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パピプーーン:GTTMに基づく音楽要約システム

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(1)音 楽 情 報 科 学 46−5 (2002. 7. 7).      : GTTM    

(2)     4  5   6798;: <>= !@? <BADCFE !G#&%(' NTT  "!$#&%('*),+.-0/$102 3 M;}(H(NPs^I;OR~(JLQFKLSP€dTVl*UFƒWY‚;„nXP *Z\[^ZF]^†P‡^_P`(ˆ^ ^a;‰(bdc^Š^eg fihRŒ.jFFkVZVlPŽYln‘mPq’Loq“xpPr^ dsL_Ptv`•ux”\wR–—yq˜z^zvh*~d™*jLkVšq{xlP›Pl^Z\md†^QL‡^{F|Rˆ(ZQ ƒ y n ‹ œP*ZBždŸ^ d‰(Z(ŠP®Pyq¯qZqen ^bqQPhRGm\ ¡°;{B`²]R¢v±´³;Z;µx£¥¤§¶;·x¦¡¨;¸VŸx¹^pPºY©d»½sv¼Ytd¾B‰(¿YŠPlxyª®¥zYÀR«­lP¬Lb { ±à*ªás. xÄÐPQvÑ({qâx”\ÒLlªãxÓxpqQªËVÁ;ä^yªÂ,ånz æP ÄÃLlèQB“*ç ÔP PÕPŗÖ(ƃ”¥Çn×PȃÒn”BÉVËVå^lPy¥sL”BØxt(ÊPpª®dS*ÙP¯BË(_*ePyFBbFzvÚ;h*Ì*ÛVm\pP°L”\{FÜ*`VÍ^~vpªÎPËFÁd„;zFÂ—Ï hV ¡jqédkxêRld¢èl^ëPìRmvZª”¥Ýd–"ÞPÄßVzª¶Z ZB”PmPïPø\ídÒxëR¯vËVmƒðGÞdy^ƒß*±¥šLZ{ ZBàxÔ;á Õ; nÖYQq”¥{BñnânwnQ;l\tq›Rãné;ùªQqêY”Bî^¢PönadZ\÷nbvò;šècPó•ú§e ”\¦˜W(ï;ôLëRËR”\yBûPzdüxâV”\ËVånlªyªãdsFzLõ;tvhx_d_;jq`V`(kV”èpvlL–"ØRlnšB˜mvz öxQL÷L{dËLâ*wl\㍃]±ªZx¢\Q\ï;]V¯Pë¢m ®Línºªa.ý´mL”¥þ•ŠBt;{FéPêR¢\ÿVZ(”  Ršv~

(3) xZ VsB_d`Y”B‰nËVyBz [email protected]. [email protected]. generative theory of tonal (deductive object-oriented (least upper bound, lub). music (GTTM) database, DOOD). lub. TS-Editor. Summarizer. Summarizer. Summarizer. Papipuun: Music Summarization System based on GTTM Keiji Hirata. Shu Matsuda. NTT Communication Science Laboratories. Digital Art Creation. Abstract This paper presents a music summarization system called ”Papipuun” that we are developing. Papipuun performs quick listening in a manner similar to a stylus skipping on a scratched record, but the skipping occurs correctly at punctuations of musical phrases, not arbitrarily. First, we developed a method for representing polyphony based on time-span reduction in the generative theory of tonal music (GTTM) and the deductive object-oriented database (DOOD). The operation, least upper bound, plays an important role in similarity checking of polyphonies represented in our method. Next, in a preprocessing phase, a user analyzes a set piece by the time-span reduction, using a dedicated tool, called TS-Editor. For a real time phase, the user interacts with the main system, Summarizer, to perform music summarization. Summarizer discovers a piece structure by similarity checking. When the user identifies the fragments to be skipped, Summarizer deletes them and concatenates the rest. Papipuun can produce the music summarization of good quality, reflecting the atmosphere of an entire piece through interaction with the user..  . [; ];±ª_^(`(ynQd±F{qs [;½]Ra^nbdpPc;©;ensdtPZqòÙ;d_x“ ”vGô¦ {^•ËYšds! åV”\(ù ¤§' #¦ «­"§  ¥)§±\  s²Z\Ä[d ]*vad bv$c;ed%*Qvs*{\®qÑ(bR¢Fºƒ+{ & *(*¢Fy\{\z ³ ,-*Z .0/&1P*®BbYº32dSVZP~ 4LpPUBW657'xtY\~Lz ä@K^8ù ':{3? E A^9qL^pV®v{C;± b•M‘ºªK tP;Q -PQF ^ C{ ÌxNPB0 ;OC^Q;Dnr 'xFs <xtdE ÖP'*s^&õ y^L=;sŽ*•G; p Ex Ä{FR(FZ [PHŠ&]YI^9S'xZ 7{ J>t snŽRy\S¦ znWxùLÌ^ù­  XTVxU‘s Qv<x{‘Ö(Ñ(ZV¢B®FC{ b•*(º ¢B{‘ ³ ,-*_;Z^` ®B\bV]0º ^ õ _9 ò@`53'²ya(pbdcƒË(yFzF[^Y@](Z a^[ bdc^eqõxâVl ã;›dpnZ; [_XXd{de^exâVÎÎ lB<d<Pã*Ö*Ö*QqZnZ*[^®F®F] b(b(1Pº ºF;p ”FY0Xk Z xl[ s•j^_LùPt;` ;±q\”ÌV]hZ*^ i@®Bj;b(” ¬*f ºqgp” ¿nÀdç•ã+”¯;s@mªt• šL;~ByB[^n™ ]Rm.a^ zbdcnù\ZRe;ZFŽò ­d` “RoPp•>qç Ž pd¥t^¹ {rR>  ä? An `u‘[P]vw^Þ;ß0J0xRZyzY”{  yVùd±ƒõ. 1. (. (. ). ). |}65~'²y\z Jxnõ0 †•šFt^© ¦57˜R'{‡_tn*€ sRèU {RyB¯dE0zqmnL[;®q\@];lv_;ƒw;`@‚Võ$\0»„]0ù~\ 'ˆ²^ Web 9ªZF„(pqë0‰P1;pŠ@‹ ª ~ƒJ ;o Rx >猔+kvp l0¹jr yP‘Àv±ƒç({EZxL1 ®Bb(PŽ ºd탱v¶¯v´ m;{ ®FP llnP®vx‚ ±F¯B» snZ/Web º¥98.'c6yB‘’ ·*zFù8':[;]R¥9 a^Q;svbP¬c^.' eY€;±Bsmªc(B ~;md æ “@švv‘ Y”s;[n*! ”;{d•åd¯qVsõmPhË(®qZyí Jx ±qšBt |}`5~. ' yBz L [ d ] d _  ` ¥ ± G s ƒ  sxùdy¥±èïP ë* V yFzqyªs^[;Q];P—_;®ªÊx`Rb(Ë(Zqº\y´ÃdQqï;“R{\ëRQd]*” {¢d(ù8XF˜š' q™ Í`«ƒP1 up œ c„) –Vô&B›yƒ t˝ ðîx*Zš q’f0.¡žŒ±357¢@R' d  txî s;*Z^vsF’;õ*(¡ {Z = þ§ ½¦¶(pFl\ë ¿Ÿ ‘’ 9(¶Z ' ‘y\  z 2 Ýõn*£V Z yB¤ z¥§d¦ ¥9 Y QP±q{qšª]Yt ¢;Logan ± ZPa;bq¨ cdpFe ú [11]y q X d qu@Chu Í cC–`è t ¢@V ïPyèëï;ëx( © l^V ÇxynB±l;P° ª Ò±+šq« {¬ ±ƒ) ›&±ª53Qª' ͌~ u~­ ln¦¯®qÇVF5~(' l;Rªt^s” ©. 1 −29−.

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(6) OÊxx‡þ ÿžŠ~j¶ž· 2 äæåèçêéìë ´ ¸m žl{‘€‹n¢op qxr‹s˜ òž ‡ Ä M°;ß`( p0s@íPtxË(Ë(yBŗyè]Ƒ¢ªÇVÊ;ȑSPÉx“YlînZÐZ0cF1^íïYQd{R” ¢P®Pu¯qenšFt^bqhR{x›m ´ Å –¸jÇ¢¹žÈ h‹ÍñΌ Û åxDOOD Æ ‡ ËjÌd́Ώ‘Ê å  hB´ 1 2 æ ¸ ? § ^ ¨  l }    x  Œ ¯. € • ‡. °  ‡ j › O  '•”BÅ"ƑÇ;È´ÉxlLZ\Ô;Õ;ÖL×PÒxpvåxs^yVùv±´ &^yBz ¹mhdñ “åŒ| l tÕjn ‘ Êå ´x¸Œ mŠl ~j‘œ¶O€ ·µ‰´ ‡ ¸ 2 T@U Qn« ¬L{ generative theory of tonal music (GTTM) ° ‡› dªŒhËjÌdÍÎ Û  î !m°Uµj‘“" Û # Æ  h $ n Z q ® \ ¯ d e ¥ b x h ´ m q °  ` ± L ³ P µ F ¶ ^ · L ¸ v ¹ V º ¡ » x ¼ è ¾ x ¿ l ž z  Ü  l x }  é œ Ê  ›  h  % „. l x þ ÿ    d  Š

(7)  & d  j l “ ‘ €no [10] ®SxƒÀRËVlLyè¿Rb lx(DOOD) F p P Á  ƒ  — Å ‘ Æ x Ç ´ È x É d l ª ” Ê. p B q ‹ r ‰ s d u ‡  {. € ‡

(8) d. € j © ª    ^  é ( * ' Q ) ï" € % head [14, 9] ƒ ® P ò • ó ð&ñRšv~Lz GTTM Qv{ ñò0ó@ô „dlœËjÌmÍBÎxÛ î !{ dlB} ” ‡tnjoBp qr‹s˜jòO Š -.   QFZ¦¡{Fß 2úVÀnõRƒ1^p0t;FíVû Á0šF¡@øPtv1dõ0Íqp ù0uC²"–`ö@¦¯÷(53ü*'•qs~;[;Ã^E0];s LPßÊ;zÀ*Sd “YVZ yBzQF1 DOOD rýL µdò lB„KéíœÊ €j+•,têjh —žGTTM vxwþj* ± /m‡ C4 hŒ„d

(9) l 0OÜz{|dl} 1 Ê ì‹ÊB1 € #*2ž Š 3*4U§œ6 ô 5Œ‡z €tnjopŒqržs˜ DOOD ó pL[1]{± þn± øL¿xŠCZóí;KVï ” ÿ;srq z R DOOD @íFïxQ » ò‹ Z Š  1  .  5 ž 7 B ‡ t ± B v. ˜ ò 9 ž 8 ð :Ý ±d©Þ^‘“± ÚË*yF~4PpF–ånsP9š' yBZF( P{ y ispLa©dísqï t ) ”èÊdS àžŠ ;<5BôOl µx‘j‘Ê 5 [7]‡B} ±æ‘* ‘ Jackendoff [10] h‹ñ l{‘ head = ‡ žh Z y; ±

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(11) ‡ ?x¹ v “ordinary” z |ï-€B• 2 ( @A9BACEDFHGžq ) zŒ‡ ,x‰7]Va head  l Ì  ¯\ã [4, 2] {;*•˜ ¢La^bdc^e [3]Z {F³[5, m‡ ?x¹dv “fusion” z |ml} head d‡ ?x¹ éþŒÿæ§I ¨ 5B› ž ‡ -.d= h J9Km tlB}~ ¶‹·´ ¸ ¹ m z ¢ v ž € j n  o p  q ‹ r  s. ˜ ž ò j ‡ ©jhãfä ÊBå{ml±ž‡BÝ DOOD                    "  $ !  # %. &  '  (  ) " * + , $ .   / 0 ,12-34"5 6171-89: ;$< ='>()*"+-, .?>@ ±d©Þ^‘±Œà‹ Š L9Km tl‡xz €ç{è ‡‚ ƒ zm„  ± 1. 2 −30−.

(12) N C4,E4 N C4,E4,G4M O N C4,E4,G4 › d‡ š92 hBÊ5t‘`dlz{|*†KŽü} j O O M M M M M N C4,G4 O M ½ ½ ¾ N E4,G4 O N C4 O M ½ N E4,G4O M ½ 2.3 œž*Ÿ¡ 6¢¤£"n1¥l¦ M ½¾ ¾ M ½¾ ¾ M ½ Û§WŽ ›¢tv€=¨© Æ „¨Iªz«¬dÒdӓÔ{Õ P ( ) P ( ) ( ) GTTM h ­K§?¨tå {l}{ÊìtÊ €wd®9¯°t‡59X¢hjvx€ ÏWÐ ÒmӓÔ{ÕjŠ (£x¤ž¨ŒÛ ; °Œ6ž™ é ) §*Œ „ k¨ ¯Œ„ží“„x{‘aym  l}Œñœ 偀 €  vÏgÐ?Ò ÓÔ¢Õmé §³ ‹ Æl{ñOŽ GTTM ‡{nŒopŒqržs˜ŒòOбi ²  tl} Figure 2: @ABAC DEFQ‹ G q ‡ËjÌmÍBΠГÒ{ӓÔdÕt‘ v¢€Œ©jh{v ²æ ´ ‘xÊBåæ µ Ü ¶ ~ ޏ·!{hxÏÑ z¹9ºž‡ › ŒÛ9¹9»th¼të ¶ ‰å½Ñïüîm  Š=R¢ S  žl{‘€{¢‡ ±žhOñ 墥x¦G§ ¨tå j5 © ª C6ä Æ¾ qh=¿Á^À í‡m ‹µx‘‘ €‹zŒñt| ïÂl 9}š Ê‰Æ ìm„Ê €Ãj€ŽÛ“ Äj‡ƒ ƒxz{òK|{‘l} Ž «{v ð9:

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(135) ¨ , Vol.43, No.2, [3]. pp.277-286 (2002).. [6] Hirata, K., and Hiraga, R., Next Generation Performance Rendering - Exploiting Controllability, In Proceedings ICMC 2000, pp.360-363. [7]. { i , {-· , GTTM ,K©ª¸«B(–(¯ °(±(²(¹-º , ‘-’(“ ” k-•»–‘’— k-˜™•¼˜™’ › 2002-MUS-45,. pp.1–7 (2002).. [8] Huron, D., Perceptual and Cognitive Applications in Music Information Retrieval, In Proceedings of ISMIR 2000. [9] Kifer, M., Lausen, G., and Wu, J., Logical Foundations of Object-Oriented and Frame-Based Languages, Journal of ACM 42, 3 (1995). [10] Lerdahl, F., and Jackendoff, R., Generative Theory of Tonal Music, The MIT Press (1983). [11] Logan, B., and Chu, S., Music Summarization using Key Phrases, In Proceedings of ICASSP 2000. [12] Plaza, E., Cases as terms: A feature term approach to the structured representation of cases, Lecture Notes in Artificial Intelligence Vol.1000, pp.265-276, Springer-Verlag (1995). [13] Selfridge-Field, E., Conceptual and Representational Issues in Melodic Comparison, Computing in Musicology 11, pp.3-64 (1998). [14] Yokota, K., Towards an Integrated Knowledge-Base Management System: Overview of R&D on Databases and Knowledge Bases in the FGCS Project, In Proceedings of International Conference on Fifth Generation Computer Systems 1992, Institute for New Generation Computer Technology, pp.89-112.. 8 −36−.

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