Mu nyimbo, octave (: eyiti) kapena octave yabwino ndi mpata pakati pa liwu limodzi lanyimbo ndi lina ndi theka kapena kuwirikiza kawiri kawiri.
Zimatanthauzidwa ndi ANSI ngati gawo la mlingo wafupipafupi pamene maziko a logarithm ali awiri.
Ubale wa octave ndizochitika zachilengedwe zomwe zakhala zikutchedwa "chozizwitsa choyambirira cha nyimbo", zomwe zimagwiritsidwa ntchito "zofala m'magulu ambiri oimba".
Masikelo ofunikira kwambiri anyimbo amalembedwa pogwiritsa ntchito manotsi asanu ndi atatu, ndipo nthawi pakati pa zolemba zoyamba ndi zomaliza ndi octave.
Mwachitsanzo, C Major Kukula nthawi zambiri amalembedwa CDEFGABC, C koyambirira ndi komaliza kukhala octave mosiyana. Zolemba ziwiri zolekanitsidwa ndi octave zili ndi dzina lachilembo chimodzi ndipo ndi zamtundu womwewo.
Zitsanzo zitatu zodziwika bwino za nyimbo zokhala ndi octave yabwino kwambiri monga nthawi yotsegulira ndi "Singin' in the Rain", "Penapake Pamwamba pa Utawaleza", ndi "Stranger on the Shore".
Nthawi pakati pa ma harmonics oyamba ndi achiwiri amtundu wa harmonic ndi octave. Octave nthawi zina imatchedwa diapason.
Kuti mutsindike kuti iyi ndi imodzi mwamagawo abwino (kuphatikiza mgwirizano, wachinayi, ndichisanu chachisanu), octave imasankhidwa P8.
Octave pamwamba kapena pansi pa cholembera nthawi zina amafupikitsidwa 8va (= Chitaliyana all'ottava), 8va bassa (= Chitaliyana all'ottava bassa, nthawi zinanso 8vb), kapena mophweka 8 kwa octave mu njira yomwe yasonyezedwa poyika chizindikiro pamwambapa. kapena pansi pa antchito.
Ndine Joost Nusselder, woyambitsa Neaera komanso wotsatsa malonda, abambo, ndipo ndimakonda kuyesa zida zatsopano ndi gitala pamtima pa zomwe ndimakonda, ndipo pamodzi ndi gulu langa, ndakhala ndikupanga zolemba zakuya zamabulogu kuyambira 2020. kuthandiza owerenga okhulupirika ndi maupangiri ojambulira ndi gitala.
