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Contents
1.2. 3 2
3. POM CRRA ZI ORM RDT 7
4. 4 2 4
5. 3 2 5 3 2 1 7th 7 7th
6. 2 1564 it eT I CELIA ACH KH
7. LOL 1
8. May 1998 Brush de Samba DirectIVE 1 7 E
9. 2 Fy 7th V F 5 Bb Cm7 gt Fr gt Boaz Ilm gt Vz gt Imr 3 4 5 3 Bout Ebm 4
10. 1 8 1 5 5 4
11. 3 BY
12. 4 5 2 5 2 1 5 1 1
13. 1 5 10 2 5 1 2 2 5 1 1 1 a pk CW NH mm 1563 RA 1 Table 4 Results of subjective evaluation of the experiment 1 On Da PWN FE 10 2 1 75 8 22
14. A Supporting Method for Creative Music Performance Proposal of Musical Instrument with Fixed Mapping of Note functions KAZUSHI NISHIMOTO t HIROSHI WATANABE t ICHIROH UMATA 1 KENJI MASEt and RYOHEI NAKATSUt Many people cannot help but give up to play music because of difficulty of a musical theory or a manipulation of a musical instrument The authors aim to develop a musical instrument with which anyone can enjoy creating of music with the support of a computer In this paper we propose a concept called the fixed mapping of note functions With an ordinary musical instrument a specific pitch is always mapped on a specific position of the instrument this is a fixed mapping of pitch instrument However a note has other attributes A note function i e the emotional effect of a note depending on the temporal musical situation is one of them The mapping of a specific note function on a specific position is the basis of the fixed mapping of note functions concept In order to determine the note function a theoretical analysis is usually necessary Using the pro
15. T 1 Vol 39 No 5 2 Fig 2 A sample of a score used in jazz 3 1
16. L 4 MIDI MIDI MID1 X 2 combination diminished altered dominant 7th
17. 5 1 2 1565 5 2 3 1 2 3
18. CD 1557
19. gt May 1998 2 5 2 2 1 Ek
20. LOL ft CHAKA MusiKalscope 7
21. IEEE ACM 1969 1971 EBET NTT 1980 E 1990 E NTT 1991 NTT 1994 ATR PR ATR HA 1978 1996 IMS 96 RE IEEE
22. Eo s 1 1558 1 Table 1 A sample classification of notes based on consonance 1 4 5 3 3 BOK 6 2 2 4 7 RTE 1 2 2 7 1 12 1 9
23. MIDI Musical Instrument Digital Interface SGI Indy MIDI Indy KORG i1 Backing Sequence Li MIDI MIDI 4 2 4 2 1 4 1561 4 Fig 4 So
24. C D L II BE 1 C 77 CPI 3 1940
25. ATR 2 M HR 1 z Vol 12 No 5 pp 63 71 1995 2 SIGMUS Vol 9 No 2 pp 7 12 1995 3 B FERA OK Vol 36 No 1 pp 139 152 1995 4 1994 5 Jazz Study 1970 Vol 39 No 5 6 SIGMUS Vol 16 No 6 pp 33 38 1996 7
26. 1 LDR 9 3 11 JN 5 FNR 13 YO 7 AZ F BE A May 1998 BA LEL
27. 1 CORR L 1 1
28. 2 2 1 2 1 1 2 1
29. 4 1 2 3 FO 4 FS
30. Vol 39 No 5 1 1 2
31. 3 Ae OH SEV SHE CH All The Things You Are All The Things You Are 2 All The Things You Are Bu 3
32. 2 1562 F
33. Ew 2 K4 1 1 2 8 BR 4 8
34. 2 A AR 12 12 locrian 1 9 1 1 9
35. AZAS FEACH 1567 1992 Ob 1997 3 ARVO 1993 1995 1979 1981 NTT Att 1988 1989 MIT RA 1995 ATR
36. 1559 PZ 5 7th 1 7th E 7 7th FOR
37. 9 gt RE HR 2 C dorian 4 F mixo1ydian 4 B ionian 4 E 1ydian 4 B Bb 4 2 4 MIDI 1 7 5
38. 4 BCH 5 WERT 6 2 2 1 LE HAF s 2 s so s 2 Mm Fy amp Eo s so FE Eo Z pitch
39. 3 2 1 1 12 4 hic 1 3 5 7 F PIKE May 1998 KHZ Table 3 Correspondence between note name in a chord or a scale and actual interval of the note from the root note 1
40. OCTK 620L 8 Band in a Box 6 0 for Macintosh 1996 9 Casiotone CT 647 10 Borchers J and Muhlhaser M Musical Design Patterns An Example of a Human Centered Model of Interactive Multimedia Proc International Conference on Multime dia Computing and Systems pp 63 70 IEEE 1997 11 Kotani A and Maes P An Environment For Musical Collaboration Between Agents and Users Proc Lifelike Computer Characters 795 p 54 1995 12 Sparacino F Choreographing media for in teractive virtual environments Master s The sis Media Arts and Sciences M I T 1996 13 Fels S Nishimoto K and Mase K Musikalscope A Graphical Musical Instru ment Proc International Conference on Mul timedia Computing and Systems pp 55 62 1996 9 6 30 9 12 1 1987 TEER Att OSI 1992 ATR ATR
41. 1 1 C C 5 G Ens Ok A G A 7 A 5 May 1998 1 Fig 1 A sample of fxed note function type musical in strument based on consonance or dissonance func tion of notes
42. 12 1 T 6 1566
43. EFTA Nd Vol 39 No 5 5 BR 5 1 5 1 1 1 16 6 9 1 2 2 4
44. 3 7 Vol 39 No 5 Si LETITE Audio signal R MIDI data 3 Fig 3 The total system structure with the prototype instrument 4 4 1 x 3
45. Vu 3 2 2 2 2 p M m Fe a d M3 3 d5 5 3 2 3 1560 2 Table 2 Correspondence between chords and available note scales pl M2 M3 p4 p5 M6 M7 ionian 7 dorian pl M2 m3 p4 p5 M6 m7 7 phrygian pl m2 m3 p4 p5 m6 m7 IVm7 lydian p1 M2 M3 a4 p5 M6 M7 Vy mixolydian pl M2 M3 p4 p5 M6 m7 Vr aeolian pl M2 m3 p4 p5 m6 m7 loc
46. 1 9 2 iF AQ BE 2 3 3 3 11 4 4 4 5 5 5 5 13 6 FLO BE 6 7 7 7 7 ETAL 3 C E G Cm C Eb G 1 5 3 7 3 D Cur C E G B amp Or 7 2 id
47. WorldBeat 9 CT 647 WorldBeat CT 647 BRO RAMEKE COBER COED G mixolydian it B D VORICG WorldBeat Vol 39 No 5 2
48. CTK 620L LUXS CSS LIC VUCWS COL ORAZ PG Music Band in a Box 9 OT 647
49. 1 1 PEET 2 3
50. 5 Fur 7 3 12 2 1 Eb 2 A 3 D ic 4 BHA CIE GIL 3 3 12
51. J AIST Repository httos dspace jaist ac jp UD Title HHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHH iron 00 00 O0 0 OU UOU UU UODO O UU HHHHHH HH UU UU OLUD D 0 00 UU UU UU HHHHHHHHH 39 5 1998 1556 1567 HHHHHHHEHHHHHHHHHHHHHHHL HHHHHHHHHHHHHHHHHHHHHHHL HHHHHHHHHHHHHHHHHHHHHHHL HIHHHHHHHHHHHHHHHHHHHHHHL HHHHHHHHHHHHHHHHH NOticefor the use of this naterial The copyright of this naterial is retained by the I nfornati on Processi ng Soci ety of J apan IP9 This naterial IS published on this web site wth the agreenert of the author s and the PS Pl ease be conpl ied wth Copyri ght Law of J apan and the Code of Ethics of the IPSJ if any users wsh to reproduce nake deri vati ve work distri bute or nake avail able to the public any part or whol e thereof Al Rights Reserved Copyright Q nfornati on Processing Soci ety of J apan pen JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY J apan Advanced Institute of Science and Technology Vol 39 No 5 May 1998 et Bote a
52. ftware module structure of the prototype instrument 4 2 2 WO OBKACHIIT 4 2 Cm7 4 Fd7 4 B M7 4 E M7 4 Fd7 F dominant 7th Fr B Bb 4 2 3 3 2
53. posed method however it becomes possible to directly extract notes with the required functions without any theoretical considerations and to exhibit creativity by combining the notes In this paper we show a prototype of an instru ment for improvisational jazz provide several subjective experimental results and dsicuss the possibilities of the method 1 ATR ATR Media Integration amp Communications Research Laboratories Nara Institute of Science and Technology A Presently with Osaka National Research Institute Agency of Industrial Science and Technology AIST Ministry of International Trade and Industry MITI ttt Division of Humanities and Social Sciences University Kobe 1556 1 2
54. rian pl m2 m3 p4 d5 m6 m7 3 2 1 2 C dorian F mixolydian Bb ionian Eb lydian 3 2 3 D F 3 2 4 6 9 11 13 3 1 2
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