Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Report

Songle: Web ্ͷָ‫ۂ‬ͷத਎ΛԻָཧղٕज़Ͱਪఆ͢Δ
ೳಈతԻָؑ৆αʔϏε‫ޙ‬౻ ਅ޹1,a)٢Ҫ ࿨Ղ1,b)த໺ ྙ༃1,c)֓ཁɿຊߘͰ͸ɼԻָԻ‫ڹ‬৴߸ཧղٕज़ʹΑͬͯԻָͷௌ͖ํΛΑΓ๛͔ʹ͢ΔͨΊͷೳಈతԻָؑ৆αʔϏε Songle ʹ͍ͭͯɼ2012 ೥ 8 ݄Ҏ߱ͷओͳਐలΛใࠂ͢ΔɽWeb ্ͷԻָίϯςϯπͱͯ͠ɼैདྷͷMP3 ‫͘ͳͰ͚ͩࣜܗ‬ಈը‫ڞ‬༗αʔϏε্ͷಈը‫ࣜܗ‬ͷָ‫ʹۂ‬΋ରԠ͠ɼͦͷԻָ৘‫هܠ‬ड़ʢαϏɼϏʔτɼϝϩσΟɼίʔυʣΛԻָཧղٕज़Ͱਪఆͯ͠ɼैདྷͷʮԻָ஍ਤʯʹʮϏδϡΞϥΠβʯ΋Ճ͑ͨೋछྨͷදࣔํ๏ͰՄࢹԽՄೳʹͳͬͨɽࣗಈਪఆͷ‫ޡ‬ΓΛਓखͰగਖ਼͢ΔΠϯλϑΣʔεΛఏ‫͖ͨͯ͠ڙ‬͕ɼಉҰͷָ‫͕ۂ‬ෳ਺ొ࿥͞Ε͍ͯͯ΋ɼͦΕΒΛࣗಈతʹඥ෇͚Δ͜ͱͰɼͦͷҰͭΛϢʔβ͕గਖ਼͢Δ͚ͩͰΑ͘ͳͬͨɽ͞Βʹɼίʔυਐߦͷ‫ػࡧݕ‬ೳ΍ɼԻָ৘‫هܠ‬ड़Λଞͷ Web αʔϏε͔Β‫ͯ͠༻׆‬࿈‫͖Ͱܞ‬Δ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳɼর໌౳ͷ࣮ੈքσόΠεΛԻָʹ࿈ಈ੍ͯ͠‫͢ޚ‬Δ‫ػ‬ೳ΋࣮‫͠ݱ‬ͨɽࠓ‫ޙ‬΋Ϣʔβͷ໾ʹཱͪͭͭԻָཧղٕज़ͷී‫ൃͱٴ‬లΛ໨ࢦ͍ͯ͘͠ɽ

1. ͸͡Ίʹ
Իָཧղٕज़͸ɼਓʑͷԻָͷௌ͖ํΛ๛͔ʹ͢Δ͜ͱ
͕Ͱ͖ΔɽͦΕΛ࣮ূ͠ɼ೔ৗੜ‫Ͱ׆‬ਓʑʹମ‫ͯ͠ݧ‬΋Β͏ͨΊʹɼຊ‫Ͱڀݚ‬͸ೳಈతԻָؑ৆αʔϏεʮSongleʢιϯάϧʣʯ(http://songle.jp) Λ։ൃ͠ [1–5]ɼ2012 ೥ 8
݄ 29 ೔ʹ୭Ͱ΋ར༻Ͱ͖Δ Web ্ͷαʔϏεͱͯ͠Ұൠެ։ͨ͠ɽ͜Ε͸ɼԻָཧղٕज़ʢԻָͷԻ‫ڹ‬৴߸தͷ༷ʑͳཁૉΛࣗಈతʹਪఆͰ͖Δٕज़ʣΛ༻͍ͯ‫͕ػࢉܭ‬๲େͳίϯςϯπΛʮௌ͘ʯ͜ͱͰɼਓʑͷؑ৆΍ϒϥ΢δϯάΛࢧԉ͢ΔαʔϏεͰ͋Δɽ౰ॳͷจ‫[ ݙ‬1–3] ͷ࣌఺ͷ Songle Ͱ͸ɼMP3 ‫ࣜܗ‬ͷԻਤ 1Իָཧղٕज़Λ‫ͨ͠༻׆‬ೳಈతԻָؑ৆αʔϏεʮSongleʯ‫ڹ‬৴߸ϑΝΠϧͱͯ͠ެ։͞Ε͍ͯΔ Web ্ͷ೚ҙͷָ‫ۂ‬Λର৅ͱ͍ͯͨ͠ʢਤ 1ʣ
ɽ4 छྨͷԻָ৘‫هܠ‬ड़ʢָ‫ۂ‬ߏ଄ɼ֊૚తͳϏʔτߏ଄ɼϝϩσΟϥΠϯɼίʔυʣΛࣗಈਪఆ͠ɼͦΕΒΛʮԻָ஍ਤʯͱͯ͠ோΊΔ͜ͱ͕Ͱ͖ΔՄࢹԽ‫ػ‬ೳ΍ɼ‫ڵ‬ຯͷ͋ΔՕॴΛ༰қʹ‫͚ͭݟ‬ΒΕΔαϏग़͠‫ػ‬ೳΛ࣮‫ͨ͠ݱ‬ɽ͔͠΋ɼϢʔβ͕Իָ஍ਤΛվ
ળͰ͖Δ‫ޡ‬Γగਖ਼‫ػ‬ೳ΋࣮‫ͨ͠ݱ‬ɽ͜Ε͸ɼࣗಈਪఆͰ͸‫ޡ‬Γ͕ෆՄආͰ͋ΔͨΊɼޮ཰తͳ‫ޡ‬Γగਖ਼ΠϯλϑΣʔεΛ Web ্Ͱఏ‫͢ڙ‬Δ͜ͱͰɼ‫ޡ‬ΓΛਓखͰࣗൃతʹగ
1

a)
b)
c)

ਖ਼ͯ͠΋Β͏ࢼΈͰ͋Δɽͦͷ‫ޙ‬ɼ2012 ೥ 8 ݄ 29 ೔ʹϓϨεൃද [6] Λͨ͠ʮ2012೥ 8 ݄൛ SongleʯͰ͸ɼ࠶ੜָͨ͠‫ۂ‬ͷਐߦʹ࿈ಈ༷ͨ͠ʑͳΞχϝʔγϣϯΛָ͠ΊΔϏδϡΞϥΠβը໘Λ৽ͨʹදࣔͰ͖ΔΑ͏֦ுͨ͠ɽ͞ΒʹɼಉҰͷίʔυਐߦΛ΋ͭෳ਺ͷָ‫ۂ‬Λௌ͖ൺ΂Δ͜ͱ͕Ͱ͖Δίʔυਐߦ‫ػࡧݕ‬ೳ΍ɼϢʔβ͕ࣗ෼ͷϗʔϜϖʔδ΍ϒϩά
ͳͲͷ֎෦ͷ Web ϖʔδ಺ʹ Songle ͷখ‫ܕ‬ϓϨʔϠΛຒΊࠐΜͰɼSongle ্ͷָ‫ۂ‬Λ঺հͰ͖Δ֎෦ຒΊࠐΈϓ࢈‫ٕۀ‬ज़૯߹‫ॴڀݚ‬
National Institute of Advanced Industrial Science and Technology (AIST)
m.gotoʦatʧaist.go.jp
k.yoshiiʦatʧaist.go.jp
t.nakanoʦatʧaist.go.jp

c 2013 Information Processing Society of JapanϨʔϠ‫ػ‬ೳΛ࣮‫ͨ͠ݱ‬ɽίϯςϯπ౤ߘαΠτʮϐΞϓϩʯ(http://piapro.jp) ͱਖ਼ࣜʹ࿈‫Ͱͱͨ͜͠ܞ‬ϐΞϓϩ্ͷશָ‫͔ۂ‬Β Songle ΁ͷϦϯΫ͕ઃஔ͞Εɼ
ʮSoundCloudʯ(http://soundcloud.com) ্ͷָ‫ۂ‬ͷొ࿥ʹ΋ରԠͨ͠ɽ

1

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Reportਤ 2 Songle ͷλΠτϧϖʔδͷը໘දࣔྫɽԼଆʹྨࣅָ‫ۂ‬άϥϑ΋දࣔ͞Ε͍ͯΔɽਤ 3Songle ͷத৺తͳ‫ػ‬ೳͰ͋ΔԻָ࠶ੜ༻ΠϯλϑΣʔεͷը໘දࣔྫɽָ‫ۂ‬ͷத਎ʢԻָ৘‫هܠ‬ड़ʣΛʮԻָ஍ਤʯͱͯ͠
ՄࢹԽͨ͠ϢʔβΠϯλϑΣʔε্Ͱɼ࠶ੜҐஔΛࣗࡏʹ੍‫ޚ‬͔͠͠ɼMP3 ‫ࣜܗ‬ͷָ‫ʹۂ‬ର৅͕‫ݶ‬ఆ͞Ε͓ͯΓɼಈը‫ܗ‬

Ͱ͖Δɽԣ͕࣠࣌ؒͰ͋Γɼ্෦ͷେ‫ہ‬తͳදࣔ෦ʹ͸ɼָ‫ۂ‬ࣜͷָ‫ʹۂ‬͸ରԠ͍ͯ͠ͳ͔ͬͨɽ

શମͷߏ଄͕දࣔ͞ΕɼԼ෦ͷ‫ॴہ‬తͳදࣔ෦ʹ͸ɼͦ͜Ͱબ

ͦ͜Ͱࠓճɼ2013 ೥ 8 ݄຤ʹެ։͢Δʮ2013 ೥ 8 ݄൛୒͕֦ͨ۠ؒ͠େදࣔ͞Ε͍ͯΔɽ

SongleʯͰ͸ɼ৽ͨʹɼ୅දతͳಈը‫ڞ‬༗αʔϏεͷʮχί(i) ָ‫ߏۂ‬଄ʢαϏ۠ؒͱ‫܁‬Γฦ۠ؒ͠ʣ

χίಈըʯ(http://www.nicovideo.jp/) ͱʮYouTubeʯ(ii) ֊૚తͳϏʔτߏ଄ʢഥͱখઅͷઌ಄ʣ(http://www.youtube.com/) ʹରԠ͢Δɽಈը‫ڞ‬༗αʔ(iii) ϝϩσΟϥΠϯʢϝϩσΟͷՎ੠ͷ‫ج‬ຊप೾਺ (F0)ʣ

Ϗεʹ͸ಉҰͷָ‫͕ۂ‬ҧ͏ө૾Ͱෳ਺ొ࿥͞Ε͍ͯΔ͜ͱ(iv) ίʔυʢࠜԻͱίʔυλΠϓʢߏ੒Իʣʣ

͕͋Δ͕ɼͦΕΒͷؔ܎Λࣗಈ‫ݕ‬ग़ͯ͠ඥ෇͚ɼͦͷ͏ͪ

ͷ 4 ͭͷ୅දతͳԻָ৘‫هܠ‬ड़ʢԻָతཁૉʣ[9–11] ΛԻͷҰͭͷࣗಈਪఆ‫ޡ‬ΓΛϢʔβ͕ࣗൃతʹగਖ਼͢Ε͹ɼָͦཧղٕज़Λ༻͍ͯࣗಈਪఆ͢ΔɽSongle ͷϢʔβ͸ɼͦΕΒෳ਺ͷಉҰָ‫ۂ‬ಈըʹର͢ΔԻָ஍ਤ͕͢΂ͯվળ͞ΕΒͷԻָతཁૉΛ೺Ѳ͠΍͍͢ʮԻָ஍ਤʯͱͯ͠Մࢹ

ΕΔ࢓૊Έ΋ಋೖ͢Δɽ͞ΒʹɼϏδϡΞϥΠβ‫ػ‬ೳͰըԽͨ͠ৄࡉը໘ʢਤ 3ʣΛ‫͕ͳݟ‬Βɼָ‫ۂ‬ͷ࠶ੜΛָ͠Ή໘্ͰԻָʹ࿈ಈͨ͠ਤ‫͕ܗ‬ಈ͚ͩ͘Ͱͳ͘ɼর໌౳ͷ࣮͜ͱ͕Ͱ͖Δɽ͜͏ͨ͠ՄࢹԽ͸ɼʮԻָཧղྗ֦ுΠϯλੈքσόΠε΋Իָʹ࿈ಈ੍ͯ͠‫͖Ͱޚ‬Δ‫ػ‬ೳΛ࣮‫͢ݱ‬ΔɽϑΣʔεʯ[12] ͷ‫͔఺؍‬Β΋ॏཁͰ͋Γɼઐ໳త஌ࣝͷͳຊߘͰ͸ɼ2 ষͰจ‫[ ݙ‬1–3] ͷ࣌఺ͷ Songle ͷ‫ج‬ຊ‫ػ‬ೳ͍ϢʔβͰ΋ɼ֤Իָతཁૉͷଘࡏ΍ཁૉؒͷؔ܎ɼָ‫ۂ‬ʹ͍ͭͯ঺հͨ͠‫ʹޙ‬ɼ3 ষͱ 4 ষͰɼ͜Ε·Ͱจ‫[ ݙ‬1–3]

ߏ੒্ͷҙਤʹ‫͖ͮؾ‬΍͘͢ͳΔɽྫ͑͹ɼαϏͷ‫܁‬ΓฦͰ͸આ໌͍ͯ͠ͳ͔ͬͨʮ2012 ೥ 8 ݄൛ Songleʯͱʮ2013͠΍ΠϯτϩͱΤϯσΟϯάͷ‫܁‬Γฦ͠ͳͲͷָ‫ۂ‬શମͷ

೥ 8 ݄൛ Songleʯͷ৽‫ػ‬ೳʹ͍ͭͯड़΂Δɽͦͯ͠ɼ5 ষߏ଄Λ೺Ѳͨ͠ΓʢαϏ͕ྫ֎తʹଟ͘‫܁‬Γฦ͢‫ۂ‬΍ɼαͰେ‫ن‬໛ͳָ‫ʹ਺ۂ‬ରԠ͢ΔͨΊͷ࣮૷্ͷվળʹ͍ͭͯϏ͔Β࢝·Δ‫ʹۂ‬༰қʹ‫͖Ͱ͕ͱͮ͘͜ؾ‬Δʣɼಉ͡ϋʔड़΂Δɽ࠷‫ʹޙ‬ɼ6 ষͰ Songle ͷର֎తͳ࿈‫ͱܞ‬Պֶ‫ؗ‬౳ϞχʔʢίʔυਐߦʣͳͷʹϝϩσΟ͕มԽ͢Δ༷ࢠʹ‫ؾ‬Ͱͷలࣔʹ͍ͭͯ঺հ͢Δɽ͍ͮͨΓɼ‫܁‬Γฦ͢ͱ͖ͷՎࢺ΍‫ۂ‬ௐͷมԽΛௌ͖ൺ΂ͨ

2. ೳಈతԻָؑ৆αʔϏε Songle ͷ‫ج‬ຊ‫ػ‬ೳΓ͢Δ͜ͱ΋Ͱ͖Δɽ͜ͷΑ͏ʹɼ࠶ੜʹಉ‫ͯ͠ظ‬ਪఆ݁ՌΛʮ‫ݟ‬Δʯ͜ͱͰԻָͷཧղΛਂΊΔ͜ͱ͕Ͱ͖Δɽ

Web ϒϥ΢β্ͰೳಈతԻָؑ৆ΠϯλϑΣʔε [7, 8]

Իָ಺༰ʹ‫ͮ͘ج‬ϒϥ΢δϯά΋ՄೳͰ͋ΓɼSongleΛ࢖༻Ͱ͖Δ Web αʔϏεʮSongleʯʢਤ 2ʣͰ͸ɼՎ੠Ͱ͸ɼαϏग़͠‫ػ‬ೳ෇͖ೳಈతԻָؑ৆ΠϯλϑΣʔεΛ൐͏ϙϐϡϥʔԻָͷָ‫ۂ‬Λओͳର৅ͱͯ͠ɼʮSmartMusicKIOSKʯ[13] ͷ‫ػ‬ೳΛ࣮૷ͨ͠ɽϢʔβ͕αc 2013 Information Processing Society of Japan

2

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Reportਤ 4αϏग़͠‫ػ‬ೳͷ࢖༻ྫɽָ‫ۂ‬தͷ‫ڵ‬ຯͷ͋ΔՕॴΛ༰қʹ‫ݟ‬͚ͭͯௌ͘͜ͱ͕Ͱ͖ΔαϏग़͠‫ػ‬ೳͰ͸ɼָ‫ߏۂ‬଄ʹରԠ͠ɼʮલͷαϏ۠ؒͷͨ 4 छྨͷϘλϯʮ࣍ͷαϏ۠ؒͷ಄ग़͠ʯ಄ग़͠ʯɼʮ࣍ͷ‫܁‬Γฦ۠ؒ͠ͷ಄ग़͠ʯɼʮલͷ‫܁‬Γฦ۠ؒ͠ͷ಄ग़͠ʯͰ࠶ੜҐஔͷδϟϯϓ͕Ͱ͖Δɽ֤۠ؒΛ௚઀ԡͯ͠
΋Α͍ɽ

ਤ 6

2012 ೥ 8 ݄൛ Songle ͷϏδϡΞϥΠβը໘ͷදࣔྫ

ਤ 5 ‫ޡ‬Γగਖ਼‫͍ͯͬ࢒ʹޙ‬Δ‫ݩ‬ͷࣗಈਪఆ݁Ռͷ੻ʢάϨʔͰண৭ʣ

Ϗग़͠ϘλϯΛԡ͢͜ͱͰɼαϏʹඈΜͰฉ͘͜ͱ͕Ͱ͖
Δʢਤ 4ʣɽ͜ͷΑ͏ʹ Songle Ͱ͸ɼָ‫ۂ‬தͷ‫ڵ‬ຯͷ͋ΔՕॴΛ༰қʹ‫͚ͯͭݟ‬ฉ͘͜ͱ͕Ͱ͖Δɽ͞ΒʹɼԻָ৘‫هܠ‬ड़ͷਪఆ‫ޡ‬ΓΛ୭Ͱ΋༰қʹగਖ਼͠

3. 2012 ೥ 8 ݄൛ Songle ͷ৽‫ػ‬ೳ্‫ه‬ͷ Songle ͔Β֦ு͠ɼʮ2012 ೥ 8 ݄൛ SongleʯͰ͸ɼϏδϡΞϥΠβը໘දࣔ‫ػ‬ೳɼίʔυਐߦ‫ػࡧݕ‬ೳɼ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳͷࡾͭΛ௥Ճͨ͠ɽ

ͯߩ‫ݙ‬ՄೳͳΠϯλϑΣʔεʢਤ 12ʣ΋ Songle ্Ͱఏ‫ڙ‬͞ Β ʹ ɼԻ ָ ʹ ؔ ͢ Δ ί ϯ ς ϯ π ౤ ߘ α Π τʮ ϐ

ͨ͠ɽSongle ͷϢʔβ͸ਪఆ‫ޡ‬ΓΛ‫͚ͨͭݟ‬Βɼࣗಈੜ੒Ξ ϓ ϩ ʯ(http://piapro.jp) ͱʮSoundCloudʯ(http:͞Εͨީิ͔ΒબΜͩΓɼ௚઀ฤूͨ͠Γͯࣗ͠ൃతʹగ//soundcloud.com) ্ͷָ‫ۂ‬΋ొ࿥ՄೳͳΑ͏ʹ֦ுͨ͠ɽ

ਖ਼͢Δɽͦͷ݁Ռ͸ଞͷϢʔβͱ‫ڞ‬༗͞Εͯɼଈ࠲ʹϢʔβମ‫ݧ‬ͷ޲্ʹࢿ͢Δ͜ͱ͕Ͱ͖Δɽ͜Ε͸ɼԻָཧղٕ

3.1 ϏδϡΞϥΠβը໘දࣔ‫ػ‬ೳज़͕ෆॆ෼Ͱ͋ͬͯ΋ɼϢʔβͷߩ‫ʹݙ‬ΑͬͯϢʔβࣗ਎Իָͷத਎ͷՄࢹԽͰ͸ɼ͜Ε·ͰͷʮԻָ஍ਤʯΛද͕རศੑΛ‫͡ײ‬ΒΕΔ࢓૊ΈͰ͋Δɽͨͩ͠ɼԻָཧղٕ

ࣔ͢Δৄࡉը໘ʢਤ 3ʣʹՃ͑ɼΞχϝʔγϣϯʹΑΔେ

ज़ͷੑೳ͕աେධՁ͞Εͳ͍Α͏ʹɼϢʔβ͕‫ޡ‬Γగਖ਼͖͢ͳಈ͖Λ൐ͬͯදࣔ಺༰͕ಈతʹมΘΔϏδϡΞϥΠβ

Δͱɼ‫ݩ‬ͷࣗಈਪఆ݁Ռ͸ҧ͏৭ʢਤ 5 ͷάϨʔʣͰண৭

ը໘ʢਤ 6ɼਤ 7ʣͷදࣔ΋Մೳʹͨ͠ɽ͍ͣΕ΋ɼಉ͡͞Εͯ੻͕࢒ΔΑ͏ʹ޻෉ͨ͠ɽ͜ΕʹΑΓɼϢʔβ͸గ

4 ͭͷԻָ৘‫هܠ‬ड़ʢԻָతཁૉʣʹີ઀ʹ࿈ಈͯ͠දࣔ

ਖ਼͞ΕͨՕॴΛ༰қʹ۠ผͰ͖Δɽ͞Βʹɼ͢΂ͯͷగਖ਼಺༰͕มΘΔɽཤྺ͸‫ه‬࿥͞Ε͓ͯΓɼ୭Ͱ΋గਖ਼લ‫ޙ‬ͷൺֱΛͨ͠Γɼա‫ڈ‬ͷ೚ҙͷ࣌఺ʹ໭ͨ͠ΓͰ͖Δ‫ػ‬ೳ΋༻ҙͨ͠ɽϏδϡΞϥΠβը໘Ͱ͸ɼਤ 7 ͷ 4 छྨͷදࣔ‫ࣜܗ‬Λ੾Γସ͑Δ͜ͱ͕Ͱ͖Δɽਤ 7(a) ͸‫ز‬Կֶ໛༷͕࿈ಈ͠

ָ‫ۂ‬͸ɼ‫໊ۂ‬΍ΞʔςΟετ໊ΛςΩετ‫ͨ͠ࡧݕ‬Γɼͯେ͖͘ಈ͘දࣔͰɼαϏ͸എ‫ܠ‬ͷ৭ɼϏʔτ͸‫ز‬Կֶ໛ϥϯΩϯά౳ͷ֤छҰཡද͔ࣔΒબ୒ͨ͠Γ͢Δ͚ͩͰͳ༷͕৳ॖ͢Δಈ͖ɼϝϩσΟ͸தԝͷ 1 ΦΫλʔϒͷ‫ݤ‬൫͘ɼՎ੠ͷ੠࣭ͷྨࣅָ‫ۂ‬άϥϑΛදࣔͯ͠ʢਤ 2ʣɼ͔ͦ͜ঢ়ͷ௕ํ‫ܗ‬ͷಈ͖ɼίʔυ͸‫ز‬Կֶ໛༷ͷ৭ʹରԠ͍ͯ͠

Βͷબ୒΋Մೳʹͨ͠ɽ੠࣭ͷྨࣅ౓ʹ‫͕ࡧݕۂָͮ͘ج‬Δɽਤ 7(b) ͸ϝϩσΟϥΠϯͷϐΞϊϩʔϧঢ়ͷදࣔͰɼՄೳͳೳಈతԻָؑ৆ΠϯλϑΣʔεʮVocalFinderʯ[14]ӈ͔ΒࠨʹεΫϩʔϧͯ͠தԝͷ‫ݤ‬൫ΛϝϩσΟʹରԠ͠ͷൃ૝ΛऔΓೖΕͨ‫ػ‬ೳͰ͋Δɽͨ௕ํ‫͕ܗ‬ԣ੾ΓɼαϏʹͳΔͱεΫϩʔϧεϐʔυ͕଎୭Ͱ΋ Songle ʹϩάΠϯͤͣʹಗ໊Ͱར༻Ͱ͖Δ͕ɼ

͘ͳΔɽਤ 7(c) ͸൒ԁঢ়ʹඳ͔ΕͨԻָతཁૉͷදࣔͰɼ

OpenID ΍ OAuth ౳Λ༻͍ͯϩάΠϯ͢Δͱɼ೚ҙͷָ‫ۂ‬্‫ه‬ͷ (a) ͱ (b) Ͱ͸ԼʹӅΕ͍ͯΔԁ൫͕ͤΓ্͕ͬͨͷ MP3 ϑΝΠϧ͕ஔ͔Ε͍ͯΔ URL Λࢦఆͯ͠ɼSongle

ঢ়ଶͰ͋Δɽԁ൫ʹ͸ɼԻָ஍ਤʹରԠͨ͠಺༰͕දࣔ͞

ʹొ࿥Ͱ͖ΔɽϢʔβ͕ Songle Λ࢖༻͍ͯ͠Δͱ͖ʹ͸ɼΕ͓ͯΓɼԻָͷ࠶ੜʹԠͯ͡൓࣌‫ܭ‬ճΓʹճస͢Δɽαͦͷ‫ݩ‬ͷ Web αΠτ্ʹ͋Δָ‫͕ۂ‬ɼSongle Λ‫ܦ‬༝ͤͣϏͷΦϨϯδ৭ͷ۠ؒΛΫϦοΫ͢Δͱͦ͜΁δϟϯϓ͕ʹ௚઀Ϣʔβͷϒϥ΢β্ͰετϦʔϛϯά࠶ੜ͞ΕΔɽ

Ͱ͖ɼυϥοά͢Δ͜ͱͰԁ൫ΛखಈͰճసͯ͠γʔΫ͢Δ͜ͱ͕Ͱ͖Δɽਤ 7(d) ͸શମΛ၆ᛌͨ͠ԁ൫ঢ়ͷදࣔc 2013 Information Processing Society of Japan

3

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Report(a) ‫ز‬Կֶ໛༷͕࿈ಈͯ͠େ͖͘ಈ͘දࣔ(b) ϝϩσΟϥΠϯͷϐΞϊϩʔϧঢ়ͷදࣔ(c) ൒ԁঢ়ʹඳ͔ΕͨԻָతཁૉͷදࣔ(d) શମΛ၆ᛌͨ͠ԁ൫ঢ়ͷදࣔਤ 7ָ‫ۂ‬ͷத਎ΛΞχϝʔγϣϯදࣔ͢ΔϏδϡΞϥΠβը໘Ͱͷ 4 छྨͷදࣔ‫ࣜܗ‬

Ͱɼ(c) ͷ൒ԁঢ়ͷԁ൫ͷશମΛ‫ݟ‬Δ͜ͱ͕Ͱ͖Δɽಉ༷ʹԁ൫ͷૢ࡞Ͱ࠶ੜҐஔͷδϟϯϓ΍γʔΫ͕Ͱ͖ɼ1 पָ͕‫ۂ‬ͷ௕͞ʹରԠ͍ͯ͠Δɽ
ৄࡉը໘͕ԻָతཁૉΛ೺Ѳ͢ΔͨΊͷΠϯλϑΣʔεͰ͋Δͷʹର͠ɼϏδϡΞϥΠβը໘͸Իָతཁૉʹ‫ͮج‬͍ͯಈతʹੜ੒͞ΕΔදࣔΛָ͠ΜͰ΋Β͏ͨΊͷΠϯλ
ϑΣʔεͱͳ͍ͬͯΔɽ‫ط‬ଘͷϝσΟΞϓϨʔϠ౳ʹ౥ࡌ͞Ε͍ͯΔϏδϡΞϥΠβͰ͸ɼ೾‫ܗ‬΍प೾਺੒෼Λ୯७

ਤ 82012 ೥ 8 ݄൛ Songle ͷίʔυਐߦ‫ػࡧݕ‬ೳͷ࢖༻ྫʹ൓өͯ͠ද͍ࣔͯ͠Δ͜ͱ͕ଟ͍͕ɼSongle ͷϏδϡΞ
ϥΠβը໘Ͱ͸ɼָ‫ۂ‬ͷத਎ʹΑΓີ઀ʹ࿈ಈͯ͠ද͕ࣔ
มԽ͢Δ఺͕ҟͳΔɽ

3.3 ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳ֎෦ͷ Web ϖʔδ಺ʹ Songle ͷখ‫ܕ‬ϓϨʔϠΛຒΊࠐΜͰɼSongle ্ͷָ‫ۂ‬Λ঺հͰ͖Δ֎෦ຒΊࠐΈϓϨʔϠ

3.2 ίʔυਐߦ‫ػࡧݕ‬ೳ‫ػ‬ೳΛ࣮‫ͨ͠ݱ‬ʢਤ 9ʣɽ͜ͷϓϨʔϠ͸ָ‫ߏۂ‬଄ͷՄࢹ‫໊ۂ‬΍ΞʔςΟετ໊ͱ͍ͬͨॻࢽ৘ใʹ‫ैͮ͘ج‬དྷͷԽ‫ػ‬ೳͱαϏग़͠‫ػ‬ೳΛඋ͓͑ͯΓɼͦͷ Web ϖʔδΛԻָ৘ใ‫ʹࡧݕ‬Ճ͑ͯɼ৽ͨʹɼίʔυ໊ͷ‫ྻܥ‬Λ༩͑ΔӾཡͨ͠ਓ͕खܰʹࢼௌ͠ͳ͕Β Songle Λ஌Δ͜ͱ͕ͰͱͦΕΛίʔυਐߦͱͯ͠‫ؚ‬Ήָ‫܈ۂ‬Λ‫ࡧݕ‬ɾྻ‫͢ڍ‬ΔԻ

͖Δɽ‫໊ۂ‬ΛΫϦοΫ͢Ε͹ɼSongle ্ͷͦͷָ‫ۂ‬ͷϖʔָ৘ใ‫ࡧݕ‬ΛՄೳʹͨ͠ʢਤ 8ʣɽ͜ͷίʔυਐߦ‫ػࡧݕ‬δʹ௚઀ΞΫηεͰ͖ΔɽೳʹΑΓɼಉҰͷίʔυਐߦΛ΋ͭෳ਺ͷָ‫ۂ‬Λௌ͖ൺ΂
Δ͜ͱ͕Ͱ͖Δɽ͞ΒʹɼϢʔβͷϗʔϜϖʔδ΍ϒϩάͳͲͷຒΊࠐΈઌͷ Web ϖʔδͷഎ‫ʹܠ‬ɼָ‫ۂ‬ͷ࠶ੜʹ࿈ಈͯ͠มԽ͢Δࢹίʔυਐߦͷଟ͘͸ਓྨ‫ڞ‬༗ͷ஌ͱ‫͑ݴ‬Δ͙Β͍ɼ༷ʑ֮తޮՌʢਤ 10ʣΛ෇༩͢ΔΦϓγϣϯ‫ػ‬ೳ΋ɼຒΊࠐΈ࣌ͳָ‫Ͱۂ‬ಉ͡ίʔυਐߦ͕‫܁‬Γฦ͠࢖༻͞Ε͍ͯΔɽ͜ͷʹબ୒Ͱ͖Δɽ͜ͷ‫ػ‬ೳ͸ɼӾཡऀͷϒϥ΢β্ʹ͓͍ͯɼ‫ػ‬ೳʹΑΓɼઐ໳త஌ࣝͷͳ͍ϢʔβͰ΋ɼͦ͏ͨ͠ʮ͋

֎෦ຒΊࠐΈϓϨʔϠͷຒΊࠐΈઌͷ Web ϖʔδ্ͰಈΓ͕ͪ౓ʯ[15] ͕ߴ͍ࣄ৅Ͱ͋Δ͜ͱΛ֬ೝͰ͖Δɽ࡞͢Δ JavaScript ͷϓϩάϥϜʢࢹ֮తޮՌͷදࣔ༻ʣͱɼ
֎෦ຒΊࠐΈϓϨʔϠΛ഑৴͍ͯ͠Δ http://songle.jp
ͷ Web ϖʔδ্Ͱಈ࡞͢Δ JavaScript ͷϓϩάϥϜ͕ɼc 2013 Information Processing Society of Japan

4

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Report

ਤ 9

ਤ 10

2012 ೥ 8 ݄൛ Songle ͷ֎෦ຒΊࠐΈϓϨʔϠ

Songle ֎෦ຒΊࠐΈϓϨʔϠΛผͷ Web ϖʔδʹຒΊࠐΜͩྫ
ਤ 112013 ೥ 8 ݄൛ Songle ͷԻָ࠶ੜ༻ΠϯλϑΣʔεʢχίχίಈը্ͷಈըΛ࠶ੜ͢Δྫʣ

HTML5 Web Messaging ͷ࢓૊ΈʹΑͬͯҟͳΔυϝΠϯ
ؒͰ௨৴͢Δ͜ͱͰՄೳʹ͍ͯ͠ΔɽຒΊࠐΈઌͰͷࢹ֮ಈը಺ͷԻָʹ࿈ಈͨ͠ද͕ࣔͰ͖Δʢਤ 11ʣɽԻָ৘‫ܠ‬తޮՌͷදࣔ༻ϓϩάϥϜΛॻ͖‫͑׵‬Δ͜ͱͰɼ༷ʑͳද

‫ه‬ड़ͷਪఆ‫ޡ‬ΓΛగਖ਼͢ΔΠϯλϑΣʔε͸ਤ 12 ͷΑ͏ࣔʹมߋͰ͖ΔɽʹɼSongle ֎෦ຒΊࠐΈϓϨʔϠ΋ਤ 13 ͷΑ͏ʹ࢖༻Ͱͭ·ΓɼSongle ֎෦ຒΊࠐΈϓϨʔϠ͸ɼSongle ্ͷԻ͖ΔɽҎ্ͷΑ͏ʹϢʔβ͕ Songle Λ࢖༻͍ͯ͠Δͱָ͖৘‫هܠ‬ड़Λ Songle Ҏ֎ͷ Web αʔϏε͔Β‫ͯ͠༻׆‬࿈ʹ͸ɼ‫ݩ‬ͷಈը‫ڞ‬༗αʔϏε্ʹ͋Δಈը͕ɼSongle Λ‫ܦ‬‫͖Ͱܞ‬Δ࿮૊Έͱͳ͍ͬͯΔɽ͜ΕʹΑΓɼैདྷɼԻָཧղ

༝ͤͣʹ௚઀Ϣʔβͷϒϥ΢β্ͰετϦʔϛϯά࠶ੜٕ͞ज़͕ͳ͚Ε͹ࠔ೉ͩͬͨԻָʹ࿈ಈͨ͠දࣔΛɼSongle

ΕΔɽҎ֎ͷ Web αʔϏε্Ͱ΋Մೳʹͨ͠఺͕༏Ε͍ͯΔɽ͜ͷ֦ுʹΑΓɼMP3 ‫ެͰࣜܗ‬։͞Ε͍ͯΔָ‫Ͱ͚ͩۂ‬·ͨɼԻָ৘‫هܠ‬ड़ʹਪఆ‫ޡ‬Γ͕͋ͬͯ΋ɼSongle ্Ͱగͳ͘ɼಈը‫ڞ‬༗αʔϏε্ͷಈը‫ࣜܗ‬ͷָ‫Ͱۂ‬΋ೳಈతԻਖ਼͢Ε͹ଈ࠲ʹͦͷ݁Ռ͕֎෦ຒΊࠐΈϓϨʔϠʹ൓өָؑ͞৆ΠϯλϑΣʔεΛϢʔβ͸ମ‫͖Ͱݧ‬ΔΑ͏ʹͳΓɼΕΔͷͰɼగਖ਼͢ΔΠϯηϯςΟϒ΋ੜ͡Δɽ֎෦ຒΊࠐ

Songle ্ͷొ࿥ָ‫਺ۂ‬Λେ෯ʹ૿΍͢͜ͱ͕Ͱ͖ͨɽͨͩ

ΈϓϨʔϠΛΞχϝʔγϣϯදࣔ౳ʹ‫͢༻׆‬Δࡍʹɼୈࡾ͠‫ࡏݱ‬ͷ࣮૷Ͱ͸ɼಈը‫ڞ‬༗αʔϏεʹ͸ϏδϡΞϥΠβ

ऀͷగਖ਼ʹΑͬͯɼԻָ৘‫هܠ‬ड़͕‫͔ޙ‬Βมߋ͞ΕΔͱࠔ

ը໘දࣔ‫ػ‬ೳ͸ରԠ͍ͯ͠ͳ͍ɽ·ͨɼಈը‫ڞ‬༗αʔϏεΔ৔߹ʹ͸ɼա‫ڈ‬ͷಛఆͷ೔࣌ͷԻָ৘‫هܠ‬ड़Λ໌ࣔతʹ͕ఏ‫͢ڙ‬ΔຒΊࠐΈಈըϓϨʔϠͰ͸ɼಈըѹॖූ߸Խ࣌

ࢦఆ͢Δ͜ͱ΋Ͱ͖Δɽ

ͷΩʔϑϨʔϜʢI ϑϨʔϜʣ͕ଘࡏ͢Δ࣌ࠁʹ͔͠γʔΫ

4. 2013 ೥ 8 ݄൛ Songle ͷ৽‫ػ‬ೳ͕Ͱ͖ͣɼΩʔϑϨʔϜͷִ͕ؒૈ͍ͱ͖ʹ͸ɼϢʔβ͕๬ΜͩҐஔʹγʔΫͰ͖ͳ͍͜ͱ͕͋Δɽಛʹɼχίχί্‫ه‬ͷʮ2012 ೥ 8 ݄൛ Songleʯ͔Β֦ு͠ɼ
ʮ2013 ೥ 8ಈը্ͰϢʔβ͕౤ߘͨ͠ಈը͕࠶Τϯίʔυ͞Εͣʹɼ݄൛ SongleʯͰ͸ɼಈը‫ڞ‬༗αʔϏε΁ͷରԠɼಉҰָ‫ۂ‬΋͠ΩʔϑϨʔϜ͕ૈ͍ঢ়ଶʹͳ͍ͬͯΔͱɼʮχίχίͷඥ෇͚‫ػ‬ೳɼ࣮ੈքσόΠεͷԻָ࿈ಈ੍‫ػޚ‬ೳͷࡾͭಈը֎෦ϓϨʔϠʔʯͰͷγʔΫ͕ࠔ೉ͳ৔߹͕͋ͬͨɽΛ௥Ճ͢Δɽ

4.2 ಉҰָ‫ۂ‬ͷඥ෇͚‫ػ‬ೳ
4.1 ಈը‫ڞ‬༗αʔϏε΁ͷରԠಈը‫ڞ‬༗αʔϏεʹ͸ɼಉҰͷָ‫͕ۂ‬ҧ͏ө૾ͱ૊Έ߹୅දతͳಈը‫ڞ‬༗αʔϏεʢχίχίಈըɼYouTubeʣ্Θ͞Εͨ೿ੜಈըͱͯ͠ෳ਺౤ߘ͞Ε͍ͯΔ͜ͱ͕͋Δ

Ͱެ։͞Ε͍ͯΔಈը‫ࣜܗ‬ͷָ‫ʹۂ‬ରԠ͢Δɽ͜Ε͸ɼಈըͷͰͦΕΒΛඥ෇͚ͯద੾ʹѻ͏ͨΊͷ‫ػ‬ೳΛ࣮‫ͨ͠ݱ‬ɽ‫ڞ‬༗αʔϏε͕ެࣜʹఏ‫͢ڙ‬ΔຒΊࠐΈಈըϓϨʔϠ‫ػ‬ೳSongle Ͱ͸ԻָίϯςϯπʢMP3 ‫͋ࣜܗ‬Δ͍͸ಈը‫ࣜܗ‬Λ༻͍࣮ͯ‫ͨ͠ݱ‬ɽ۩ମతʹ͸ɼχίχίಈըͱ YouTubeͰͷָ‫ۂ‬ʣΛ഑৴‫ݩ‬ͷ URL Ͱ۠ผ͢ΔͨΊɼͦΕΒ͸ಠʹ౤ߘ͞Εͯެ։͞Ε͍ͯΔಈըΛ֎෦ͷαΠτ্ʹ࠶ੜཱʹొ࿥͞ΕΔ͜ͱʹͳΔɽͦ͜Ͱɼ৽ͨʹԻָίϯςϯ

Ͱ͖Δʮχίχίಈը֎෦ϓϨʔϠʔʯͱʮYouTube ຒΊπ͕ Songle ʹొ࿥͞Εͨͱ͖ʹ͸ɼͦΕͱԻ‫ڹ‬৴߸͕ҰࠐΈϓϨʔϠʔʯΛɼSongle ͷָ‫ۂ‬ϖʔδʹຒΊࠐΜͩɽக͢Δొ࿥ࡁΈͷԻָίϯςϯπΛ໢ཏతʹࣗಈ‫ݕ‬ग़͠ɼͦΕΒͷຒΊࠐΈಈըϓϨʔϠ্ͷ࠶ੜͱಉ‫ͯ͠ظ‬ɼʮԻָ૬‫ʹޓ‬ඥ෇͚ͨɽඥ෇͚ΒΕͨҰ࿈ͷԻָίϯςϯπ͸ά

஍ਤʯதͷ࠶ੜҐஔεϥΠμ͕ࣗಈతʹҠಈ͢Δ͜ͱͰɼϧʔϓΛ‫ܗ‬੒͠ɼࣗಈਪఆ݁ՌΛ‫ڞ‬༗͢Δɽ͜ΕʹΑΓɼc 2013 Information Processing Society of Japan

5

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Report(a) ָ‫ߏۂ‬଄ʢαϏ۠ؒͱ‫܁‬Γฦ۠ؒ͠ʣͷగਖ਼(b) ֊૚తͳϏʔτߏ଄ʢഥͱখઅͷઌ಄ʣͷగਖ਼(c) ϝϩσΟϥΠϯʢϝϩσΟͷՎ੠ͷ‫ج‬ຊप೾਺ (F0)ʣͷగਖ਼(d) ίʔυʢࠜԻͱίʔυλΠϓʢߏ੒Իʣʣͷగਖ਼ਤ 12‫ޡ‬Γగਖ਼‫ػ‬ೳͰԻָ৘‫هܠ‬ड़Λగਖ਼͢ΔࡍͷΠϯλϑΣʔεʢ2013 ೥ 8 ݄൛ SongleͰχίχίಈը্ͷಈըʹରͯ͠గਖ਼͢Δྫʣɽީิબ୒΍௚઀मਖ਼ʹΑͬͯೖྗͰ͖
Δޮ཰తͳ‫ޡ‬Γగਖ਼ΠϯλϑΣʔεʢΤσΟλʣΛ Web ্ʹ࣮૷ͨ͠ɽ

͏ʹγʔΫ͕ࠔ೉ʹͳΔ͔ΒͰ͋Δɽͦ͜ͰɼSongle ͷָ֤‫ۂ‬ͷϖʔδͰ͸ɼಉҰάϧʔϓʹඥ෇͚ΒΕͨଞͷԻָίϯςϯπͷҰཡදࣔΛ‫ݟ‬Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͨ͠ɽͦͷҰཡͰ͸ɼMP3 ‫ࣜܗ‬ͷָ‫ۂ‬΍ɼಈըѹॖූ߸Խ࣌ͷΩʔϑϨʔϜ͕ଟ͍ಈը্͕Ґʹදࣔ͞Εɼగਖ਼͕༰қͳԻָίϯςϯπ΁Ҡಈ͠΍͘͢ͳ͍ͬͯΔɽ
Իָίϯςϯπ๯಄ͷແԻ۠ؒ౳ͷ௕͞ʹΑͬͯɼָ‫ۂ‬෦෼ͷԻ‫ڹ‬৴߸ͱͯ͠͸ಉҰͰ΋ɼಈըͷઌ಄࣌ࠁʹରͯ࣌ؒ͠తͳͣΕʢΦϑηοτʣ͕ੜ͡Δ͜ͱ͕͋Δ͕ɼͦΕ΋ࣗಈతʹิਖ਼͠ͳ͕ΒʮԻָ஍ਤʯΛදࣔͰ͖ΔΑ͏ʹͨ͠ɽಉҰָ‫ۂ‬ͷࣗಈ‫ݕ‬ग़ͷ࣮૷ʹ͸ɼRobust Landmark-Based

Audio Fingerprinting (AUDFPRINT) [16] Λ༻͍ͨɽҎ্ͷ‫ػ‬ೳͰ͸ɼಉҰͷָ‫ͯ͠ͱۂ‬͸ඥ෇͚ΒΕͳ͍͕ɼਤ 132013 ೥ 8 ݄൛ Songle ͷ֎෦ຒΊࠐΈϓϨʔϠʢχίχίಈը্ͷಈըΛຒΊࠐΉྫʣָ‫ۂ‬ͷ಺༰͕ಉҰͰ͸ͳ͘ࣅ͍ͯΔ೿ੜಈը΋ෳ਺౤ߘ͞ΕΔ͜ͱ͕͋Δɽͦ͜Ͱɼָ‫Ͱؒۂ‬ͷʮԻָ஍ਤʯͷίϐʔɾϖʔετͷΠϯλϑΣʔε΋৽ͨʹ։ൃͨ͠ɽ4 छ

͋Δָ‫ࣗͰۂ‬ಈਪఆͷ‫ޡ‬ΓΛϢʔβ͕గਖ਼͢Ε͹ɼͦΕͱྨͷԻָ৘‫هܠ‬ड़ʢָ‫ߏۂ‬଄ɼ֊૚తͳϏʔτߏ଄ɼϝϩಉҰάϧʔϓͷଞͷԻָίϯςϯπΛӾཡͨ͠ͱ͖ʹɼగσΟϥΠϯɼίʔυʣͷͦΕͧΕʹؔͯ͠ɼ೚ҙͷ۠ؒΛਖ਼‫ޙ‬ͷʮԻָ஍ਤʯΛར༻Ͱ͖Δɽ

ίϐʔͯ͠ɼಉҰָ‫಺ۂ‬΍ผָ‫Ͱ্ۂ‬ϖʔετͰ͖ΔɽྫಉҰάϧʔϓͷ೚ҙͷԻָίϯςϯπͰగਖ਼͕Ͱ͖Δͷ͑͹ɼಉ͡൐૗Λ࢖༻͠ͳ͕Β༷ʑͳՎএऀ͕Վ͍௚ͨ͠

Ͱɼగਖ਼͍ͨ͠Ϣʔβʹͱͬͯ͸ɼగਖ਼ͷૢ࡞͕͠΍͍͢೿ੜಈը‫Ͱ܈‬͸ɼϝϩσΟϥΠϯ͸Վ͍ճ͠ʹΑͬͯҧ͏

MP3 ‫ࣜܗ‬ͷָ‫ۂ‬΍ɼಈըѹॖූ߸Խ࣌ͷΩʔϑϨʔϜ͕͜ͱ͕͋ͬͯ΋ɼָ‫ߏۂ‬଄ɼϏʔτߏ଄ɼίʔυਐߦ͸ɼଟ͍ಈըΛ༰қʹ೺ѲͰ͖Δ͜ͱ͕ॏཁͱͳΔɽగਖ਼Ͱ͸గਖ਼ࡁΈͷଞͷָ‫͔ۂ‬ΒίϐʔͰ͖Δ৔߹͕ଟ͍ɽಉҰָγʔΫΛଟ༻͢Δ͕ɼΩʔϑϨʔϜ͕গͳ͍ͱલड़ͨ͠Αc 2013 Information Processing Society of Japan

6

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Reportਤ 14Songle ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳΛ‫ͨ͠༻׆‬෣୆র໌‫ثػ‬ͷԻָ࿈ಈ੍‫ྫޚ‬‫ۂ‬ΛಉҰςϯϙͰΞϨϯδΛม͑ͯԋ૗͠௚ͨ͠೿ੜಈը
‫Ͱ܈‬΋ɼָ‫ߏۂ‬଄΍Ϗʔτߏ଄͸ίϐʔͰ͖Δ͜ͱ͕͋Δɽ཭Λ‫͖Ͱࢉܭ‬Δख๏Λ࣮‫ͨ͠ݱ‬ɽैདྷ༻͍͍ͯͨ‫ࢉܭ཭ڑ‬๏͸ɼՎ੠ͷ੠࣭ʹ‫ۂָͮ͘ج‬‫ࡧݕ‬γεςϜ VocalFinder [14] ͰఏҊͨ͠ख๏Ͱ͋Δɽ·

4.3 ࣮ੈքσόΠεͷԻָ࿈ಈ੍‫ػޚ‬ೳͣɼָ֤‫ۂ‬ͷԻ‫ڹ‬৴߸ʹରͯ͠ PreFEst [11] Λద༻͠ɼ֤

Songle ͷ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳʹΑΓɼԻָͷத਎࣌ࠁ͝ͱʹ࠷΋༏੎ͳ‫ج‬ຊप೾਺ (F0) Λਪఆ͢Δɽ࣍ʹɼʹ࿈ಈͯ͠มԽ͢ΔΞχϝʔγϣϯදࣔΛ͜Ε·Ͱ࣮‫͠ݱ‬ਪఆ͞Εͨ F0 ʹ‫͍ͯͮج‬ௐ೾ߏ଄Λநग़͠ɼਖ਼‫ݭ‬೾ॏ৞Ϟ͖͕ͯͨɼ࣮ੈքσόΠεΛ੍‫͖Ͱޚ‬ΔΑ͏ʹ֦ுͨ͠ɽ

σϧΛ༻͍ͯՎ੠Λ‫ؚ‬ΉԻ‫ڹ‬৴߸Λ࠶߹੒͢Δɽ͞Βʹɼ‫ࡏݱ‬ͷ࣮૷Ͱ͸ɼ௨৴ϓϩτίϧʮDMX512ʯʹରԠͨ͠

12 ࣍‫ݩ‬ઢ‫ܗ‬༧ଌϝϧέϓετϥϜ܎਺ (LPMCC) ͓Αͼর໌౳ͷ‫ثػ‬ͷ੍‫ʹޚ‬ରԠ͓ͯ͠ΓɼSongle ֎෦ຒΊࠐΈ

ΔF0 Λநग़͠ɼ৴པͰ͖ΔՎ੠۠ؒͷΈΛબ୒͢Δ͜ͱϓϨʔϠͰ೚ҙͷָ‫ۂ‬Λ࠶ੜ͢ΔͱɼͦͷԻָ৘‫هܠ‬ड़ʹͰɼ13 ࣍‫ݩ‬ͷ੠࣭ಛ௃ྔ‫܈‬ΛಘΔɽ࠷‫ʹޙ‬ɼָ֤‫ʹͱ͝ۂ‬࿈ಈͯ͠‫ثػ‬ͷ੍‫಺ޚ‬༰Λม͑ΒΕΔɽDMX512 ͸ɼओʹࠞ߹Ψ΢εϞσϧ (GMM) Λֶश͢Δɽ੠࣭ʹ‫ۂָͮ͘ج‬෣୆র໌΍ԋग़‫ثػ‬ͷ੍‫࢖ʹޚ‬ΘΕ͓ͯΓɼରԠ‫ثػ‬΋ଟؒͷ‫཭ڑ‬͸ɼGMM ؒͷରশ Kullback-Leibler (KL) ‫཭ڑ‬͘ࢢൢ͞Ε͍ͯΔɽ

ͱͯ͠ఆ͍ٛͯͨ͠ɽ

Web ϒϥ΢β্Ͱɼ֎෦ຒΊࠐΈϓϨʔϠ͔ΒԻָ৘‫ܠ‬

GMM ؒͷରশ KL ‫཭ڑ‬͸ղੳతʹ‫͍ͨͳ͖Ͱࢉܭ‬Ίɼ‫ه‬ड़৘ใΛड͚औͬͯಈ࡞͢ΔϓϩάϥϜʢJavaScript Ͱจ‫[ ݙ‬14] Ͱ͸ɼָ‫ؒۂ‬ͷ‫཭ڑ‬Λ‫͢ࢉܭ‬Δࡍʹɼ2 ͭͷ GMM‫ه‬ड़ʣʹΑͬͯɼΠʔαωοτ‫ܦ‬༝Ͱ DMX512 Λ੍‫͢ޚ‬

ͱ 2 ͭͷ੠࣭ಛ௃ྔ‫ͱ܈‬ͷؒͷ 4 छྨͷҟͳΔ૊Έ߹ΘͤΔͨΊʹɼϚΠίϯϘʔυʮmbed NXP LPC1768ʯʹରԠͰର਺໬౓ͷ‫ࢉܭ‬Λඞཁͱ͢Δۙࣅࢉ๏Λ༻͍͍ͯͨɽ͠

ͨ͠ DMX512 ϓϥοτϑΥʔϜʮmbed DMX Platformʯ͔͠ɼGMM ͷࠞ߹਺͸ 64 ͱ͓ͯ͠Γɼ੠࣭ಛ௃ྔͷ‫ݸ‬ͷΩοτΛ࢖༻࣮ͯ͠૷ͨ͠ɽͦͯ͠ɼϜʔϏϯάϔο਺͕૿͑Δͱ‫ࢉܭ‬ίετ͕େ͖͍໰୊͕͋ͬͨɽ

υ‫ܕ‬র໌‫ثػ‬ͷʮELATION / PLATINUM SPOT 5Rʯ

ͦ͜Ͱզʑ͸ࠓճɼΨ΢ε෼෍ؒͷରশ KL ‫ͮجʹ཭ڑ‬΍ɼLED র໌‫ثػ‬ͷʮALKALITE / OCTOPOD75BKʯɼ

͘ Earth Mover’s Distance (EMD) [17] Λ༻͍ͯ GMM ؒʮALKALITE / OCTOPOD75WHʯɼʮAMERICAN DJ /ͷରশ KL ‫཭ڑ‬Λۙࣅ͢Δख๏Λ࠾༻ͨ͠ɽ͞Βʹָ֤‫ۂ‬

DEKKER LEDʯ౳Λ੍‫͢ޚ‬Δ͜ͱͰɼεςʔδʹ‫ཱͯݟ‬ͷ GMM Λֶश͢Δࡍʹ͸ɼσΟϦΫϨաఔʹ‫ͮ͘ج‬ແ‫ݶ‬ۭͨؒʹ༷ʑͳޫΛԻָʹ࿈ಈͯ͠౤Өͨ͠ʢਤ 14ʣɽޫࠞ߹Ψ΢εϞσϧ (iGMM) [18] Λ༻͍ͯɼָ֤‫ʹͱ͝ۂ‬ͷ৭΍ํ޲ɼ౤ӨύλʔϯΛɼָ‫ߏۂ‬଄ɼ֊૚తͳϏʔτద੾ͳࠞ߹਺͕ࣗಈతʹ‫·ٻ‬ΔΑ͏ʹͨ͠ɽEMD ͷ‫ࢉܭ‬ߏ଄ɼίʔυʹΑͬͯมԽͤͨ͞ɽ

ྔ͸ࠞ߹਺ͷೋ৐ʹൺྫ͢Δ͕ɼϙϐϡϥʔԻָͰ͸ 15ʙͨͩ͠ɼຊ‫ػ‬ೳ͸ϋʔυ΢ΣΞʹґଘ͍ͯ͠ΔͨΊɼ

20 ࠞ߹ఔ౓ʹͳΔ৔߹͕ଟ͔ͬͨɽRWC ‫༻ڀݚ‬ԻָσʔSongle ͷଞͷ‫ػ‬ೳͷΑ͏ʹ Web ্Ͱ୭Ͱ΋ࣗ༝ʹར༻Ͱ

λϕʔε [19] ʢϙϐϡϥʔԻָ RWC-MDB-P-2001ʣͷશ͖Δঢ়ଶʹ͸ͳ͍ͬͯͳ͍ɽΑΓ༰қʹ༷ʑͳ৔໘Ͱར༻

100 ‫ۂ‬Λର৅ʹ‫ྻߦ཭ڑ‬Λ‫ٻ‬Ίͨͱ͜Ζɼैདྷ༻͍͍ͯͨ

Մೳʹ͍ͯ͘͜͠ͱ͕ɼࠓ‫ޙ‬ͷ՝୊Ͱ͋Δɽ

‫ࢉܭ཭ڑ‬๏ [14] ͰಘΒΕͨ‫ͱྻߦ཭ڑ‬ͷ૬ؔ܎਺͸ 0.85

5. େ‫ن‬໛ͳָ‫ʹ਺ۂ‬ରԠ͢ΔͨΊͷ࣮૷վળͰ͋ΓɼίϯύΫτͳ GMM Λ༻͍ͯߴਫ਼౓͔ͭߴ଎ͳ‫ڑ‬཭‫͕ࢉܭ‬Մೳͱͳͬͨɽ

ָ֤‫ʹۂ‬ରͯ͠Վ੠ͷ੠࣭ͷྨࣅָ‫ۂ‬άϥϑΛੜ੒͢Δ্‫ʹه‬Ճ͑ͯɼϢʔβͷϝϩσΟగਖ਼݁ՌΛ‫ͯ͠༻׆‬ɼʹ͸ɼશָ‫ۂ‬ʢকདྷతʹ 100 ສ‫ۂ‬Ҏ্Λ૝ఆʣͱͷ੠࣭ʹ‫ج‬੠࣭ಛ௃ྔΛநग़͢Δ͏͑ͰॏཁͱͳΔՎ੠۠ؒͷ‫ݕ‬ग़ͮ͘‫཭ڑ‬Λ໢ཏతʹ‫͢ࢉܭ‬Δඞཁ͕͋ΔͨΊɼैདྷ Songleਫ਼౓Λ޲্ͤ͞Δ͜ͱ͕Ͱ͖Δ࢓૊Έ΋։ൃͨ͠ɽ‫ࡏݱ‬ͷͰ༻͍͍ͯͨ‫ࢉܭ཭ڑ‬๏ΑΓ΋໿ 250 ഒߴ଎ʹָ‫ؒۂ‬ͷ‫ڑ‬࣮૷Ͱ͸ɼՎ੠͔۠ؒΒֶशͨ͠ GMM ͱඇՎ੠͔۠ؒ

c 2013 Information Processing Society of Japan

7

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical ReportΒֶशͨ͠ GMM Λ༻͍ͯɼ༩͑ΒΕͨ੠࣭ಛ௃ྔͷ໬౓Λൺֱ͢Δ͜ͱͰՎ੠ͷ༗ແΛ൑ఆ͍ͯ͠Δɽैདྷ͸ɼ

RWC-MDB-P-2001 ʹऩ࿥͞Ε͍ͯΔ 100 ‫͔ۂ‬Βֶशͨ͠
GMM Λ༻͍͍͕ͯͨɼࠓճ৽ͨʹɼϢʔβͷగਖ਼ͰՎ੠
͋Δ͍͸ඇՎ੠ͱ൑ఆ͞Ε͔ͨ۠ؒΒநग़ͨ͠Ի‫ڹ‬ಛ௃ྔΛֶशσʔλʹ௥Ճͯ͠ɼՎ੠͓ΑͼඇՎ੠ͷ GMM Λ࠶ֶश͢ΔΑ͏ʹͨ͠ɽ͜ͷ࢓૊ΈʹΑͬͯɼSongle ʹొ࿥͞Ε͍ͯΔָ‫ʹۂ‬ΑΓదͨ͠Վ੠۠ؒ‫ݕ‬ग़͕ՄೳʹͳΔɽ

6. Songle ʹΑΔ࿈‫ͱܞ‬లࣔೳಈతԻָؑ৆αʔϏε Songle ͷର֎తͳ࿈‫ͯ͠ͱܞ‬ɼίϯςϯπ౤ߘαΠτʮϐΞϓϩʯ(http://piapro.jp)
ͱ 2012 ೥ 8 ݄ 29 ೔͔Βਖ਼ࣜʹ࿈‫[ ͠ܞ‬20]ɼϐΞϓϩ্ͷ͢΂ͯͷָ‫ۂ‬ͷϖʔδʹ Songle ΁ͷϦϯΫΛαΠτӡӦऀͷΫϦϓτϯɾϑϡʔνϟʔɾϝσΟΞ‫ࣜג‬ձ͕ࣾઃஔ
͢Δ͜ͱͰɼSongle Ͱͷొ࿥΍ӾཡΛ༰қʹͨ͠ɽ͞ΒʹɼSongle ͕ࣗಈਪఆͨ͠αϏ۠ؒΛ Songle ͔ΒϐΞϓϩʹఏ‫͠ڙ‬ɼϐΞϓϩ্ͷԻָϓϨΠϠʔͰ΋αϏग़͠‫ػ‬ೳΛར༻Ͱ͖ΔΑ͏ʹͯ͠ɼϢʔβͷརศੑΛߴΊͨɽ͞Βʹಉ೔ɼՎ੠߹੒ιϑτ΢ΣΞʮॳԻϛΫʯൃച 5 प೥‫ه‬೦Λॕ͏ެࣜϖʔδ (http://mikubook.com/event/miku5) ʹʮSongle ֎෦ຒΊࠐΈϓϨʔϠʯ͕ຒΊࠐ·ΕͯԠ༻͞Εɼಉϖʔδͷഎ‫ʹܠ‬Իָʹ࿈ಈͨ͠‫ز‬Կֶ໛༷͕දࣔ͞ΕΔ͚ͩͰͳ͘ɼॳԻϛΫͷΩϟϥΫλͷ 2 ࣍‫ݩ‬ͷֆ͕Իָʹ࿈ಈͯ͠੾ΓସΘΓɼགྷͬͯ‫͑ݟ‬ΔΞχϝʔγϣϯ͕දࣔ͞Εͨɽ

2012 ೥ 12 ݄ 27 ೔ʹ͸ɼՎ੠߹੒ιϑτ΢ΣΞʮ‫ڸ‬ԻϦϯɾϨϯʯൃച 5 प೥‫ه‬೦Λॕ͏ެࣜϖʔδ (http://mikubook.com/event/rinlen5) ʹ΋ʮSongle ֎෦ຒΊࠐΈϓϨʔϠʯ͕ຒΊࠐ·ΕͯԠ༻͞Εɼ‫ڸ‬ԻϦϯɾϨϯͷΩϟϥΫλͷ 3 ࣍‫ݩ‬Ϟσϧ͕Իָʹ࿈ಈͯ͠གྷΔ༷ࢠ͕ɼ

Chrome ϒϥ΢β্Ͱͷ 3 ࣍‫ݩ‬ϦΞϧλΠϜϨϯμϦϯά
ʹΑͬͯදࣔ͞Εͨɽυϥοάૢ࡞ͰΧϝϥΞϯάϧΛม
͑Δ͜ͱ΋Ͱ͖ͨɽ͞Βʹը໘্ʹ͸ίʔυ໊͕ॻ͔ΕͨϘλϯ͕͋ΓɼSongle ͷίʔυਪఆ݁ՌʹԠͯͦ͡ΕΒ͕ޫΔ͚ͩͰͳ͘ɼԻָʹ߹ΘͤͯϢʔβ͕೚ҙͷίʔυ໊ͷϘλϯΛԡ͢ͱɼॳԻϛΫͷՎ੠Ͱԡͨ͠ίʔυΛίʔϥεͱͯ͠Վ͏‫ػ‬ೳ΋࣮‫͞ݱ‬Εͨɽͦͷ‫ޙ‬ɼͭ͘͹ࢢͷՊֶ‫ؗ‬ʮͭ͘͹ΤΩεϙηϯλʔʯ͔ΒɼಛผలʮΤδιϯ͔Β͸͡·ΔԻͱి‫ؾ‬ͷ;͗͠ͳ

7. ͓ΘΓʹ
ຊߘͰ͸ɼϢʔβߩ‫ʹݙ‬Αͬͯঃʑʹվળ͞Ε͍ͯ͘ೳಈతԻָؑ৆αʔϏε Songle ͷ৽‫ػ‬ೳΛத৺ʹ঺հͨ͠ɽ

Songle Ͱ͸ɼ‫ʹػࢉܭ‬ΑΔԻָཧղͷ‫ޡ‬ΓΛɼϢʔβ͕Web ্Ͱగਖ਼Ͱ͖ΔΠϯλϑΣʔεΛඋ͍͑ͯΔͱ͜Ζ
͕ɼΫϥ΢υιʔγϯάར༻ͷࣄྫͱͯ͠΋Ґஔ͚ͮΒΕ
Δ [4, 5]ɽͦͯ͠ɼෆಛఆଟ਺ͷϢʔβʹΑΔࣗൃతͳగਖ਼
ΛϢʔβମ‫ݧ‬ͷ޲্ʹ݁ͼ͚͍ͭͯ͘͜ͱͰɼ͞ΒͳΔར
༻Λଅ͢࢓૊ΈΛ͍࣋ͬͯΔ఺͕େ͖ͳಛ௕Ͱ͋Δɽ

2012 ೥ 8 ݄൛ͱ 2013 ೥ 8 ݄൛ͷ Songle ʹΑͬͯɼ౰ॳ
ͷจ‫[ ݙ‬3] Ͱࠓ‫ޙ‬ͷ՝୊ʹ‫͍ͨͯ͛ڍ‬ओཁͳ఺ʹऔΓ૊Ή͜ͱ͕Ͱ͖ͨɽ۩ମతʹ͸ɼԻָ৘‫هܠ‬ड़ͷՄࢹԽํ๏ͷଟ༷Խ΍ɼଞͷ Web αʔϏε͔Β‫ͯ͠༻׆‬࿈‫͖Ͱܞ‬Δ‫ػ‬ೳͷఏ‫ڙ‬ɼగਖ਼͢ΔΠϯηϯςΟϒͷ޲্Λ‫͕͍ͨͯ͛ڍ‬ɼϏδϡΞϥΠβ΍ɼ֎෦ຒΊࠐΈϓϨʔϠ‫ػ‬ೳͱͦΕʹ‫ج‬ͮ͘࿈‫ʹܞ‬ΑͬͯɼͦΕͧΕʹਐల͕ಘΒΕͨͱ͍͑Δɽ
ԻָίϯςϯπͷσδλϧԽ͸ਐΜ͕ͩɼͦͷજࡏతͳՄೳੑ͸·ͩॆ෼ʹ͸Ҿ͖ग़͞Ε͓ͯΒͣɼैདྷ͸ଟྔͷָ‫ʹۂ‬ΞΫηεͰ͖ΔྔతͳมԽ͕த৺Ͱ͋ͬͨɽͦ͜ຊ
‫Ͱڀݚ‬͸ɼԻָίϯςϯπͷௌ͖ํ΍‫༻׆‬ͷ͞Εํ͕ΑΓೳಈతͰ๛͔ͰศརʹͳΔ࣭తͳมԽΛɼΤϯυϢʔβͷ೔ৗੜ‫ݙߩ͢͜ىͰ׆‬Λ͢Δ͜ͱΛ໨ࢦ͍ͯ͠ΔɽͦͷมԽΛ‫ͳͱݤ͢͜ى‬Δͷ͕ɼԻָཧղٕज़Ͱ͋Δɽ͜Ε·Ͱʹ΋Իָཧղٕज़ʹؔ࿈༷ͯ͠ʑͳ‫͞ͳ͕ڀݚ‬Ε͖͕ͯͨ [21–28]ɼࠓ‫ޙ‬ɼΑΓҰ૚ͷൃల͕ඞཁͰ͋Δɽຊ‫Ͱڀݚ‬΋͞Βʹߴ౓ͳԻָཧղٕज़Λ‫ڀݚ‬։ൃ͍ͯ͘͠ͱ‫ʹڞ‬ɼΤϯυϢʔβʹͱͬͯͷརศੑΛΑΓ޲্͢ΔͨΊͷ‫ڀݚ‬։ൃ΍ɼ༷ʑͳ࿈‫ʹܞ‬΋औΓ૊ΜͰ͍͘༧ఆͰ͋Δɽँࣙͷ࣮૷Λ୲౰ͯ͠௖͍ͨ઒࡚ ༟ଠ ࢯɼWeb σβΠϯͱϏδϡΞϥΠβΛ୲౰ͯ͠௖͍ͨᓎҪ ູ ࢯɼ֎෦ຒΊࠐΈϓϨʔϠͱ࣮ੈքσόΠεͷԻָ࿈ಈ੍‫ޚ‬Λ୲౰ͯ͠௖͍ͨҪ্ ོ޿ ࢯɼԻָཧղٕज़౳Λ୲౰ͯ͠௖͍ͨ౻‫߂ ݪ‬কࢯͱ Matthias Mauch ࢯʹ‫͢ँײ‬Δɽຊ‫ڀݚ‬ͷҰ෦͸ JST

CRESTʮOngaCREST ϓϩδΣΫτʯͷࢧԉΛड͚ͨɽࢀߟจ‫ݙ‬[1]ؔ܎ʯ΁ͷ‫ྗڠ‬ґཔΛड͚ɼSongle ͷΦϑϥΠϯ൛ʢΠϯλʔωοτ઀ଓͷͳ͍‫Ͱڥ؀‬ಈ࡞͢ΔσϞઐ༻όʔδϣϯʣ͕ɼ2013 ೥ 3 ݄ 23 ೔͔Β 6 ݄ 9 ೔·Ͱలࣔ͞Εͨɽ[2]·ͨɼ࢈‫ٕۀ‬ज़૯߹‫ॴڀݚ‬ͷలࣔࢪઃʮαΠΤϯεɾεΫΤΞ ͭ͘͹ʯͷৗઃలࣔͱͯ͠ɼಉ༷ʹ Songle ͷΦϑϥΠϯ൛͕ 2013 ೥ 4 ݄͔Βలࣔ͞Ε͍ͯΔɽ

c 2013 Information Processing Society of JapanSongle ͷ Web αʔϏεͷαʔόͱΫϥΠΞϯτ

[3]

Goto, M., Yoshii, K., Fujihara, H., Mauch, M. andNakano, T.: Songle: A Web Service for Active Music
Listening Improved by User Contributions, Proc. of ISMIR 2011, pp. 311–316 (2011).
‫ޙ‬౻ਅ޹ɼ٢Ҫ࿨Ղɼ౻‫߂ݪ‬কɼMauch, M.ɼத໺ྙ༃ɿ
Songle: Ϣʔβ͕‫ޡ‬Γగਖ਼ʹΑΓߩ‫ݙ‬ՄೳͳೳಈతԻָ
ؑ৆αʔϏεɼ৘ใॲཧֶձΠϯλϥΫγϣϯ 2012 ࿦จूɼpp. 1–8 (2012).
‫ޙ‬౻ਅ޹ɼ٢Ҫ࿨Ղɼ౻‫߂ݪ‬কɼMauch, M.ɼத໺ྙ༃ɿ
Songle: ԻָԻ‫ڹ‬৴߸ཧղٕज़ͱϢʔβʹΑΔ‫ޡ‬Γగਖ਼ʹ‫ͮ͘ج‬ೳಈతԻָؑ৆αʔϏεɼ৘ॲֶ࿦ɼVol. 54,
No. 4, pp. 1363–1372 (2013).

8

Vol.2013-MUS-100 No.16
2013/9/1

৘ใॲཧֶձ‫ڀݚ‬ใࠂ
IPSJ SIG Technical Report

[4]

[5]

[6]

[7]
[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

[17]

[18]

[19]

[20]

Goto, M., Ogata, J., Yoshii, K., Fujihara, H., Mauch,
M. and Nakano, T.: [Keynote talk] PodCastle andSongle: Crowdsourcing-Based Web Services for Spoken
Content Retrieval and Active Music Listening, Proc. ofthe 2012 ACM Workshop on Crowdsourcing for Multimedia (CrowdMM 2012), pp. 1–2 (2012).
Goto, M., Ogata, J., Yoshii, K., Fujihara, H., Mauch, M.
and Nakano, T.: PodCastle and Songle: CrowdsourcingBased Web Services for Retrieval and Browsing of Speechand Music Content, Proc. of the First International
Workshop on Crowdsourcing Web Search (CrowdSearch2012), pp. 36–41 (2012).
࢈‫ٕۀ‬ज़૯߹‫ॴڀݚ‬ɿϓϨεϦϦʔεʮΠϯλʔωοτ্ͷָ‫ۂ‬ͷத਎Λࣗಈղੳ͢ΔԻָؑ৆γεςϜʵ ୭Ͱ΋ར༻Ͱ͖ΔೳಈతԻָؑ৆αʔϏεʮSongleʯΛҰൠެ։ʵʯɼhttp://www.aist.go.jp/aist_j/press_release/pr2012/pr20120829/pr20120829.html (2012).
Goto, M.: Active Music Listening Interfaces Based on
Signal Processing, Proc. of ICASSP 2007 (2007).
‫ޙ‬౻ਅ޹ɿԻָԻ‫ڹ‬৴߸ཧղʹ‫ͮ͘ج‬ೳಈతԻָؑ৆ΠϯλϑΣʔεɼ৘ॲ‫ݚ‬ใԻָ৘ใՊֶ 2007-MUS-70-9ɼpp.
59–66 (2007).
‫ޙ‬౻ਅ޹ɿϦΞϧλΠϜԻָ৘‫هܠ‬ड़γεςϜ: શମߏ૝ͱԻߴਪఆख๏ͷ֦ுɼ৘ॲ‫ݚ‬ใ Իָ৘ใՊֶ 2000MUS-37-2ɼpp. 9–16 (2000).
Goto, M.: Music Scene Description Project: Toward
Audio-based Real-time Music Understanding, Proc. of
ISMIR 2003, pp. 231–232 (2003).
Goto, M.: A Real-time Music Scene Description System:
Predominant-F0 Estimation for Detecting Melody andBass Lines in Real-world Audio Signals, Speech Communication, Vol. 43, No. 4, pp. 311–329 (2004).
Goto, M.: Music Listening in the Future: Augmented
Music-Understanding Interfaces and Crowd Music Listening, Proc. of the AES 42nd International Conf. on
Semantic Audio, pp. 21–30 (2011).
Goto, M.: A Chorus-Section Detection Method for Musical Audio Signals and Its Application to a Music Listening Station, IEEE Trans. on ASLP, Vol. 14, No. 5,
pp. 1783–1794 (2006).
Fujihara, H., Goto, M., Kitahara, T. and Okuno, H. G.:
A Modeling of Singing Voice Robust to Accompaniment
Sounds and Its Application to Singer Identiﬁcation andVocal-Timbre-Similarity-Based Music Information Retrieval, IEEE Trans. on ASLP, Vol. 18, No. 3, pp. 638–
648 (2010).
‫ޙ‬౻ਅ޹ɿট଴ߨԋʮະདྷΛ੾Γ୓͘Իָ৘ใॲཧʯ
ɼ৘ॲ‫ݚ‬ใԻָ৘ใՊֶɼVol. 2013-MUS-99, No. 33, pp. 1–9(2013).
Ellis, D.: Robust Landmark-Based Audio Fingerprinting, http://labrosa.ee.columbia.edu/matlab/
fingerprint/ (2009).
Rubner, Y., Tomasi, C. and Guibas, L. J.: A Metricfor Distributions with Applications to Image Databases,
Proc. of ICCV 1998, pp. 59–66 (1998).
Rasmussen, C. E.: The Inﬁnite Gaussian Mixture Model,
In Advances in Neural Information Processing Systems
12, MIT Press, pp. 554–560 (2000).
‫ޙ‬౻ਅ޹ɼ‫ޱڮ‬തथɼ੢ଜ୓ҰɼԬɹོҰɿRWC ‫༻ڀݚ‬Իָσʔλϕʔε: ‫ڀݚ‬໨తͰར༻Մೳͳஶ࡞‫ॲݖ‬ཧࡁΈָ‫ۂ‬ɾָ‫ث‬Իσʔλϕʔεɼ৘ॲֶ࿦ɼVol. 45, No. 3,
pp. 728–738 (2004).
ΫϦϓτϯɾϑϡʔνϟʔɾϝσΟΞ‫ࣜג‬ձࣾɿϓϨεϦϦʔεʮʰϐΞϓϩʱ͕ʰSongleʱʹਖ਼ࣜରԠͨ͜͠ͱ
ʹ͍ͭͯͷ͓஌Βͤʯɼhttp://www.value-press.com/

c 2013 Information Processing Society of Japan


[21]
[22]
[23]

[24]

[25]

[26]

[27]

[28]

pressrelease/100718 (2012).
Klapuri, A. and Davy, M.(eds.): Signal Processing
Methods for Music Transcription, Springer (2006).
ࠧեࢁໜथɼُԬ߂࿨ɿղઆ “ࣗಈ࠾ේٕज़ͷల๬”ɼ೔ຊԻ‫ֶڹ‬ձࢽɼ Vol. 64, No. 12, pp. 715–720 (2008).
Casey, M., Veltkamp, R., Goto, M., Leman, M., Rhodes,
C. and Slaney, M.: Content-Based Music Information
Retrieval: Current Directions and Future Challenges,
Proceedings of the IEEE, Vol. 96, No. 4, pp. 668–696(2008).
ย‫د‬੖߂ɼന໦ળঘʢฤʣ
ɿಛूʮԻָ৘ใॲཧٕज़ͷ࠷લઢʯɼ৘ใॲཧ (৘ใॲཧֶձࢽ)ɼVol. 50, No. 8, pp.
709–772 (2009).
‫ޙ‬౻ਅ޹ɼॹํɹ३ɿԻָɾԻ੠ͷԻ‫ڹ‬৴߸ͷೝࣝɾཧղ
‫ڀݚ‬ͷಈ޲ɼίϯϐϡʔλιϑτ΢ΣΞ (೔ຊιϑτ΢Σ
ΞՊֶձ࿦จࢽ)ɼ Vol. 26, No. 1, pp. 4–24 (2009).
Muller, M., Ellis, D., Klapuri, A. and Richard, G.: Signal
Processing for Music Analysis, IEEE Journal of Selected
Topics in Signal Processing, Vol. 5, No. 6, pp. 1088–1110(2011).
Yoshii, K. and Goto, M.: Unsupervised Music Understanding Based on Nonparametric Bayesian Models,Proc. of ICASSP 2012, pp. 5353–5356 (2012).
ُԬ߂࿨ɿඇෛ஋ߦྻҼࢠ෼ղͷԻ‫ڹ‬৴߸ॲཧ΁ͷԠ༻ɼ೔ຊԻ‫ֶڹ‬ձࢽɼ Vol. 68, No. 11, pp. 559–565 (2012).

9