸪㞟ࡋࡓ༢ࣃࢱ࣮ࣥࢆᢳ㇟ࡋ㸪ᢳ㇟༢ࣃ ౯ࢆኚ࠼ࡿ㸬 ࢱ࣮ࣥࢆ⏕ᡂࡍࡿ㸬ࡇࡇ࡛ᢳ㇟ࡣ㸪⤯ᑐⓗ࡞㡢㧗࡛グ ㏙ࡉࢀ࡚࠸ࡿྛ༢ࣃࢱ࣮ࣥࢆ㸪┦ᑐⓗ࡞㡢⛬࡛グ㏙ࡋ࡞. ࠼ࡤᅗ 4 ࡢ⿕కዌᴦ᭤ࡢ⏕㏿ᗘࡣ bpm=120 ࡛࠶ࡾ㸪. ࠾ࡍࡇࢆ࠸࠺㸬ࡓ࠼ࡤ㸪ᅗ 3 ࡢ᭱ึࡢ༢ࣃࢱ࣮ࣥ [E,. ᅗ 2 ࡢ⦎⩦᭤ࡢ₇ዌ㏿ᗘࡣ bpm=95 ࡛࠶ࡿࡢ࡛㸪⦎⩦᭤ࢆ. G, E, G] ࡣ㸪᭱ึࡢ㡢 E ࢆᇶ‽㸦0㸧ࡍࢀࡤ㸪G ࡣ༙㡢 3. ࡑࡢࡲࡲ⿕కዌᴦ᭤ࡢ⏕㏿ᗘ࡛₇ዌࡋࡼ࠺ࡍࡿ㸪㏿. ࡘศ㧗࠸㡢࡞ࡿࡢ࡛㸪[0, 3, 0, 3] ᢳ㇟ࡉࢀࡿ㸬ࡇࡢ. ࡍࡂ࡚₇ዌࡀᅔ㞴࡞ࡿ㸬ࡑࡇ࡛㸪ࡇࡢሙྜࡣ⦎⩦᭤ࡢྛ. ࡼ࠺ࡋ࡚㸪ᚓࡽࢀࡓࡍ࡚ࡢ༢ࣃࢱ࣮ࣥࢆᢳ㇟ࡋࡓ. 㡢➢ࡢ㡢౯ࢆ㸪ඖࡢ 16 ศ㡢➢ࡢಸࡢ㛗ࡉࡢ 8 ศ㡢➢ࡍࡿ ࡇࡼࡾ㸪₇ዌྍ⬟࡞㏿ᗘ࡞ࡿࡼ࠺ㄪᩚࡍࡿ㸬㏫㸪. ᢳ㇟༢ࣃࢱ࣮ࣥࢆ㸪ඖࡢ༢ࣃࢱ࣮ࣥేࡏ࡚⦎⩦᭤ ⿕కዌᴦ᭤ࡢ⏕㏿ᗘࡀ㐜ࡍࡂࡿሙྜࡣ㸪⦎⩦᭤ࡢ㡢౯ࢆ ࢹ࣮ࢱ࣮࣋ࢫⓏ㘓ࡍࡿ㸬 ඖࡢ㡢౯ࡼࡾࡶ▷ࡃࡍࡿ㸬ḟ㸪⿕కዌᴦ᭤ࡢ࣮࢟ࢆ㸪ᣦ ᙉᙅグྕࡸࢫ࣮ࣛ➼ࡢࡑࡢࡢグྕࡘ࠸࡚ࡣ㸪ྛ⦎⩦ ᐃࡉࢀࡓ⦎⩦᭤ࡢ࣮࢟⛣ㄪࡍࡿ㸬ࡇࡢ㸪⿕కዌᴦ᭤ ᭤࡛⾜࠺ࡁ⦎⩦ࢆ⪃៖ࡋ࡚㸪ᚲせᛂࡌ࡚ሗࢆ⦎⩦᭤ ࢹ࣮ࢱ࣮࣋ࢫⓏ㘓ࡍࡿ㸬ᅗ 2 ࡢ⦎⩦᭤ࡢሙྜࡣ㸪ࢫ࣮ࣛ. 㝃ᒓࡍࡿࡍ࡚ࡢࢥ࣮ࢻሗࡶ㸪࣮࢟ࡢ⛣ືྜࢃࡏ࡚᰿. ࢆ 4 ᢿศ㸦16 ศ㡢➢ 16 ಶศ㸧ࡅࡿࡇ㸪ࢡࢭࣥࢺ. 㡢ࢆ┦ᑐⓗ⛣ືࡉࡏࡿ㸬. ࡣ 2 ᢿ┠㢌ࡸ 4 ᢿ┠㢌࡞⨨ࡃࡇ㸪࡞ࢆⓏ㘓ࡍࡿ㸬. ௨ୖࡢ๓ฎ⌮ࡢᚋ㸪⦎⩦᭤ࢹ࣮ࢱ࣮࣋ࢫࡽྲྀᚓࡋࡓ ༢ࣃࢱ࣮ࣥࢆ⿕కዌ᭤ࡢྛ㒊࠶࡚ࡣࡵࡿฎ⌮⛣ࡿ㸬. ࡇࢀࡽࡢሗࡣ㸪༢ࣃࢱ࣮ࣥࢭࢵࢺࡋ࡚Ⓩ㘓ࡍࡿࡶ ༢ࣃࢱ࣮ࣥࡢ࠶࡚ࡣࡵ᪉ἲࡋ࡚ࡣ㸪⦎⩦㔜どᆺ㸪కዌ ࡢ㸦ࡓ࠼ࡤࢡࢭࣥࢺ⨨㸧㸪ಶࠎࡢ༢ࣃࢱ࣮ࣥ 㔜どᆺ㸪୰㛫ᆺࡢ 3 ࡘࡢ᪉ἲࢆ⏝ពࡋࡓ㸬⦎⩦㔜どᆺࡣ࡞. ⓒ 2015 Information Processing Society of Japan. 3.
(4) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ࢻࡢᵓᡂ㡢ࡢࡳ࡛ᵓᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡋ㸪ヱ ᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣ ࡵᑐ㇟⟠ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬 ղ ձヱᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࡽ࡞࠸ሙྜ㸪ᢳ㇟ ༢ࣃࢱ࣮ࣥࡢ᭱ึࡢ㡢ࡀᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢ ࢥ࣮ࢻࡢ᰿㡢࡞ࡿࡼ࠺ල㇟㸦ࡘࡲࡾ㸪┦ᑐ㡢㧗 ࢆ⤯ᑐ㡢㧗ኚ㸧ࡋ㸪ල㇟ࡉࢀࡓ༢ࣃࢱ࣮ࣥࡢ ᵓᡂ㡢ࡀ㸪ᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢࢥ࣮ࢻᵓᡂ㡢ࡢࡳ ࡛ᵓᡂࡉࢀࡿࡶࡢࢆ᥈ࡍ㸬ヱᙜࡍࡿල㇟༢ࣃࢱ࣮ ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢకዌ ᅗ 5 ⏕ᡂࡉࢀࡓకዌࡢࢧࣥࣉࣝ Figure 5 A sample of automatically arranged accompaniment. ࡋ࡚᥇⏝ࡍࡿ㸬 ճ ௨ୖࡍ࡚ࡀྍ⬟࡞ሙྜ㸪ᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡍ ࡚ࡣఇ➢ࡍࡿ. ࡿࡃ⦎⩦᭤ฟ࡚ࡃࡿ༢ࣃࢱ࣮ࣥࢆ࡛ࡁࡿࡔࡅࡑࡢࡲ. కዌ㔜どᆺ࡛ࡣ㸪⿕కዌᴦ᭤ᣦᐃࡉࢀ࡚࠸ࡿࢥ࣮ࢻࡢ. ࡲኚᙧࡏࡎ࠶࡚ࡣࡵ࡚కዌࢆసᡂࡍࡿ᪉ἲ࡛࠶ࡿ㸬కዌ. ᵓᡂ㡢ࡢࡳ࡛ᵓᡂࡉࢀࡓࣃࢱ࣮ࣥࡋ⏝ࡋ࡞࠸㸬ࡋࡓࡀ. 㔜どᆺࡣ㸪⿕కዌᴦ᭤ࡢྛࢥ࣮ࢻ࠾ࡅࡿࢥ࣮ࢻᵓᡂ㡢ࢆ. ࡗ࡚㸪࡛ࡁୖࡀࡿకዌࡣ 3 ࡘࡢᡭἲࡢ࠺ࡕ࡛ࡶࡗࡶ⿕క. 㔜どࡋ࡚సᡂࡍࡿࡶࡢ࡛࠶ࡿ㸬୰㛫ᆺࡣࡑࡢ୧᪉ࡢせ⣲ࢆ. ዌᴦ᭤ㄪࡋࡓࡶࡢ࡞ࡿ㸬ࡋࡋ㸪㐺⏝࡛ࡁࡿࣃࢱ࣮. ྵࢇࡔࡶࡢ࡛࠶ࡿ㸬. ࣥࡀ㝈ࡽࢀࡿࡓࡵ㸪⦎⩦ຠ⋡ࡣ୰㛫ᆺ㸪⦎⩦㔜どᆺẚ. [ඹ㏻ฎ⌮]. ࡚ୗࡀࡿᛮࢃࢀࡿ㸬ࡲࡓ㸪ࢫࢣ࣮ࣝⓗ࡞༢ࣃࢱ࣮ࣥࡀ. ࡲࡎ㸪⦎⩦᭤ࢹ࣮ࢱ࣮࣋ࢫࡽྲྀᚓࡋࡓ༢ࣃࢱ࣮ࣥ 1. ከ࠸ሙྜ㸪ࢥ࣮ࢻࢺ࣮ࣥࡢ୰ࡵࡿࡇࡀ࡛ࡁ࡞࠸ࡓࡵ㸪. ࡘศࡢ㛗ࡉ┦ᙜࡍࡿ㛗ࡉ࡛㸪⿕కዌᴦ᭤ࢆศࡍࡿ㸬๓. ఇ➢ࡀከࡃ࡞ࡗ࡚ࡋࡲ࠺ၥ㢟ࡀ࠶ࡿ㸬. ㏙ࡋࡓࡼ࠺㸪㡢౯ࢆㄪᩚࡋࡓ⤖ᯝ㸪༢ࣃࢱ࣮ࣥࡣ 8 ศ. [⦎⩦㔜どᆺࡢ࠶࡚ࡣࡵ᪉ἲ]. 㡢➢ 4 ࡘศ㸦ࡍ࡞ࢃࡕ㸪2 ᢿศ㸧ࡢ㛗ࡉࢆᣢࡗ࡚࠸ࡿ㸬ࡺ. ձ ⿕కዌᴦ᭤ࡢ࠶࡚ࡣࡵᑐ㇟⟠ᡤᣦᐃࡉࢀ࡚࠸ࡿࢥ࣮. ࠼㸪ᅗ 5 ࡢ⿕కዌᴦ᭤ࡘ࠸࡚ࡣ㸪2 ᢿศࡈ࠶࡚ࡣ. ࢻࡢᵓᡂ㡢ࡢࡳ࡛ᵓᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡋ㸪ヱ. ࡵฎ⌮ࢆࡍࡇ࡞ࡿ㸬࠶࡚ࡣࡵฎ⌮ࡣ㸪ࢹ࣮ࢱ࣮࣋ࢫ. ᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣ. Ⓩ㘓ࡉࢀ࡚࠸ࡿ༢ࣃࢱ࣮ࣥᑐࡋ࡚㸪ࡑࡢⓏ㘓㡰㸪. ࡵᑐ㇟⟠ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬. ௨ୗ♧ࡍ࠸ࡎࢀࡢ༢ࣃࢱ࣮ࣥ࠶࡚ࡣࡵ᪉ἲࡢつ๎ࢆ ␒ྕ㡰㐺⏝ࡋ㸪つ๎ࢆ‶ࡓࡋࡓࡶࡢࢆ㡰᥇⏝ࡋ࡚࠸ࡃ㸬. ղ ձࡀ㐺⏝ྍ⬟࡞ሙྜ㸪⿕కዌᴦ᭤ࡢ࠶࡚ࡣࡵᑐ㇟⟠ ᡤᣦᐃࡉࢀ࡚࠸ࡿࢥ࣮ࢻࡢࣦ࢙ࣛࣈ࣭ࣝࣀ࣮. ࡲࡓ㸪ḟⓗつ๎ࡋ࡚௨ୗࡢ 3 㡯┠ࢆタᐃࡋࡓ㸸. ࢺ࣭ࢫࢣ࣮ࣝྵࡲࢀࡿ㡢࡛ᵓᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥ. A) ⿕కዌᴦ᭤㸪3 ᑠ⠇௨ୖࡢ㛗ࡉࡢྠ୍ࡢࣃࢱ࣮ࣥࡸ. ࢆ᥈ࡋ㸪ヱᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆ. ࣓ࣟࢹࡀ⧞ࡾ㏉ࡋ⌧ࢀ㸪ࡑࡢ㒊ศᣦᐃࡉࢀ࡚࠸ࡿ. ᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬. ࢥ࣮ࢻࡶྠ୍࡛࠶ࡿሙྜ㸪ࡑࢀࡽࡢ⟠ᡤࡣྠࡌకዌ. ճ ղࡀ㐺⏝ྍ⬟࡞ሙྜ㸪┤๓㐺⏝ࡋࡓ༢ࣃࢱ࣮ࣥ. ࢆࡍࡿ㸬ࡇࢀࡣ㸪࠼ࡤ⿕కዌᴦ᭤ࡀḷၐ᭤࡛࠶. ࡢ㐺⏝ࢆྲྀࡾᾘࡋ㸪᪂ࡓูࡢᮍ⏝༢ࣃࢱ࣮ࣥࢆ. ࡿሙྜࡢ 1 ␒ 2 ␒ࡢࡼ࠺࡞ࢣ࣮ࢫ࡛࠶ࡾ㸪ྠࡌ࣓ࣟ. ᳨⣴ࡋ࡞࠾ࡍ(ձࢆ⧞ࡾ㏉ࡍ)㸬. ࢹࡣྠࡌకዌࢆࡍࡿࡇ࡛㸪ᴦ᭤యࡢ⤫୍ ឤࢆฟࡍࡓࡵ࡛࠶ࡿ㸬. մ ճࡀྍ⬟ࡢሙྜ㸪᭦๓ࡢ༢ࣃࢱ࣮ࣥࡢ᥇⏝ࢆྲྀ ࡾᾘࡋ㸪᪂ࡓูࡢᮍ⏝༢ࣃࢱ࣮ࣥࢆ᳨⣴ࡋ࡞࠾. B) 㡯┠ A)ヱᙜࡋ࡞࠸⟠ᡤࡘ࠸࡚ࡣ㸪ྠࡌ༢ࣃࢱ. ࡍ㸬࡞࠾㸪ճմࡢᡭ㡰ࡢ㐺⏝ࡣ↓㝈⧞ࡾ㏉ࡉࢀࡿ. ࣮ࣥࡢ⏝ᅇᩘࡣไ㝈ࡉࢀࡿ㸬ࡇࢀࡣ㸪࡞ࡿࡃከࡃ. ྍ⬟ᛶࡀ࠶ࡿࡇࡽ㸪㐃⥆࡛ࡢ㐺⏝㝈ᗘࢆ 5 ᅇࡍ. ࡢࣃࢱ࣮ࣥࢆ⏝࠸ࡿࡇࡼࡾ㸪⦎⩦ຠ⋡ࢆୖࡆࡿࡇ. ࡿ㸬. ࢆᅗࡿࡓࡵ࡛࠶ࡿ㸬 1. C) ⛣ᘻ ࡀᅔ㞴࡞ࡽ࡞࠸ࡼ࠺㸪๓ࡢࣃࢱ࣮ࣥḟࡢࣃ ࢱ࣮ࣥࡣ⛣ᘻྍ⬟࡞⠊ᅖࡢືࡁࡵࡿ㸬ලయⓗࡣ㸪 ࠶ࡿࣃࢱ࣮ࣥࡢ᭱ᚋࡢ㡢㸪ḟ᮶ࡿࣃࢱ࣮ࣥࡢ᭱ึ ࡢ㡢ࡢ㡢⛬ࡀ 10 ᗘ௨ୖ࡞ࡽ࡞࠸ࡼ࠺ࡍࡿ㸬. յ ᡭ㡰ճմࢆᐇࡋ࡚ࡶ㸪ᡭ㡰ղ࡛࠶࡚ࡣࡵࡼ࠺ࡋ ࡚࠸ࡓ⟠ᡤ㐺ษ࡞࠶࡚ࡣࡵࡀᐇ⌧࡛ࡁ࡞ࡗࡓሙྜ㸪 ᡭ㡰ճմࢆᐇࡍࡿ๓ࡢ≧ែᡠࡋࡓୖ࡛㸪ᡭ㡰ղ ࡛࠶࡚ࡣࡵࡼ࠺ࡋ࡚࠸ࡓᑐ㇟⟠ᡤࡣఇ➢ࡍࡿ㸬 ն ⿕కዌᴦ᭤ࡢ᭱ᚋࡢᑠ⠇ࡲ࡛㐺⏝ࡀ⤊ࡋ㸪ࡘ㸪ࡶ. [కዌ㔜どᆺࡢ࠶࡚ࡣࡵ᪉ἲ]. ࡋᮍ⏝ࡢ༢ࣃࢱ࣮ࣥࡀᏑᅾࡍࡿሙྜ㸪᭱ึࡢ࠶࡚. ձ ⿕కዌᴦ᭤ࡢ࠶࡚ࡣࡵᑐ㇟⟠ᡤᣦᐃࡉࢀ࡚࠸ࡿࢥ࣮. ࡣࡵᑐ㇟⟠ᡤᙜ࡚ࡣࡵࡓ༢ࣃࢱ࣮ࣥࢆูࡢࡶࡢ ኚ᭦ࡋ㸪᪂ࡓᴦ㆕ࢆసᡂࡍࡿ㸬᪂ࡋࡃᚓࡽࢀࡓᴦ㆕. 1 ⛣ᘻࡣ㸪ᙎ࠸࡚࠸ࡿᘻࡽࡢᘻᘪࢆ⛣ࡍࡇ㸬㏻ᖖࡣ 1 ࡘ㞄ࡢᘻ. ࡀ๓ᅇసᡂࡋࡓᴦ㆕ࡼࡾࡶከࡃࡢࣃࢱ࣮ࣥࢆ⏝࡛ࡁ ⛣ࡍࡇࡋチࡉࢀ࡞࠸㸬. ⓒ 2015 Information Processing Society of Japan. 4.
(5) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ࡓ࡞ࡽࡤࡑࡢᴦ㆕ࢆ➨୍ೃ⿵ࡍࡿ㸬ࡶࡋ༢ࣃࢱ࣮. ࢆ㏙ࡿ㸬ᅗ 4 ࡢ⿕కዌᴦ᭤ࡢ᭱ึࡢ 2 ᢿࡢࢥ࣮ࢻࡣ F. ࣥࡢ✀㢮ࡢ᥇⏝ᩘࡀྠࡌࡶࡢࡀ」ᩘฟࡓሙྜ㸪᭱ࡶఇ. ࡞ࡢ࡛㸪ࡲࡎ [F, A, C] ࡢ㡢࡛ᵓᡂࡉࢀ࡚࠸ࡿ༢ࣃࢱ࣮ࣥ. ➢ࡢᩘࡀᑡ࡞࠸ࡶࡢࢆ᥇⏝ࡍࡿ㸬ࡇࡢつ๎ࢆࡍ࡚ࡢ. ࢆᅗ 3 ࡢࢹ࣮ࢱࡽ㡰᥈ࡋ࡚ࡃࡿ㸬ᅇࡢሙྜ㸪2 ࡘࡵ. ༢ࣃࢱ࣮ࣥࡀ᥇⏝ࡉࢀࡿᴦ㆕ࡀ⌧ࢀࡿ㸪᭱ึࡢ࠶. ࡢ༢ࣃࢱ࣮ࣥ [F, A, F, A] ࡀࡍ࡚ࢥ࣮ࢻᵓᡂ㡢࡛ᵓᡂ. ࡚ࡣࡵᑐ㇟⟠ᡤ㐺⏝ࡍࡿ༢ࣃࢱ࣮ࣥࢆࡍ࡚ヨࡋ. ࡉࢀ࡚࠸ࡿࡢ࡛㸪ࡇࡢ༢ࣃࢱ࣮ࣥࢆ⿕కዌᴦ᭤ࡢ᭱ึࡢ. ⤊ࢃࡿࡲ࡛⥆ࡅࡿ㸬. 2 ᢿศࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬ḟ㸪⿕కዌᴦ᭤ࡢ 3 ᢿ┠. ⦎⩦㔜どᆺ࡛ࡣ㸪ᣦᐃ⦎⩦᭤ࡢࣃࢱ࣮ࣥࢆ࡞ࡿࡃከࡃ. 4 ᢿ┠ࡢ㒊ศࡢࢥ࣮ࢻࡣ G ࡞ࡢ࡛㸪[G, B, D] ࡢ㡢࡛ᵓᡂ. ྲྀࡾධࢀࡿࡼ࠺タィࡋࡓ㸬ලయⓗࡣ㸪ࢥ࣮ࢻࢺ࣮ࣥࢆ. ࡉࢀ࡚࠸ࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡍ㸬ᅗ 3 ࡢ 4 ࡘࡵࡢ༢ࣃࢱ. ⪃៖ࡋࡍࡂ࡞࠸ࡇ㸪ཎ᭤ࣃࢱ࣮ࣥࢆࡼࡾከࡃྲྀࡾධࢀࡽ. ࣮ࣥ [B, D, B, D] ࡀࡍ࡚ࢥ࣮ࢻᵓᡂ㡢࡛ᵓᡂࡉࢀ࡚࠸ࡿ. ࢀࡿ᭱㐺ࢆ⾜࠺ࡇ㸪࠾ࡼࡧᢳ㇟༢ࣃࢱ࣮ࣥࢆ⏝. ࡢ࡛㸪ࡇࡢ༢ࣃࢱ࣮ࣥࢆ⿕కዌᴦ᭤ࡢᙜヱ⟠ᡤ 2 ᢿศࡢ. ࡋ࡞࠸ࡇ࡛࠶ࡿ㸬ඹ㏻ฎ⌮࡛ࡢḟⓗつ๎㸦C㸧ࡼࡾ㸪. కዌࡋ࡚᥇⏝ࡍࡿ㸬୰㛫ᆺࡢ࠶࡚ࡣࡵ᪉ἲࢆ⏝࠸࡚⏕ᡂ. ๓ᚋࡢࣃࢱ࣮ࣥࡢ㛵ಀࡼࡾᤄධ࡛ࡁ࡞࠸༢ࣃࢱ࣮ࣥࡀ. ࡉࢀࡿకዌᴦ㆕ࢆ㸪ᅗ 5 ♧ࡍ㸬. ⏕ࡌࡿྍ⬟ᛶࡀ࠶ࡿ㸬ᢳ㇟༢ࣃࢱ࣮ࣥࢆ⏝ࡏࡎఇ. 5. ᐇ㦂 1㸸ᥦᡭἲࡢᇶ♏ⓗ᭷ຠᛶࡢ᳨ウ. ➢ࢆ୍᪦ධࢀࡿࡇ࡛㸪ḟⓗつ๎㸦C㸧ࡢไ⣙ࡀ࡞ࡃ࡞ ࢩࢫࢸ࣒ࢣ࣮ࢩࣙࣥࡢᐇඛ❧ࡕ㸪ᥦᡭἲࡼࡾ㸪 ࡿࡓࡵ㸪ࡑࢀࡲ࡛࠶࡚ࡣࡵࡿࡇࡀ࡛ࡁ࡞ࡗࡓ༢ࣃࢱ ⦎⩦᭤ᑐࡍࡿ⦎⩦ែᗘࡀࡢࡼ࠺ኚࡍࡿ㛵ࡍࡿ ࣮ࣥࢆ࠶࡚ࡣࡵࡿࡇࡢ࡛ࡁࡿྍ⬟ᛶࡀᗈࡀࡿ㸬 [୰㛫ᆺࡢ࠶࡚ࡣࡵ᪉ἲ] ձ ⿕కዌᴦ᭤ࡢ࠶࡚ࡣࡵᑐ㇟⟠ᡤᣦᐃࡉࢀ࡚࠸ࡿࢥ࣮ ࢻࡢᵓᡂ㡢ࡢࡳ࡛ᵓᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡋ㸪ヱ. ᇶ♏ⓗ࡞᳨ドࢆ⾜ࡗࡓ㸬 5.1. ᐇ㦂᪉ἲ. 4 ྡࡢࣂ࢜ࣜࣥ₇ዌ⪅ A, B, C, D ࢆ⿕㦂⪅ࡋ࡚㸪1 ࡘ ࡢ⦎⩦᭤ࡘ࠸࡚㸪ᥦᡭἲࢆ⏝࠸ࡓሙྜ⏝࠸࡞࠸ሙྜ. ᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣ ࡵᑐ㇟⟠ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬. 㸦ᚑ᮶ᡭἲ㸧ࡢ 2 ࡘࡢ᮲௳ࡢẚ㍑ᐇ㦂ࢆ⾜ࡗࡓ㸬 ᥦᡭἲࡢᐇ㦂࡛ࡣ㸪ᐇ㦂ඛ❧ࡕ㸪ྛ⿕㦂⪅ዲࡳࡢ. ղ ձヱᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࡽ࡞࠸ሙྜ㸪ᙉᢿ ᴦ᭤ࢆ㑅ᐃࡋ࡚ࡶࡽ࠸㸪ࡇࢀࢆ⿕కዌᴦ᭤ࡋࡓ㸬కዌᴦ 㒊ࢥ࣮ࢻᣦᐃࡀ࠶ࡿᢿࡢ㡢ࡣࢥ࣮ࢻࡢᵓᡂ㡢࡛ᵓᡂ ㆕ࡣ㸪ඛㄝ᫂ࡋࡓ୰㛫ᆺࡢ࠶࡚ࡣࡵ᪉ἲᚑࡗ࡚㸪ᮏ✏ ࡉࢀ㸪ᙅᢿ㒊ࡢ㡢ࡣࣦ࢙ࣛࣈ࣭ࣝࣀ࣮ࢺ࣭ࢫࢣ࣮ ࣝྵࡲࢀࡿ㡢࡛ᵓᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡋ㸪ヱ. ➨ 1 ⴭ⪅ࡀᡭసᴗ࡛సᡂࡋࡓ㸬⿕㦂⪅ࡣ㸪ᣦᐃࡉࢀࡓ⦎ ⩦᭤ࡢཎ᭤ᴦ㆕㸦⣬༳ๅࡉࢀࡓࡶࡢ㸧㸪ᥦᡭἲ࡛స. ᙜࡍࡿ༢ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣ ࡵᑐ㇟⟠ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬. ᡂࡉࢀࡓకዌࡢᴦ㆕㸦⣬༳ๅࡋࡓࡶࡢ㸪PC ⏬㠃ୖ⾲ ♧ࡋࡓࡶࡢ㸧㸪࡞ࡽࡧ⿕కዌᴦ᭤ࢆ⏕ࡍࡿࡓࡵࡢࣉ࣮ࣞ. ճ ղヱᙜࡍࡿ༢ࣃࢱ࣮ࣥࡶぢࡘࡽ࡞࠸ሙྜ㸪ᢳ㇟ ༢ࣃࢱ࣮ࣥࡢ᭱ึࡢ㡢ࡀᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢ. ࣖࢆ࠼ࡓ㸬సᡂࡋࡓకዌࡣ㸪⿕㦂⪅ A D ࡛ࡣ 2 ᭤㸪B. ࢥ࣮ࢻࡢ᰿㡢࡞ࡿࡼ࠺ල㇟ࡋ㸪ල㇟ࡉࢀࡓ༢. C ࡛ࡣ 3 ᭤࡛࠶ࡗࡓ㸬⿕㦂⪅ࡣ㸪ᇶᮏⓗࡣ⦎⩦᭤ࡢ ཎ᭤ࢆ㏻ᖖ㏻ࡾ⦎⩦ࡍࡿࡇࢆ່ࡵ㸪ࡑࢀ㣬ࡁࡓࡽᥦ. ࣃࢱ࣮ࣥࡢᵓᡂ㡢ࡀ㸪ᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢࢥ࣮ ᡭἲࡢᴦ㆕ࢆ⏝ࡍࡿࡼ࠺ᩍ♧ࡋࡓ㸬ࡓࡔࡋ㸪ࡇࡢ࠸᪉ ࢻᵓᡂ㡢࡛ᵓᡂࡉࢀࡿࡶࡢࢆ᥈ࡍ㸬ヱᙜࡍࡿල㇟༢ ࢆᙉไࡍࡿࢃࡅ࡛ࡣ࡞ࡃ㸪⮬ศࡢዲࡁ࡞ࡼ࠺ࡗ࡚ᵓࢃ ࣃࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ ࡞࠸ᣦ♧ࡋࡓ㸬ᐇ㦂୰㸪ᦠᖏ㟁ヰ➼ࡢ⏝ࡸ㸪ࢺࣞࡲ ᡤࡢకዌࡋ࡚᥇⏝ࡍࡿ㸬 ࡓࡣẼศ㌿ࡢࡓࡵࡢእฟࡣチྍࡋ㸪᪥ᖖⓗ࡞⦎⩦ࡢࡼ࠺ մ ճヱᙜࡍࡿ༢ࣃࢱ࣮ࣥࡶぢࡘࡽ࡞࠸ሙྜ㸪ᢳ㇟ ࡞Ẽศ࡛⦎⩦ࡋ࡚࠸ࡓࡔ࠸ࡓ㸬ࡓࡔࡋ㸪⪅ࡢヰࡣ ༢ࣃࢱ࣮ࣥࡢ᭱ึࡢ㡢ࡀᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢ チྍࡋࡓ㸬 ࢥ࣮ࢻࡢ᰿㡢࡞ࡿࡼ࠺ල㇟ࡋ㸪ල㇟ࡉࢀࡓ༢ ᚑ᮶ᡭἲࡢᐇ㦂࡛ࡣ㸪ᣦᐃࡉࢀࡓ⦎⩦᭤ࡢཎ᭤ࡔࡅࢆỴ ࣃࢱ࣮ࣥࡢᵓᡂ㡢ࡢ࠺ࡕ㸪ᙉᢿ㒊ࢥ࣮ࢻᣦᐃࡀ࠶ ࡵࡽࢀࡓ㛫⦎⩦ࡋ࡚࠸ࡓࡔ࠸ࡓ㸬ࡑࢀ௨እࡣ㸪ᥦᡭἲ ࡿᢿࡢ㡢ࡣࢥ࣮ࢻࡢᵓᡂ㡢࡛ᵓᡂࡉࢀ㸪ᙅᢿ㒊ࡢ㡢ࡣ ࡛ࡢᐇ㦂᮲௳ྠࡌ࡛࠶ࡿ㸬 ࣦ࢙ࣛࣈ࣭ࣝࣀ࣮ࢺ࣭ࢫࢣ࣮ࣝྵࡲࢀࡿ㡢࡛ᵓ ᡂࡉࢀࡿ༢ࣃࢱ࣮ࣥࢆ᥈ࡋ㸪ヱᙜࡍࡿල㇟༢ࣃ. ᐇ㦂ࡢᡭ㡰⏝ࡋࡓ⦎⩦᭤ࢆ⾲ 1 ♧ࡍ㸬ᐇ㦂ࡣ㸪ࡑ. ࢱ࣮ࣥࡀぢࡘࢀࡤ㸪ࡑࢀࢆᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡢ. ࢀࡒࢀ 1 㛫 10 ศࡽ 1 㛫 30 ศ㸪ྜィ 2 㛫 20 ศࡽ. కዌࡋ࡚᥇⏝ࡍࡿ㸬 յ ௨ୖࡍ࡚ࡀྍ⬟࡞ሙྜ㸪ᙜヱ࠶࡚ࡣࡵᑐ㇟⟠ᡤࡍ ࡚ࡣఇ➢ࡍࡿ㸬. 3 㛫⾜ࢃࢀࡓ㸬⿕㦂⪅ A㸪B㸪C ࡘ࠸࡚ࡣྠࡌ᪥ࡢ࠺ࡕ 2 ࡘࡢᐇ㦂ࢆ⾜ࡗࡓ㸬A B ࡣ㸪ඛᚑ᮶ᡭἲ࡛⦎⩦ ࡋ࡚ࡶࡽ࠸㸪ఇ᠁ࢆ 10 ศࡣࡉࢇࡔᚋᥦᡭἲ࡛⦎⩦ࡋ࡚. ୰㛫ᆺࡣకዌ㔜どᆺ⦎⩦㔜どᆺࡢ 2 ࡘࡢࣝࢦࣜࢬ࣒. ࡶࡽࡗࡓ㸬୍᪉ C ࡣ㸪ඛᥦᡭἲ࡛㸪ᚋ༙ᚑ᮶ᡭἲ. ࢆࡅྜࢃࡏࡓࡶࡢ࡛࠶ࡿ㸬. ࡛⦎⩦ࢆ⾜ࡗ࡚ࡶࡽࡗࡓ㸬⿕㦂⪅ D ࡘ࠸࡚ࡣ㸪ඛᚑ᮶. ᅗ 4 ࡢ⿕కዌᴦ᭤ᅗ 3 ࡢࣃࢱ࣮ࣥࢆ࠶࡚ࡣࡵࡿ⡆༢࡞. ⓒ 2015 Information Processing Society of Japan. ᡭἲ࡛⦎⩦ࡋ㸪ࡑࡢ⩣ࠎ᪥ᥦᡭἲ࡛⦎⩦ࡋ࡚ࡶࡽࡗࡓ㸬. 5.
(6) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ⾲ 1 ᐇ㦂ࡢ㡰ᗎ Table 1 Procedure of experiments ⿕㦂⪅. A. B. C. D. ๓༙ (D ࡣึ᪥). ᚑ᮶ᡭἲ. ᚑ᮶ᡭἲ. ᥦᡭἲ. ᚑ᮶ᡭἲ. ᚋ༙ (D ࡣᚋ᪥). ᥦᡭἲ. ᥦᡭἲ. ᚑ᮶ᡭἲ. ᥦᡭἲ. ⦎⩦᭤. ࢡࣟࢶ࢙ࣝ 2 ࢝ࢨ࣮4 ␒ ␒ ( ࢚ ࢳ ࣗ ࣮ (࢚ࢳ࣮ࣗࢻ) ࢻ㸧. సᡂࡋࡓక ዌᩘ. 2. ࢡ ࣟ ࢶ ࢙ ࣝ ࣮࢝ࣝࣇࣞࢵ 10 ␒ ( ࢚ ࢳ ࣗ ࢩ ࣗ ( ࢫ ࢣ ࣮ ࣝ) ࣮ࢻ). 3. 3. 2. ⦎⩦୰ࡢᵝᏊࡣࡍ࡚㘓⏬ࡋ㸪ᐇ㦂⤊ᚋࡣࣥࢣ࣮ࢺ ࣥࢱࣅ࣮ࣗ⟅࠼࡚ࡶࡽࡗࡓ㸬ࡲࡓ㸪⿕㦂⪅ C 㛵ࡋ ࡚ࡣ㸪ᐇ㦂୰ࡢᥦᡭἲ࡛ࡢ⦎⩦㛫ࡀᴟ➃▷ࡗࡓࡓ ᅗ 6 ⾜ືศᯒࡢ⤖ᯝ. ࡵ㸪ᐇ㦂⤊ᚋᗘᥦᡭἲ࡛ࡢ⦎⩦ࢆồࡵ㸪ࣥࢣ࣮. Figure 6 Results of behavior analyses. ࢺࣥࢱࣅ࣮ࣗ⟅࠼࡚ࡶࡽࡗࡓ㸬 5.2. ᐇ㦂⤖ᯝ. ᙳࡋࡓࣅࢹ࢜ࢹ࣮ࢱࢆࡶ㸪⿕㦂⪅ࡢ⾜ືࢆ₇ዌ⾜ ㏻䛧䛾⦎⩦䛧䛛䛷䛝䛺䛔䛾䛜᎘䛰. Ⅽ㸪⦎⩦ෆసᴗ㸪⦎⩦እసᴗ㸪ࢩࢫࢸ࣒ࡢㄪᩚࡲࡓࡣ᫂. ᙎ䛝䛺䛜䜙䛾㡢ᴦ䛜ὶ䜜䛶䛔䜛䛸㞟୰䛷䛝䛺䛔. ୍ᅇ㝈䜚䛾⏝䛷⤊䜟䜚䛭䛖. 㛫⛊༢࡛ࡾศࡅ㸪ࡑࡢྜィ㛫ࢆィ ࡋࡓ㸬ᅗ 䛭䜒䛭䜒కዌ䛻䛺䛳䛶䛔䛺䛔䛾䛷䛴䜎䜙䛺䛔. 6 㸪⿕㦂⪅ẖࡢᚑ᮶ᡭἲᥦᡭἲࡑࢀࡒࢀ࠾ࡅࡿ㸪. ୖ㐩䛻䛴䛺䛜䜙䛺䛔䛾䛷ከ⏝䛧䛯䛟䛺䛔. ྛసᴗࡀ༨ࡵࡓྜࢆ♧ࡍ㸬ࡇࡇ࡛₇ዌ⾜Ⅽࡣ㸪ࢳ࣮ࣗ ඖ䛾䜔䛴䜘䜚㞴䛧䛟䛶ᙎ䛡䛺䛔. ࢽࣥࢢࢆ㝖ࡃ㸪ᘪࢆ⏝࠸࡚ࣂ࡛࢜ࣜࣥ㡢ࢆฟࡋ࡚࠸ࡿ≧. ༙ᙉไⓗ䛻㏻䛩䛣䛸䛷䝯䝸䝑䝖䜢ឤ䛨䜛. ែ࡛࠶ࡾ㸪ᥦᡭἲࡢᐇ㦂࡛ࡣ⏕ᡂࡋࡓకዌ㆕ࢆ⏝࠸࡚࠸. ᬑẁ䛾⦎⩦䛷ከ⏝䛧䛶䛔䛝䛯䛔 ୖ㐩䛩䜛䛣䛸䛜䛷䛝䛭䛖䛰. ࡿሙྜ㸪ᣦᐃࡉࢀࡓ⦎⩦᭤ࡢཎ᭤ᴦ㆕ࢆ⏝࠸࡚࠸ࡿሙྜ ᙎ䛝䛺䛜䜙㡢ᴦ䜢⫈䛡䜛䛣䛸䛜Ⰻ䛔. ศࡅ࡚♧ࡋ࡚࠸ࡿ㸬⦎⩦ෆసᴗࡣ⦎⩦ࡢࡓࡵᚲせ ⦎⩦䜢ᴦ䛧䛟䛷䛝䛯. ᛮࢃࢀࡿ⾜Ⅽ࡛࠶ࡾ㸪ᴦ㆕ࢆ═ࡵࡿ㸪ࢳ࣮ࣗࢽࣥࢢ㸪ᣦ. ᬤ䛴䜆䛧䛻䛺䜛. ࡢయ᧯㸪Ỉศ⿵⤥➼ࡢືసࢆྵࡵࡿ㸬⦎⩦እసᴗࡣ㸪⦎. ᬑ㏻䛻⦎⩦䛩䜛䜘䜚䛿⦎⩦䛻㣬䛝䛻䛟䛔 0. ⩦ᚲせ࡞࠸ᛮࢃࢀࡿ⾜Ⅽ࡛࠶ࡾ㸪ᦠᖏࡢ᧯స㸪Ẽศ㌿ ➼┦ᙜࡍࡿ㸬ㄪᩚࡣ㸪⿕㦂⪅ࡀㄗࡗࡓ᧯సࢆ⾜ࡗࡓ. ᅗ 7 ࣥࢣ࣮ࢺࡢ⤖ᯝ. ࡇࡼࡿಟṇసᴗ࡛࠶ࡿ㸬࡞࠾㸪A 㛵ࡋ࡚ࡣᥦᡭἲ. Figure 7 Results of inquiry. 1. 2. 3. 4. ࡛ࡢᐇ㦂࠾࠸࡚㸪࣓࢝ࣛࡢලྜࡼࡿ୍㒊ヲ⣽ࡀ᫂ ࡓ࠸࠺ࡇ㸪ࢫࢣ࣮ࣝࡢ࠸㐨ࢆឤࡌࡿࡇࡀ࡛ࡁࡓ ࡞㛫ࡀ࠶ࡿ㸬 ᅗ 7 ࣥࢣ࣮ࢺࡢ⤖ᯝࢆ♧ࡍ㸬⦪㍈ࡣ㉁ၥ㡯┠࡛࠶ࡾ㸪. ㏙ࡓࡶࡢࡢ㸪┠ⓗព㆑ࢆኻ࠺⦎⩦ຠ⋡ࡀᝏࡃ࡞ࡾࡑ ࠺ࡔࡶ㏙ࡓ㸬. ᶓ㍈ࡣྛ㉁ၥ㡯┠ᑐࡋ࡚ࠕࡑ࠺ᛮ࠺ࠖ ࠕࡸࡸࡑ࠺ᛮ࠺ࠖ 5.3. ⪃ᐹ. ᅇ⟅ࡋࡓ⿕㦂⪅ࡢேᩘ࡛࠶ࡿ㸬࡞࠾㸪ู㏵⏝ពࡋࡓ⮬⏤グ ⾜ືศᯒࡢ⤖ᯝ㸪ᥦᡭἲࢆ⏝࠸ࡓሙྜ⦎⩦እసᴗࡀ ㏙㡯┠࡛ࡣ㸪 ࠕ࢚ࢳ࣮ࣗࢻࡢ⏝࡛ຠᯝⓗ࡛࠶ࡿࠖ㸪 ࠕ⮬ศࡢ ࡍ࡚ࡢ⿕㦂⪅ࡘ࠸࡚ῶᑡࡋࡓࡇ㸪⿕㦂⪅ C D ࡛ࡣ 㡢ࢆࡼࡃ⫈࡞࠸࠸ࡅ࡞࠸㸦ᙎࡅ࡞࠸)ࠖ࠸࠺ࡇࡘ ₇ዌ⾜Ⅽࡀቑຍࡋ㸪⿕㦂⪅ B ࡛ࡶ₇ዌ⾜Ⅽࡢྜࡣᚑ᮶ᡭ ࠸࡚᭩ࢀ࡚࠸ࡓ㸬 ἲẚ࡚ࡰྠࡌࡔࡗࡓࡇࡽ㸦⿕㦂⪅ A ࡢᥦᡭἲ ᐇ㦂⤊ᚋࡢࣥࢱࣅ࣮࡛ࣗࡣ㸪⿕㦂⪅ᥦᡭἲࡢឤ ࡢࣅࢹ࢜ࢹ࣮ࢱࡣࢺࣛࣈ࡛ࣝࡔࡗࡓࡓࡵ㸪᳨ドᑐ㇟ ࢆ㏙࡚ࡶࡽࡗࡓ㸬A ࡣ⤊ࢃࡾࡢ㛫ࢆẼࡏࡎ࡛ࡁ ࡓ㏙㸪B ࡣకዌࣃ࣮ࢺࡢ୍㒊㐪ឤࡀ࠶ࡗࡓࡶࡢࡢ㸪. ࡛ࡁ࡞࠸㸧㸪ᥦᡭἲࢆ⏝࠸ࡿࡇ࡛⦎⩦⾜Ⅽࡼࡾ㞟 ୰࣭ὀຊࡍࡿࡇࡀ࡛ࡁࡿࡼ࠺࡞ࡗࡓ࠸࠼ࡿ㸬୍᪉㸪. ᴦࡋࡃ⦎⩦࡛ࡁࡓ㏙ࡓ㸬C ࡣᥦᡭἲ࡛ࡢᐇ㦂ࡶ㸪 ᥦᡭἲࢆ⏝࠸ࡓሙྜ㸪⦎⩦ෆసᴗࡶࡍ࡚ࡢ⿕㦂⪅࡛ቑ ⦎⩦᭤ࡢཎ᭤ࡢ⦎⩦ᑐࡍࡿ㞟୰ຊࢆ⥔ᣢ࡛ࡁࡓࡢ࡛㸪⏕ ࠼࡚࠸ࡿ㸬ࡇࢀࡣ㸪⏕ࣉ࣮ࣞࣖࡢ᧯స㛫ࡀᚲせ࡞ࡿ ᡂకዌ㆕ࡣࢇ⏝ࡉࢀ࡞ࡗࡓ㸬ࡑࡇ࡛ᐇ㦂⤊ᚋ ࡇ࡞ࡼࡿᛮࢃࢀࡿ㸬 ⏕ᡂకዌ㆕ࢆ⏝ࡋ࡚ࡶࡽࡗࡓࡇࢁ㸪ᴦࡋࡵ࡚ᙎࡅࡿ㸪 ࣥࢣ࣮ࢺࡽࡣ㸪⦎⩦ࡢ㏥ᒅࡉࡀᥦᡭἲࡼࡗ࡚ ࢸ࣏ࣥࡢ⦎⩦ࡶ࡞ࡾ㸪࣓ࢺࣟࣀ࣮࣒ࡼࡾࡶⰋ࠸⟅࠼ࡓ㸬 D ࡣ㸪ᚑ᮶ᡭἲࡼࡾࡶᥦᡭἲࡢ᪉ࡀ⦎⩦㛫ࢆ㛗ࡃ࡛ࡁ. ⓒ 2015 Information Processing Society of Japan. ࡽ࠸࡛࠸ࡿ㸦ࠕᬤࡘࡪࡋ࡞ࡿࠖ 㸸3㸪 ࠕ⦎⩦ࢆᴦࡋࡃ࡛ࡁࡓࠖ 㸸. 6.
(7) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2015-HCI-162 No.11 2015/3/13. ࠕᙎࡁ࡞ࡀࡽ㡢ᴦࢆ⫈ࡅࡿࡇࡀⰋ࠸ࠖ:3㸪 ࠕᬑ㏻⦎⩦ 4㸪. E ࡣᴦࡋࢇ࡛ᙎࡃࡇࡀ࡛ࡁࡓ㸪࠸ࢁ࠸ࢁ࡞⦎⩦᪉ἲࢆ. ࡍࡿࡼࡾࡣ⦎⩦㣬ࡁࡃ࠸ࠖ㸸3㸧ࡇࡀ♧ࡉࢀࡓ㸬ࡋ. ᥦ♧ࡍࡿ⤌ࡳࡀ࠶ࡿࡶࡗ㠃ⓑࡃ㸪⦎⩦࡞ࡿࡶࡋ. ࡋ࡞ࡀࡽ㸪 ࠕ㏻ࡋࡢ⦎⩦ࡋ࡛ࡁ࡞࠸ࠖࡇࡘ࠸࡚‶ࡀ. ࢀ࡞࠸ឤࡌࡓ㸪࡞㏙ࡓ㸬. ࠶ࡗࡓ㸦2 ྡ㸧㸬. F ࡣ୍㒊ࡢࣃࢱ࣮࡛ࣥ⛣ᘻࡀᅔ㞴࡞ࡶࡢࡀᏑᅾࡋࡓ㸪㏵. ࣥࢱࣅ࣮ࣗࡽࡣ➹⪅ࡽࡀணࡋ࡚࠸࡞ࡗࡓࢥ࣓ࣥ. ୰࡛㣬ࡁ࡚ࡋࡲࡗࡓ㸦㞴ࡋࡍࡂࡿకዌࡀ⏕ᡂࡉࢀࡓࡇ. ࢺࡶ࠶ࡾ㸪ࢸ࣏ࣥ㛵ࡍࡿࡇࡸࢫࢣ࣮ࣝࡢ࠸㐨࡞㸪. ࡼࡗ࡚ᙎࡅ࡞ࡗࡓࡓࡵ㸧㸪ఱ 1 ࡘ࡛ࡁࡿࡼ࠺࡞ࡗࡓࡇ. ᥦᡭἲࡢ᪂ࡓ࡞ྍ⬟ᛶࡀぢ࠼ࡓ㸬ࡋࡋ㸪కዌࣃ࣮ࢺ. ࢆࡼࡾᐇឤ࡛ࡁࡿ㸪᭦ࣔࢳ࣮࣋ࢩࣙࣥࡀୖࡀࡿឤ. ᑐࡋ࡚㐪ឤࡀ࠶ࡗࡓࡇࡸ㸪⦎⩦ຠ⋡ࡢᝏྍ⬟ᛶ㛵. ࡌࡓࡓࡵ㸪ᑗ᮶ⓗࡑ࠺࠸ࡗࡓఱࡽࡢᶵ⬟ࡶቑࡸࡋ࡚. ࡍࡿࢥ࣓ࣥࢺࡶ࠶ࡿࡓࡵ㸪ᨵၿࡍࡿࡁㄢ㢟ࡶከࡃฟࡓ㸬. ࡋ࠸㸪࡞㏙ࡓ㸬. యⓗࡢศᯒࡽࡶ⦎⩦ពḧࡀྥୖࡋࡓࡇࡀ♧ࡉ. 6.3. ࢀ㸪ᥦᡭἲࡢ᭷⏝ᛶࡀ᫂ࡽ࡞ࡗࡓ㸬. 6. ᐇ㦂 2㸸ࢩࢫࢸ࣒ࡢホ౯. ⪃ᐹ. ࡍ࡚ࡢ⿕㦂⪅࡛ඹ㏻ࡋ࡚㡢㐪ឤࡣ࡞࠸⟅࠼ࡓ ࡇࡽ㸪ࢩࢫࢸ࣒ࡼࡗ࡚ࡶᚲせ༑ศ࡞㉁ࡢకዌࢆ⏕ᡂ ࡍࡿࡇࡀ࡛ࡁࡓゝ࠼ࡿ㸬ࡲࡓ㸪⦎⩦⮬యࡶᴦࡋࢇ࡛₇. ᥦᡭἲࢆඖࡋࡓࢩࢫࢸ࣒ࢆᐇࡋ㸪ࡑࡢホ౯ࢆ⾜ࡗ ዌࡍࡿࡇࡀ࡛ࡁࡓࡍࡿホ౯ࢆᚓࡿࡇࡀ࡛ࡁ㸪⦎⩦ព ࡓ㸬〇సࡋࡓࢩࢫࢸ࣒ࡣకዌ㔜どᆺࡢࣝࢦࣜࢬ࣒ࡢࡳࢆ ḧࡢ⥔ᣢ㸪ྥୖ㈉⊩࡛ࡁࡓゝ࠼ࡿ㸬 ᐇࡋ㸪ᴦ㆕ࡢ⾲♧ࡣᐇ㦂 1 ࡛⏝࠸ࡓࡶࡢྠᵝࡢࢯࣇࢺ. ࡋࡋ㸪ㄢ㢟ࡶከࡃᣦࡉࢀࡓ㸬࠼ࡤ㸪⏕ᡂࡉࢀࡿక. ࢆ⏝࠸࡚ࡢᐇ㦂ࢆ⾜ࡗࡓ㸬ᐇ㦂ࡣ 3 ྡࡢࣂ࢜ࣜࣥ₇ዌ. ዌࡀ㸪⌧≧࡛ࡣ࢚ࢳ࣮ࣗࢻࡈ࠶ࡲࡾᕪ␗ࡀ↓࠸ࡶࡢ. ⪅ B, E, F ⿕㦂⪅ࡋ࡚༠ຊࡋ࡚࠸ࡓࡔ࠸ࡓ㸬࡞࠾㸪⿕㦂. ࡞ࡃ࡞ࡗ࡚ࡋࡲ࠺ࡇࡸ㸪ఇ➢ࡀከࡃ⏕ᡂࡉࢀࡇ࡞࡛. ⪅ B ࡣ㸪ᐇ㦂 1 ࡢ⿕㦂⪅ B ྠ୍ே≀࡛࠶ࡿ㸬. ࠶ࡿ㸬ࡇࢀࡽ㛵ࡋ࡚ࡣ㸪ᅇ⏝ࡋࡓకዌ㔜どᆺࡢࣝ. 6.1. ࢦࣜࢬ࣒࡛ࡣ㸪ࢥ࣮ࢻࢺ࣮࡛ࣥᵓᡂࡉࢀࡿࣃࢱ࣮ࣥࡋ. ᐇ㦂᪉ἲ. ᐇ㦂 1 ࡢࡣ␗࡞ࡾ㸪ᅇࡣࢩࢫࢸ࣒ࢆ⏝ࡋࡓ⦎⩦. ⏝࡛ࡁࡎ㸪㐺⏝࡛ࡁࡿࣃࢱ࣮ࣥࡀᑡ࡞࠸ࡇࡼࡿࡶࡢ. ࡢࡳࢆ⾜ࡗ࡚ࡶࡽࡗࡓ㸬ࢩࢫࢸ࣒ࢆ⏝ࡋࡓᐇ㦂ࢆ⣙ 40. ᛮࢃࢀࡿ㸬ࡲࡓ㸪ࢩ࣮ࣕࣉࡀከ࠸ㄪࡀ⏕ᡂࡉࢀࡿࡢࡣ㸪㌿. ศ⾜࠸㸪ࡑࡢᚋឤ࡞ࢆ⫈ࡃࣥࢱࣅ࣮ࣗࢆ⾜ࡗࡓ㸬 ㄪࡢ㝿㉳ࡇࡿ⌧㇟࡛࠶ࡿ㸬F ࡢࢥ࣓ࣥࢺ࠶ࡿ⛣ᘻࡀᅔ ⿕㦂⪅ࡓࡕࡣ㜵㡢ᐊ࡚ࢩࢫࢸ࣒ࢆࣥࢫࢺ࣮ࣝࡋࡓ 㞴࡞ࡇ㛵ࡋ࡚ࡣ㸪࠶ࡿ༢ࣃࢱ࣮ࣥࡽḟࡢ༢ࣃࢱ PC ࢆ࠼ࡽࢀࡓࡔࡅ࡛࠶ࡾ㸪᧯సࡣ 1 ே࡛⾜ࡗ࡚ࡶࡽࡗࡓ㸬. ࣮ࣥ⛣ࡿ㝿㉳ࡇࡿ⛣ᘻࡘ࠸࡚㸪ࣂ࢜ࣜࣥࡢࢸࢡࢽ. ᧯స᪉ἲࡘ࠸࡚ࡣ๓ㄝ᫂ࢆ⾜ࡗࡓ㸬ᐇ㦂 1 ྠᵝ㸪. ࢵࢡୖ㸪㐠ᣦࡀ⮬↛ࡘ㞴ࡋ࠸ࡶࡢࡀ⏕ᡂࡉࢀࡓࡇ. ࣝࢦࣜࢬ࣒㸪కዌ⏕ᡂࡢ✀㢮ࡘ࠸࡚ࡣᐇ㦂๓ࡣㄝ᫂ ࡽ㉳ࡇࡗࡓࡇ࡛࠶ࡿ㸬ࡑࡢࡓࡵ㸪ࡼࡾṇ☜ゝ࠼ࡤ㸪ࡇ ࡋ࡚࠸࡞࠸ࡶࡢࡢ㸪ཎ᭤ࡣ↓࠸㡢ࡢࣃࢱ࣮ࣥࡀᏑᅾࡍࡿ ࡢࢥ࣓ࣥࢺࡣ⛣ᘻࡢၥ㢟࡛ࡣ࡞ࡃ㸪㐠ᣦࡢ㞴ࡋ࠸ࡶࡢࡀ⏕ ࡇࡣఏ࠼࡚࠶ࡿ㸬๓⿕㦂⪅ࡢዲࡳࡢ᭤ࢆㄪᰝࡋ㸪⿕ ᡂࡉࢀࡓ࠸࠺ࡇࡢၥ㢟࡛࠶ࡿ㸬 కዌᴦ᭤ࢆ 12 ᭤⏝ពࡋࡓ㸬ྛ⿕㦂⪅ࡣ㸪௵ពࡢ⿕కዌᴦ᭤. ᮏࢩࢫࢸ࣒ࡘ࠸࡚࡛ࡣ࡞࠸ࡀ㸪ᴦ㆕㛵ࡋ࡚㸪ᮏᐇ㦂. ࢆ⏝࡛ࡁࡿ㸬࢚ࢳ࣮ࣗࢻࡣ 3 ✀㢮㸦࢝ࢨ࣮1 ␒㸪࢝. ࡛⏝࠸ࡓ⏕ࣉ࣮࡛ࣞࣖࡣ㸪ᬑẁ⏝࠸ࡿࣂ࢜ࣜࣥࡢᴦ㆕. ࢨ࣮4 ␒㸪ࢡࣟࢶ࢙ࣝ 14 ␒㸧⏝ពࡋ㸪⿕㦂⪅ࡣ௵ពࡢ. ⾲♧ࡢ᪉ἲࡀࡁࡃ␗࡞ࡿࡓࡵ㸪ᐇ㝿ࡢ⏝ࢆ⪃࠼ࡿ㸪. ࢚ࢳ࣮ࣗࢻࢆ࠸ࡃࡘ࡛ࡶ⦎⩦ࡋ࡚ࡼ࠸ఏ࠼ࡓ㸬ࡑࡢ㸪 ᪂ࡓᮏࢩࢫࢸ࣒ᑓ⏝ࡢᴦ㆕⾲♧ࢯࣇࢺ࢙࢘ࢆసࡿࡁ ࢺࣞ㸪㣧㣗➼ࡢไ㝈ࡣ㸪ᐇ㦂 1 ྠ᮲௳࡛࠶ࡿ㸬 6.2. ᐇ㦂⤖ᯝ. ࡛࠶ࡿᛮࢃࢀࡓ㸬. 7. ᑓ㛛ᐙࡽࡢࢥ࣓ࣥࢺ. కዌࡢ㡢ᑐࡋ࡚㐪ឤࢆぬ࠼ࡿ⪺࠸ࡓࡇࢁ㸪ࡍ ࡚ࡢ⿕㦂⪅ࡀ㸪㐪ឤࡣぬ࠼࡞࠸ࡀ㸪␗࡞ࡿ࢚ࢳ࣮ࣗࢻ࡛. ➨ 6 ❶࡛㏙ࡓࢩࢫࢸ࣒ࢆࣂ࢜ࣜࣥࡢᑓ㛛ᐙぢࡏ㸪. ࡶఝࡓ᭤࡞ࡿ⟅࠼ࡓ㸬B E ࡣ㸪ࢩ࣮ࣕࣉࡀከ࠸ㄪࡀ. ホ౯ࢆ࠸ࡓࡔ࠸ࡓ㸬◊✲ࡢᴫせ㸪┠ⓗࢆㄝ᫂ࡋ㸪ࡑࡢᚋࢩ. ⏕ᡂࡉࢀࡓࡁ㞴ࡋࡃ࡚ᙎࡅ࡞࠸⟅࠼㸪E F ࡣ㆕㠃. ࢫࢸ࣒ࢆ⏝࠸࡞ࡀࡽࣝࢦࣜࢬ࣒➼ࡢㄝ᫂ࢆ⾜ࡗࡓ㸬ࡑࡋ. ࡀぢ࡙ࡽࡗࡓ㸪ᴦ᭤ࡼࡗ࡚ࡣఇ➢ࡀከࡃ࡞ࡿࡶࡢࡀ࠶. ࡚㸪ࢩࢫࢸ࣒ᑐࡋ࡚㸪ᑓ㛛ᐙ㸪࠶ࡿ࠸ࡣㅮᖌഃࡢ❧ሙ. ࡗࡓඹ㏻ࡋࡓ⟅࠼ࢆ㏙ࡓ㸬௨ୗ㸪⿕㦂⪅ࡈࡢ≉ᚩⓗ. ࡽ㸪⏕ᚐ⦎⩦ពḧࢆಖࡓࡏࡽࢀࡿឤࡌࡿ࠸࠺ࡇ. ࡞ࢥ࣓ࣥࢺࢆᢤ⢋ࡍࡿ㸬. ࡘ࠸࡚ホ౯ࡋ࡚࠸ࡓࡔ࠸ࡓ㸬ᮏホ౯ࡣ㸪ᮾிⱁ⾡Ꮫ㡢. B ࡣ㸪ࢩࢫࢸ࣒ࡼࡗ࡚⏕ᡂࡉࢀࡓཎ᭤࡞࠸ࣃࢱ࣮ࣥ. ᴦᏛ㒊ჾᴦ⛉༞ᴗ㸪୕ᐊᡞᏛᅬᮾ㑥㡢ᴦᏛ㝃ᒓ㧗ᰯ࡛㡢. ࡘ࠸࡚㸪୍㒊ࡢ㐠ᣦࡀ࡞ࡾ㞴ࡋ࠸ࣃࢱ࣮ࣥࡀࠎ⏕ᡂ. ᴦྐࡸ₇ዌἲ➼ࡢㅮᖌࢆົࡵࡿ㸪ᐑ㔛ဏᯞẶ౫㢗ࡋࡓ㸬. ࡉࢀ࡚ᙎࡅ࡞ࡗࡓ㸪ᐇ㦂 1 ẚࡿ㸪᭤ࡢࣞࣃ࣮ࢺࣜ. 7.1. ࣮ࡀቑ࠼㸪ࡑࡢሙ࡛ࡍࡄ⦅᭤࡛ࡁࡿࡇࡣⰋ࠸ࡶࡢࡢ㸪༢. ) ࠶ࡿ⛬ᗘᢏ⾡ࢆ㌟ࡅࡓேࡀఇ᪥Ẽ㍍࢚ࢳ࣮ࣗ. ㄪ࡞ᴦ㆕ࡀ⏕ᡂࡉࢀ࡚࠸ࡿឤࡌࡓ㸬≉㸪୍㒊ࡢࣇ࣮ࣞ. ࢻゐࢀ࡚⦎⩦ࡋࡓ࠸࠺‶㊊ឤࢆᚓࡿࡣ㠀ᖖ㐺. ࢬࡀከࡃࡢ㢖ᗘ࡛⌧ࢀࡓ㸪࡞㏙ࡓ㸬. ࡋ࡚࠸ࡿゝ࠼ࡿ㸬ࡓࡔࡋ㸪ᮏ᮶ࡢ࢚ࢳ࣮ࣗࢻࡀࠕᢏ. ⓒ 2015 Information Processing Society of Japan. ホ౯. 7.
(8) 情報処理学会研究報告 IPSJ SIG Technical Report. ⾡ࡢ⩦ᚓᐃ╔ࡢⅭࠖゝࢃࢀ࡚࠸ࡿࡇᑐࡋ࡚⪃. Vol.2015-HCI-162 No.11 2015/3/13. 8. ⤖ㄽ. ࠼ࡿ㸪ᙺࡸ┠ⓗࡣᑡࡋࡎࢀ࡚࠸ࡿ༳㇟ࢆཷࡅࡓ㸬 ᮏ◊✲࡛ࡣᴦჾࡢ⦎⩦ពḧࢆ⥔ᣢ࣭ྥୖࡍࡿࡇࢆ┠ⓗ ࣟ) ึᚰ⪅ྥࡅ࡞ࡢ㸪⇍⦎⪅ྥࡅ࡞ࡢࢃࡽࡎ㸪ᑐ㇟ ࡋ࡚㸪࣏ࣆ࣮࣑࣮ࣗࣛࣗࢪࢵࢡ࡞ࡢᴦ᭤ᑐࡋ࡚㸪ᇶ ࡀࡰࡸࡅ࡚ࡋࡲࡗ࡚࠸ࡿ㸬 ♏⦎⩦ࡢࡓࡵࡢ⦎⩦᭤ࡢせ⣲ࢆྵࢇࡔకዌࢆ⮬ືⓗ⦅ Ø ึᚰ⪅ࡢ㸪ึࡵ࡚࢚ࢳ࣮ࣗࢻゐࢀࡿேࡗ࡚ࡣ㞴 ᭤࣭ᥦ♧ࡍࡿ㸪ࣂ࢜ࣜࣥ⦎⩦ᣦྥకዌ⮬ື⦅᭤ࢩࢫࢸ࣒ ᗘࡀ㧗ࡍࡂࡿ㸬. Amuse étude ࢆᥦࡋ㸪ࡑࡢ᭷⏝ᛶࡢホ౯ࢆ⾜ࡗࡓ㸬ᐇ㦂. Ø ⇍⦎⪅ࡢࣔࢳ࣮࣋ࢩࣙࣥࡣ㸪ከࡃࡢሙྜ㸪ୖ㐩࡛ࡁࡿ ࡽࡣ㸪ᥦᡭἲࢆ⏝࠸ࡿࡇࡼࡗ࡚ࣂ࢜ࣜࣥ⦎⩦⪅ ႐ࡧࢆᚓࡽࢀࡿࡇ࡛࠶ࡿ㸬ࡋࡋ㸪ᮏࢩࢫࢸ࣒࡛ࡣ ࡢ⦎⩦ពḧࢆ⥔ᣢ࣭ྥୖࡉࡏࡿྍ⬟ᛶࡀ♧ࡉࢀ㸪ࡑࡢᡭἲ ୖ㐩ࡢಖドࢆᚓࡽࢀ࡞࠸ࡇࡽ㸪⇍⦎⪅ࢆࢱ࣮ࢤࢵ ࡢ⌧ࡶྍ⬟࡛࠶ࡿࡇࢆ♧ࡏࡓ㸬 ࢺࡍࡿࡣ㨩ຊࡀప࠸ࡶࡢ࡛࠶ࡿ㸬 ᚋࡣ㸪ࡲࡎṧࡾࡢకዌ⏕ᡂࡢࢱࣉࡢᐇ㸪ᮏࢩࢫ ࣁ) ࡇࡢࢩࢫࢸ࣒࡛ࡣ㸪⪺ࡃࡁ㡢ࡀ᫂☜࡞ࡗ࡚࠸࡞࠸㸬 ࢸ࣒ᑓ⏝ࡢᴦ㆕ࡢ⾲♧࣭༳ๅᶵ⬟ࡢసᡂࢆᐇࡋࡓ࠸㸬ࡑ ⦎⩦࠸࠺ほⅬࡽࡣ⮬ศࡢ㡢ࢆ⫈࡞ࡅࢀࡤ࡞ࡽ࡞ ࡢᚋ㸪కዌ㔜どᆺࡢタィࢆ᭦ᛂ⏝ࡋ㸪⿕㦂⪅ࡽࡸᑓ㛛ᐙ ࠸ࡀ㸪ࡢᴦჾࡢ࣓ࣟࢹࡀ⪺ࡇ࠼࡚ࡁ࡚ࡋࡲ࠺㸪 ࡢࢥ࣓ࣥࢺࢆཧ⪃ࡋ࡚㸪᪂ࡓ࡞⦎⩦ពḧࢆୖࡆࡿᶵ⬟ࢆ ⮬ศࡢ㡢ࢆ⫈ࡃព㆑ࡀⷧࢀ࡚ࡋࡲ࠺㸬≉㸪ࢫࢣ࣮ࣝ ᥦࡋ㸪ᮏࢩࢫࢸ࣒⤌ࡳ㎸ࡳࡓ࠸⪃࠼࡚࠸ࡿ㸬 ࡣ㡢⛬ࢩࣥࣉࣝྥࡁྜ࠺⦎⩦࡛࠶ࡾ㸪ᑡ࡞ࡃࡶ ㅰ㎡ ᮏ◊✲࡛ࡢㄪᰝ࣭ᐇ㦂ࡈ༠ຊ㡬࠸ࡓⓙᵝ㸪ㅽ ᡃࠎ㸦ࣉࣟ㸧ࡣࡢ࣓ࣟࢹࢆ⫈ࡁ࡞ࡀࡽࡸࡿࣔࣀ࡛ ࢇ࡛ឤㅰࡢពࢆ⾲ࡍࡿ㸬 ࡣ࡞࠸ឤࡌ࡚࠸ࡿ㸬ࡋࡋ㸪㊃࡛ᙎࡃேࡣఱ✀. . 㢮ࡶࡢ㡢㝵ࢆᙎ࠸࡚࠾ࡃᏳᚰࡍࡿேࡶ࠸ࡿᛮࢃࢀ ࡿࡇࡽ㸪ࡑ࠺࠸ࡗࡓேࡣⰋ࠸ࢹ࡞ࡢࡶ ࡋࢀ࡞࠸㸬 ࢽ) ᨵⰋࡋ࡚ᐇ⏝ࡉࢀࡿࡢࢆᴦࡋࡳࡋ࡚࠸ࡿ㸬 7.2. ⪃ᐹ. ()ࡢࢥ࣓ࣥࢺ㛵ࡋ࡚㸸ᮏࢩࢫࢸ࣒ࡣ㡢ᴦࢆ㊃࡛⾜ ࡗ࡚࠸ࡿேࢆᑐ㇟ࡋ࡚࠸ࡿࡓࡵ㸪ࡑࢀࡽࡢேࡣ㐺ࡋࡓ ࢩࢫࢸ࣒ࡔゝ࠼ࡿ㸬ࡋࡋ㸪࢚ࢳ࣮ࣗࢻࡢᮏ᮶ࡢព㸪 ᙺࡽࡎࢀ࡚࠸ࡿ࠸࠺ࡇࡣ⏝⪅ࡶㄆ㆑ࡋ࡚࠾ࡃ ࡁษ࡞㡯࡛࠶ࡿ㸬 (ࣟ)㛵ࡋ࡚㸸ึᚰ⪅ࢆᑐ㇟ࡍࡿሙྜࡣぢ័ࢀ࡚࠸࡞ ࠸ᴦ㆕ࢆㄞࡳྲྀࡿ⬟ຊࡀప࠸ࡇࢆ⪃៖ࡍࡿᚲせࡀ࠶ࡾ㸪 ⇍⦎⪅㛵ࡋ࡚ࡣ㸪➨ 6 ❶ࡢ⿕㦂⪅ F ࡢࢥ࣓ࣥࢺࡶ࠶ࡿ ࡼ࠺㸪ఱୖ㐩ࢆᐇឤ࡛ࡁࡿࡼ࠺࡞ᡭἲࡸ㸪ୖ㐩ࡢᗘྜ ࠸ࢆලయⓗ࡞ᩘᏐ࡛⾲ࡋ࡚ࡃࢀࡿᡭἲࢆ᪂ࡓ⪃࠼ࡿᚲせ ࡀ࠶ࡿࡇࡀ♧၀ࡉࢀࡓ㸬 (ࣁ)ࡢࢫࢣ࣮ࣝ㛵ࡍࡿࢥ࣓ࣥࢺ㛵ࡋ࡚㸸ࣉࣟࢆ┠ᣦ ࡍேࡗ࡚ࡣࡇࡢࢩࢫࢸ࣒ࢆ⏝࠸࡚ࢫࢣ࣮ࣝࡢ⦎⩦ࢆࡍ ࡿࡇࡣ᫂☜ࡼࡃ࡞࠸࠸࠼ࡿࡀ㸪㊃࡛⾜࠺ேࡗ ࡚ࡣᏳᚰࢆᚓࡽࢀࡿࡢ࡛ࡣ࡞࠸࠸࠺ホ౯ࢆᚓࡓ㸬ࡇࡢ ࡇࡽ㸪ᮏࢩࢫࢸ࣒࡛ࡢࢫࢣ࣮ࣝࡢ⦎⩦ࡣ㸪ᚲࡎࡋࡶᝏ ࠸ഃ㠃ࡔࡅࢆࡶࡗ࡚࠸ࡿࢃࡅ࡛࡞࠸࠸࠼ࡿ㸬ࡋࡋ㸪➹ ⪅ࡋ࡚ࡣᐃࡋࡓタィࡢពᅗࡑࡄࢃ࡞࠸⤖ᯝ࡞ࡗࡓ ࡇࡽ㸪᪂ࡓࢫࢣ࣮ࣝ⏝ࢩࢫࢸ࣒ࢆ⪃ࡍࡿᚲせࡀ ࠶ࡿࡇࢆឤࡌࡓ㸬 (ࢽ)ࡢࢥ࣓ࣥࢺ㛵ࡋ࡚㸸ࡇࡢࢩࢫࢸ࣒ᑐࡋ࡚㠃ⓗ ྰᐃࡋ࡚࠸ࡿࢃࡅ࡛ࡣ࡞࠸ࡀ㸪ࡼࡾࣂ࢜ࣜࣥࡢୖ㐩ᙺ ❧࡚ࡿࡼ࠺࡞ࢩࢫࢸ࣒ᨵⰋࡋ࡚ࡋ࠸࠸࠺๓ྥࡁ࡞. ཧ⪃ᩥ⊩ ⥲ົ┬⤫ィᒁ: ᖹᡂ 23 ᖺ♫⏕άᇶᮏㄪᰝ http://www.stat.go.jp/data/shakai/2011/index.htm#kekka (2011). 2) Chika Oshima, Kazushi Nishimoto and Norihiro Hagita: A Piano Duo Support System for Parents to Lead Children to Practice Musical Performances, ACM Transactions on Multimedia Computing, Communications and Applications (ACM TOMCCAP), Vol.3, Issue 2, Article 9, 2007. 3) Jun Yin, Ye Wang and David Hsu: Digital violin tutor: an integrated system for beginning violin learners, Proc. of the ACM Multimedia 2005, pp. 976-985, 2005 4) ᴬཎ⤮㔛, ᐑୗⰾ᫂: ࣦ࢜ࣜࣥึᚰ⪅ࡢࡓࡵࡢ↓ 㡢㐠ᣦ⦎⩦ᨭࢩࢫࢸ࣒㸪࢚ࣥࢱࢸ࣓ࣥࣥࢺࢥࣥࣆ࣮ࣗ ࢸࣥࢢ 2011 ண✏㞟㸪pp.235-237㸪2011. 5) Keiji Hirata, Satoshi Tojo, and Masatoshi Hamanaka: Melodic Morphing Algorithm in Formalism, Mathematics and Computation in Music: Lecture Notes in Computer Science Vol. 6726, pp 338-341, 2011 6) ᰁ▮ࡉࡽࡽ, Ᏻ⸨ᆅ, ➟ཎಙ୍: ࣓ࣟࢹ࣮࣮ࣔࣇ ࣥࢢᡭἲࢆ⏝࠸ࡓึᏛ⪅ྥࡅࡢస᭤ᨭࢩࢫࢸ࣒, ࣥ ࢱࣛࢡࢩࣙࣥ 2014 ㄽᩥ㞟, pp.285-288, 2014. 7) ⩧, ୰㞞ಇ: "⦅᭤సᴗࡢ⣔ิศᯒ࣭࣮࢜ࢣࢫ ࢺࣛ㆕ࡽࣆࣀ㆕ࡢኚ", ሗฎ⌮Ꮫᅜ , 09-IPSJ-71-2, pp.2.227-2.228 2009 8) SC Chiu, MK Shan and JL Huang: Automatic System for Arrangement of Piano Reduction, Multimedia, ISM.2009.105, pp.459-464, 2009. 9) MIDI ࢩ࣮ࢣࣥࢧ࣮ࢯࣇࢺࠕୡ⏺ᶞࠖ 㸪 http://openmidiproject.sourceforge.jp/Sekaiju.html 10) ࣐ࣖࣁᰴᘧ♫㸸XF ࣇ࢛࣮࣐ࢵࢺᵝ᭩㸪 http://download.yamaha.com/api/asset/file/?language=ja&site=j p.yamaha.com&asset_id=45941 11) 㡢 ᴦ ࢹ ࣮ ࢱ ࢩ ࣙ ࢵ ࣉ 㸪 https://www.music-eclub.com/musicdata/ 1). ࢥ࣓ࣥࢺࢆ᭱ᚋ࠸ࡓࡔ࠸ࡓ㸬. ⓒ 2015 Information Processing Society of Japan. 8.
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