The Fifth International Symposium on Traditional Polyphony ...

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morimoto masako, honda manabu,
niSina emi, kavai noriesa da
oohaSi cutomu 1 (iaponia)
qarTuli tradiciuli mravalxmianobis bgeriTi struqturis kvleva:
rxevis struqturis raodenobrivi analizi
1. Sesavali
musikis dasavleTevropuli koncefcia, eyrdnoba ra tradiciul musikalur da audio–
Teoriebs, ucveleli bgeriTi struqturis mqone musikalur tonebs ganixilavs, rogorc
musikis ZiriTad komponents. komunikaciis mecnierebaSi bgeris sakomunikacio modelis Teo–
riis sapirispirod, Cven vamtkicebT musikis biologiur koncefcias, sadac musika Semdeg–
nairad ganisazRvreba: musika aris xelovnur bgeraTa sistema, romelic aaqtiurebs neiro–
nul smeniT sistemas da warmoqmnis sistemas, romelsac informaciuli struqtura gaaCnia;
igi makrodroiT doneze uzrunvelyofs geniTa da kulturiT kodirebul modelebs, maSin,
rodesac mikrodroiT doneze, mudmivad icvleba da, amdenad, aris meryevi (Oohashi, 2003; Mo–
rimoto, 2004). musikis SemoTavazebuli definicia, mudmivad cvalebadi informaciuli struq–
turiT, romlisTvisac, mikrodroiT doneze, arsobrivad, meryeobaa damaxasiaTebeli, SeuTav–
sebelia dasavlur koncefciasTan, vinaidan es ukanaskneli ucvlel `musikalur tonebs~ mu–
sikis Semadgeneli komponentis saxiT ganixilavs.
Cven winaswar gamovikvlieT qarTuli tradiciuli mravalxmianobis hipersimboluri bge–
radi struqtura da SevadareT igi sxva kulturebis sasimRero xmas, maqsimaluri enTropiis
analizis Teoriis gamoyenebiT (MESAM), imisaTvis, rom TvalsaCino gamxdariyo da davkvir–
vebodiT speqtrul rxevas mikrodroiT doneze. aRmoCnda, rom qarTuli tradiculi mraval–
xmianobis JReradi struqtura Seicavs Zlieri speqtris, mdidar droiT rxevebs mikrodroiT
doneze. Cveni wina meTodi (ix. winamdebare krebulSi; eyrdnoboda mTliani speqtris martiv
xarisxobriv gamokvlevas, magram ar iZleoda raime raodenobriv informacias speqtruli
rxevis kompleqsurobisa da xarisxis Sesaxeb. aRniSnulis gamo, winamdebare gamokvlevaSi
Cven, gamovimuSaveT indeqsi, maCvenebeli, romelmac saSualeba mogvca raodenobrivad Seg–
vefasebina bgeris speqtris rxevis kompleqsuroba.
2. meTodebi
Cven gavaanalizeT qarTuli tradiciuli mravalxmianobis ori nimuSi: Cakrulo (solo)
da xasanbegura (trio). isini Cawerilia 4939 mikrofiniT (Brüel & Kjær, Nærum, Denmark) da i. ia–
masakis mier SemuSavebuli erTbitiani kodirebis signalis procesoriT. am Caweris sistemas
aqvs pirobiTi sixSire 3.072MHz da kargi reagireba 100kHz–ze zeviT. SedarebisaTvis, Cven, ase–
ve, gavaanalizeT audioze Cawerili saopero solo partia (Cura, 2001).
siZlieris speqtruli analizi, mikrodroiT doneze, Sesrulebuli iyo MESAM-is gamo–
yenebiT, romelic eyrdnoba maqsimaluri enTropiis meTodis maTematikur formulas da siZli–
eris speqtralur pirobiT gamoTvlas autoregresiuli modelidan (Nishina, 2004; Morimoto,