Ma ke mele, he octave (: eighth) a i ole perfect octave ka wā mawaena ma waena o kekahi leo mele a me kekahi me ka hapalua a papalua paha kona alapine.
Ua wehewehe ʻia e ANSI ʻo ia ka ʻāpana o ka pae alapine (frequency level) inā ʻelua ke kumu o ka logarithm.
ʻO ka pilina octave he mea kūlohelohe ia i kapa ʻia ʻo "ka hana mana o ke mele", ʻo ka hoʻohana ʻana he "maʻamau i ka hapa nui o nā ʻōnaehana mele".
Hoʻohana maʻamau ʻia nā unahi mele koʻikoʻi me ka hoʻohana ʻana i ʻewalu memo, a ʻo ka wā ma waena o nā memo mua a me ka hope he octave.
No ka laʻana, ka C Major Pāku'i kākau ʻia ma CDEFGABC, ʻo ka C mua a me ka hope he octave kaawale. ʻElua mau memo i hoʻokaʻawale ʻia e ka octave i ka inoa leka like a me ka papa pitch like.
ʻEkolu mau laʻana o nā mele e hōʻike ana i ka octave maikaʻi loa e like me kā lākou wehe ʻana ʻo "Singin' in the Rain", "Somewhere Over the Rainbow", a me "Stranger on the Shore".
ʻO ka wā ma waena o ka harmonic mua a me ka lua o ka hui harmonic he octave. Ua kapa ʻia ka octave i kekahi manawa he diapason.
I mea e hoʻokūpaʻa ai ʻo ia kekahi o nā manawa kūpono (me ka unison, ka hā kūpono, a me ka lima kūpono), ua koho ʻia ka octave P8.
ʻO ka octave ma luna a ma lalo paha o kahi memo i hōʻike ʻia i kekahi manawa ua hoʻopau ʻia ʻo 8va (= Italian allʻottava), 8va bassa (= Italian allʻottava bassa, i kekahi manawa pū kekahi 8vb), a i ʻole 8 wale nō no ka octave ma ke kuhikuhi i kuhikuhi ʻia ma ke kau ʻana i kēia kaha ma luna. a i ʻole ma lalo o ke koʻokoʻo.
ʻO wau ʻo Joost Nusselder, ka mea nāna i hoʻokumu iā Neaera a me kahi mea kūʻai aku ʻike, makuakāne, a makemake hoʻi e hoʻāʻo i nā mea hana hou me ka guitar ma ka puʻuwai o koʻu makemake, a me kaʻu hui, ua hana wau i nā ʻatikala blog hohonu mai 2020 e kōkua i ka poʻe heluhelu kūpaʻa me nā ʻōlelo aʻoaʻo hoʻopaʻa leo a me nā kīkā.
