Preduvanie |

Preduvanie - nzira yekuburitsa manzwi ehurefu hwakasiyana pamhepo muses. zviridzwa pasina rubatsiro rwekutamba maburi, mavharuvhu kana mavharuvhu. Pamuromo wemhangura zvishandiso P. - osn. iyo nheyo yekubudisa inzwi, yehuni - inoshandiswa pakuchera manzwi mu 2nd uye 3 octaves yehuwandu hwavo. NaP., muimbi, pasina kushandura nzvimbo yeminwe, anowedzera zvakanyanya simba rekufemesa uye kushushikana kwemiromo, semhedzisiro iyo iyo mbiru yemhepo yakavharirwa mudhiramu chiteshi inokamurwa kuita yakazvimirira. zvikamu zvinonzwika zvakakwirira kudarika chikuru. toni dzechiridzwa, dzinoenderana nematanho echiyero chechisikigo: mbiru yemhepo, yakakamurwa kuva 2 halves, inopa 2nd yakasikwa ruzha (octave kubva kune huru toni); 3 pazvitatu - yechitatu ruzha rwechisikigo (octave pamwe nechishanu kubva kune huru toni); pachikamu chechina - 3th yakasikwa inzwi (4 octaves kubva kune huru toni). Kuwedzera kupatsanurwa kwekoramu yemhepo mumhepo yehuni inoshandiswa zvakanyanya kashoma, mundarira nerubatsiro rweP. vanosvika kugumi nematanhatu ruzha rwechisikigo. Apo P. pa clarinet, nekuda kwezvakasiyana zvekugadzirwa kwayo (cylindrical channel), kwete yechipiri, asi 4rd ruzha rwechisikigo runomuka, kureva, kwete octave, asi duodecime (iyo inonzi yechishanu P.). Pane oboes, clarinets, bassoons, pane zvakakosha. Iwo "octave" mavharuvhu anofambisa P.

S. Ya. Levin