The Fifth International Symposium on Traditional Polyphony ...

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morimoto masako, honda manabu, niSina emi, kavai norie, oohaSi cutomu
2004). pirvelyovlisa, gamovcadeT momRerlis Cawerili xmis monacemebi DAQ Card-6062E-is ga–
moyenebiT da misi mowyobilobis programuli uzrunvelyofiT (National Instruments Co., Austin,
USA), pirobiTi sixSiriT 250 kHz. yoveli 20-msec droisaTvis, 10 msec–is nawilobrivi damTx–
veviT, xmis monacemebis siZlieris speqtri gamovTvaleT maqsimaluri enTropiis meTodiT,
romelic, rogorc cnobilia, mosaxerxebelia swored mokle periodis monacemebis zusti
speqtruli SefasebisaTvis. sixSiris rezolucia iyo 500 Hz. Sefasebuli simZlavris speqtri
demonstrirebuli iyo samganzomilebian erTobliobaSi. speqtruli Sefaseba da samgan–
zomilebiani gamosaxuleba Seqmna MATLAB-ma (<strong>The</strong> MathWorks, Inc., Natick, USA).
Semdeg, Cven gamovimuSaveT ori indeqsi, romelmac, saSualeba mogvca, raodenobrivad
Segvefasebina bgeris speqtris rxevis sirTule. pirveli indeqsi, saxelwodebiT ME _ speqtris
jamuri pirveli rigis diferencialuri varireba [<strong>The</strong> Summed First Order Differential Variation of ME
Spectra (1st-SDVM)] (sur. 1), sazRvravda ME speqtris droiTi rxevis raodenobas. ME speqtri,
romelic 500 Hz rezoluciis sixSiriT, yovel 10 msec–Si ixazeboda, diferencirebuli iyo
droiTi mimarTulebiT. kerZod ki, pirveli rigis diferenciali garkveuli simZlavrisa da
Semdgomi simZlavris speqtris TiToeul sixSires Soris, gamoTvlili iyo dB-Si. pirveli
diferencialebis absoluturi Rirebulebebi, kerZod ki, gansxvavebis xarisxi simZlavreSi
(aRmasvlisa da daRmasvlis TvalsazrisiT), Sejamda yvela sixSiris gadakveTaze – 0-dan 48
kHz-mde. Semdeg, SevajameT mniSvnelobebi, romlebSic gaerTianda 500 msec-is ganmavlobaSi
gaanali-zebuli yvela monacemi da warmodgenilia, rogorc 1st-SDVM. es indeqsi warmoadgens
ara mxolod mcire cvlilebebs makrodroiT doneze, musikaluri bgerebis Sesabamisad,
aramed, mikrodroiT doneze _ ufro kompleqsur da rTul cvlilebebsac, romelic ver
daxasiaTdeba iseTi musikaluri niSnebiT, rogoricaa reverberacia da ataka.
miuxedavad imisa, rom 1 SDVM asaxavs cvlilebebs simZlavris speqtrSi, is ar asaxavs
cvlilebebis kompleqsurobas. sxva sityvebiT rom vTqvaT, 1 SDVM gviCvenebs udides sidi–
des Tanabari aRmasvlis, Tanabari daRmasvlisa Tu uecari cvlilebebis SemTxvevaSi, rac
Seesatyviseba musikaluri bgeris did cvlilebebs. mikrodroiT doneze simZlavris speqt–
ris kompleqsuri cvlilebebis SefasebisTvis, kerZod ki, simZlavris speqtris arealSi sir–
Tulis SefasebisTvis, Cven, aseve, gamovimuSaveT ME – speqtris jamuri meore rigis dife–
rencialuri varireba [<strong>The</strong> Summed Second Order Differential Variation of ME Spectra (2 SDVM)] (sur. 2).
1 SDVM–is msgavsad, meore rigis diferencialebi gamovTvaleT da maTi absoluturi mni–
Svneloba SevajameT yvela sixSiris rigSi 0-dan 48 kHz–mde droiT periodSi 500 msec.
3. Sedegebi
suraTi 3 gviCvenebs qarTuli tradiciuli mravalxmianobis solo simRerisa da saopero
solo simReris ME speqtrul Slas. tradiciuli qarTuli sasimRero xma Seicavs mdidar,
smeniT araaRqmad maRali sixSiris komponents 40 kHz-ze zeviT. damatebiT, sanam ZiriTadi
tonaloba grZeldeba, xmiT araaRqmadi maRali sixSiris komponenti ar aris uZravi da icv–
leba rTuli gziT. amis sapirispirod, sasimRero xma bel canto ar Seicavs smeniT araaRqmad
maRali sixSiris komponents da xasiaTdeba simZlavris speqtris perioduli cvlilebiT
smeniT aRqmad rigSi, rac sawyiss iRebs vibratodan.
suraTi 4 gviCvenebs qarTuli da bel canto-s simReris 1 SDVM da 2 SDVM-s. orive indeqsi
cxadyofs met simZlavres qarTul simReraSi, vidre bel canto -Si; es adasturebs ideas, romlis