Hauv suab paj nruag, octave (: yim) lossis zoo meej octave yog qhov luv nruab nrab ntawm ib lub suab paj nruag thiab lwm qhov nrog ib nrab lossis ob npaug nws qhov zaus.
Nws yog txhais los ntawm ANSI raws li chav tsev ntawm zaus theem thaum lub hauv paus ntawm lub logarithm yog ob.
Txoj kev sib raug zoo octave yog ib qho tshwm sim uas tau raug xa mus rau "cov txuj ci tseem ceeb ntawm cov suab paj nruag", uas yog siv los ntawm "feem ntau hauv cov suab paj nruag feem ntau".
Cov suab paj nruag tseem ceeb tshaj plaws feem ntau yog sau siv yim sau ntawv, thiab lub sijhawm nruab nrab ntawm cov ntawv sau thawj zaug thiab zaum kawg yog octave.
Piv txwv li, C Major scale feem ntau yog sau CDEFGABC, thawj zaug thiab zaum kawg C's yog ib qho octave sib nrug. Ob daim ntawv sib cais los ntawm octave muaj tib lub npe ntawv thiab yog tib lub suab.
Peb feem ntau hais txog cov piv txwv ntawm cov suab paj nruag uas muaj qhov zoo tshaj plaws octave raws li lawv lub sijhawm qhib yog "Singin 'in the Rain", "Somewhere Over the Rainbow", thiab "Stranger on the Shore".
Lub ncua sij hawm ntawm thawj thiab thib ob harmonics ntawm lub harmonic series yog octave. Lub octave tau qee zaus hu ua diapason.
Txhawm rau hais tias nws yog ib lub sijhawm zoo meej (xws li kev sib koom ua ke, zoo kawg nkaus plaub, thiab thib tsib zoo meej), octave yog xaiv P8.
Lub octave saum toj no lossis hauv qab daim ntawv qhia yog qee zaum abbreviated 8va (= Italian all'ottava), 8va bassa (= Italian all'ottava bassa, qee zaum kuj 8vb), lossis tsuas yog 8 rau octave hauv kev taw qhia los ntawm kev tso cov cim saum toj no los yog hauv qab cov neeg ua haujlwm.
Kuv yog Joost Nusselder, tus tsim ntawm Neaera thiab tus neeg lag luam cov ntsiab lus, txiv, thiab nyiam sim cov cuab yeej tshiab nrog guitar ntawm lub siab ntawm kuv txoj kev mob siab rau, thiab ua ke nrog kuv pab neeg, Kuv tau tsim cov ntsiab lus ntawm blog txij li xyoo 2020. los pab cov neeg nyeem siab ncaj nrog cov ntaub ntawv kaw lus thiab cov lus qhia guitar.
