Mumimhanzi, octave (: yechisere) kana yakakwana octave ndiyo chinguva pakati pekurira kwenziyo imwe neimwe nehafu kana kaviri kuwanda kwayo.
Inotsanangurwa ne ANSI sechikamu chefrequency level kana hwaro hwelogarithm huri mbiri.
Ukama hwe octave chinhu chechisikigo chakanzi "chishamiso chekutanga chemimhanzi", kushandiswa kwayo "kunowanikwa mumitambo yakawanda yemimhanzi".
Zviyero zvinonyanya kukosha zvemimhanzi zvinowanzo kunyorwa uchishandisa manotsi masere, uye nguva pakati pekutanga uye yekupedzisira manotsi ndeye octave.
Somuenzaniso, C Major scale inowanzo nyorwa CDEFGABC, yekutanga uye yekupedzisira C ichive octave yakaparadzana. Manotsi maviri akapatsanurwa neoctave ane zita rimwechete remavara uye ndeekirasi imwechete yepitch.
Mienzaniso mitatu inowanzotaurwa yenziyo dzine octave yakanaka senguva yavo yekuvhura inoti “Singin' in the Rain”, “Pamwe Pamusoro peMurarabungu”, uye “Stranger on the Shore”.
Iyo nguva pakati pekutanga neyechipiri harmonics yeharmonic akatevedzana ndeye octave. Octave yakambodanwa kunzi diapason.
Kusimbisa kuti ndiyo imwe yenguva dzakakwana (kusanganisira unison, yakakwana yechina, uye yechishanu yakakwana), octave inosarudzwa P8.
Octave pamusoro kana pazasi penoti inotaridzwa dzimwe nguva inodimburirwa 8va (= Italian all'ottava), 8va bassa (= Italian all'ottava bassa, dzimwe nguva futi 8vb), kana kungoti 8 kune octave munzira inoratidzwa nekuisa chiratidzo ichi pamusoro. kana pasi pevashandi.
Ini ndini Joost Nusselder, muvambi weNeaera uye mushambadzi wemukati, baba, uye ndinoda kuyedza michina mitsva ine gitare pamoyo pechido changu, uye pamwe nechikwata changu, ndanga ndichigadzira zvakadzama zvinyorwa zveblog kubva 2020. kubatsira vaverengi vakavimbika nekurekodha nemagitare.
