Octave |

kusuka ku-lat. i-octava - eyesishiyagalombili

1) Idigri yesishiyagalombili yesikali se-diatonic.

2) Ukuphakama okuphansi kakhulu kwama-overtones (amathoni) akha umsindo ngamunye; ngokwenani oscillations libhekisela main. umsindo wesilinganiso semvelo njengo-2:1. Njengoba ithoni eyinhloko ibizwa ngokuthi ithoni yokuqala, i-octave overtone, ngokulandelana, ibhekwa njengesibili.

3) Ingxenye yomculo. isikali, esifaka konke okuyisisekelo. izinyathelo: yenza, re, mi, fa, usawoti, la, si, noma ama-semitones ayishumi nambili e-chromatic. gamma.

Wonke umculo. isikali sihlukaniswe sibe yisikhombisa esigcwele futhi ezimbili ezingaphelele O. Zihlelwe kusukela phansi kuya phezulu ngokulandelana okulandelayo: i-subcontroc-tava (imisindo emithathu ephezulu A2, B2, H2), counteroctave, O. enkulu, O. encane, yokuqala O. ., owesibili O., wesithathu O., owesine O., wesihlanu O. (umsindo owodwa ophansi - C5).

4) Isikhawu esihlanganisa izinyathelo eziyi-8 ze-diatonic. isikali namathoni ayisithupha aphelele. I-O. ingenye ye-diatonic ehlanzekile. izikhawu; i-acoustically ingungwaqa ophelele kakhulu. Iqokwe njengemsulwa 8. I-octave iphenduka ibe yi-prima emsulwa (okumsulwa 1); inganyuswa futhi yehliswe ngokulandela umthetho ojwayelekile wokuguqulwa kwezikhawu; isebenza njengesisekelo sokwakheka kwezikhawu ezihlanganisiwe (ezibanzi kune-octave). I-O. ivame ukusetshenziselwa ukuphinda kabili imisindo yomculo ukuze kunikeze umsindo ogcwele nokuzwakalayo, kanye nokuphinda kabili imisindo evumelanayo. amavoti, ingxenye enkulu ye-bass. Ekuqeqesheni ikhwaya, amabhesi aphansi (i-bass profundo), abizwa ngokuthi ama-octavists (bona i-Bass), aphathiswe ukusebenza kwemisindo yengxenye yebhesi ephindwe kabili ku-octave engezansi.

Amavesi e-Octave ayisici ikakhulukazi se-virtuoso pianoforte. umculo. Ukuphindwa kabili kwe-Octave nakho kuyatholakala emculweni. umkhiqizo. okwezinye izinsimbi. Izinhlobo ezahlukahlukene zokunyakaza okuhambisanayo kuma-octave zisetshenziswa njengobuchwepheshe. ukwamukelwa ngezinjongo zemfundo. Bheka isikali se-Diatonic, Isikali semvelo, Isikhawu.

VA Vakhromeev