º»¹®/³»¿ë
2.3 ÇÁ·¢Å» À½¾Ç
ÀÚ¿¬ÀÇ ±¸Á¶ ¼Ó¿¡´Â ÀÚ±â»ó»ç¶ó´Â ¼Ó¼ºÀÌ Àִµ¥ À½¾Çµµ ¸¶Âù°¡Áö·Î À¯»çÇÑ ±¸Á¶ÀÇ ¹Ýº¹ÀûÀΠƯ¡À» °¡Áö°í ÀÖ´Ù. ÇÁ·¢Å»ÀÇ ÀǹÌÀÖ´Â °ø°£ ä¿ò°ú À½¾ÇÀÇ Á¶È·Î¿î ¼Ò¸® ¸Å¿òÀÇ ¿¬°áÀÌ °¡´ÉÇÏ´Ù. ´ëÇ¥Àû ÇÁ·¢Å»ÀÎ dragon ÇÁ·¢Å»°ú pink(1/f) noise ÇÁ·¢Å»¿¡ ÀÇÇÑ À½¾ÇÀ» ÀçÇöÇÑ´Ù[4, 11, 13, 14].
Fig. 4ÀÇ Harter-Heightway dragon ÇÁ·¢Å»¿¡ ÀÇÇÑ À½¾ÇÀº initiator/generator ±â¹ýÀ¸·Î ¸¸µé¾îÁø x¿Í y°ªÀ» ±×´ë·Î ¶Ç´Â °öÇÏ¿© 1ÀÇ ÀÚ¸® °ªÀ¸·Î À½ÀÇ ³ôÀÌ(pitch)¿Í ±æÀÌ(duration)¸¦ ³ªÅ¸³½´Ù[13, 15].
x¿Í yÀÇ °öÀ» 10À¸·Î ³ª´« ³ª¸ÓÁö((x*y)%10) ¼ö¸¦ A¿¡¼ G±îÁöÀÇ À½ ³ôÀÌ(pitch)·Î ´ÙÀ½°ú °°ÀÌ ¹Ù²Û´Ù.
A
B
C
D
E
F
G
0/1
2/3
4/5
6
7
8
9
x¸¦ 10À¸·Î ³ª´« ³ª¸ÓÁö(x%10) ¼ö¸¦ #, b, ♮(natural)ÀÇ ¹ÝÀ½ ³ô³·ÀÌ(accidentals)·Î ´ÙÀ½°ú °°ÀÌ ¹Ù²Û´Ù.
#/b/♮(natural) = 0, 1, 2, 3 / 4, 5, 6 / 7, 8, 9
y¸¦ 10À¸·Î ³ª´« ³ª¸ÓÁö(y%10) ¼ö¸¦ 16ºÐ À½Ç¥(16th note)¿Í 8ºÐ À½Ç¥(8th note) µÎ Á¾·ùÀÇ¡¦(»ý·«)
Âü°í¹®Çå
Âü °í ¹® Çå
1. À±Áß¼±, ȲÀÎ, ¡°°¨¼ºÁö´ÉÀÇ ÆÐ·¯´ÙÀÓ : °¨¼ºÁ¢¼Ó/ÀçÇö°è,¡± Á¦¾î°èÃø ÀÚµ¿È ·Îº¸Æ½½º ¿¬±¸È¸ ÇÕµ¿ Çмú ¹ßǥȸ ³í¹®Áý, pp 208-211, 1998.
2. À±Áß¼± ¿Ü, ¡°Ã߻󿹼ú·Î¼ÀÇ ¼¾ç À½¾Ç,¡± Çѱ¹Á¤¹Ð°øÇÐȸ Ãß°èÇмú´ëȸ ³í¹®Áý, pp. 450-455, 1996.
3. Steven R. Holtzman, Digital Mantras, MIT Press, Cambridge, 1995.
4. Curtis Roads, The Computer Music Tutorial, MIT Press, Cambridge, 1996.
5. Denis Baggi, Readings in Computer-Generated Music, IEEE Computer Society Press, Los Alamitos, 1992.
6. ÁøÁß±Ç, ¹ÌÇÐ ¿Àµð¼¼ÀÌ 2, »û±æ, pp. 231-236, 1994.
7. Iannis Xenakis, Formalized Music, Revised edition, Pendragon Press, New York, 1992.
8. Patrick Edwin Swickard, ¡°Fractals, Chaos, and Music,¡± http://www.rose-hulman.edu/~swickape/fmusic.html, 1996.
9. Bruno Degazio, ¡°Nikola Tesla and Joseph Schillinger: The Music of NT: The Man Who Invented the Twentieth Century,¡± http://www-ks.rus.uni-stuttgart. de/people/schultz/fmusic/tesla.html, 1999.
10. Richard F. Voss and John Clarke, ¡°1/f noise in Music: Music from 1/f Noise,¡± J. Acoustical Society of America, Vol. 63, No. 1, pp. 258-263, Jan. 1978.
11. À±Áß¼±, ¡°¾Ë°í¸®Áò¿¡ ÀÇÇÑ À½¾ÇÀÇ ÀÛ°î,¡± Çѱ¹ÀÚµ¿Á¦¾î ÇмúȸÀÇ ³í¹®Áý, Á¦1±Ç, pp. 652-655, 1997.
12. Charles Dodge and Thomas A. Jerse, Computer Music: Synthesis, Composition, and Performance, 2nd ed., Schirmer Books, New York, 1997.
13. ÁÖµ¿¿í, À±Áß¼±, ¡°ÇÁ·¢Å» ¾Ë°í¸®Áò¿¡ ÀÇÇÑ À½¾ÇÀÇ ÀÛ°î,¡± Á¦¾î°èÃø ÀÚµ¿È ·Îº¸Æ½½º ¿¬±¸È¸ ÇÕµ¿ Çмú¹ßǥȸ ³í¹®Áý, pp. 209-212, 1997.
14. Menfred Schroeder, Fractals, Chaos, Power Laws, W. H. Freeman and Company, 1991.
15. R. Keefe, ¡°Composing by Musical Analog: A Look at Planetary Orbits,¡± IEEE Computer, vol. 24, pp. 72-75, 1991.
16. Bruno Degazio, ¡°The Evolution of Musical Organisms,¡± LEONARDO MUSIC JOURNAL, Vol. 7, pp. 27-33, 1997.
17. Ferando Iazzetta, ¡°GenComp: An Environment for Graphic Creation and Representation of Music Generated with Genetic Algorithms,¡± http://www.pucsp.br/~cos-puc/user/iazzetta/papers/gencomp.html, 1999.
18. Bruce L. Jacob, ¡°Composing with Genetic Algorithms,¡± International Computer Music Conference, Bauff Alberta, Canada, pp. 452-455, 1995.
19. Andrew Horner and David E. Goldberg, ¡°Genetic Algorithms and Computer-Assisted Music Composition,¡± Proceedings of the Fourth International Conference on Genetic Algorithms, Morgan Kauffman, San Mateo, CA., pp. 437-441, 1991.
20. John A. Biles, ¡°GenJam: A Genetic Algorithm for Generating Jazz Solos,¡± Proceedings of the International Music Conference, San Francisco, 1994.