Octaves ntawm lub piano

Lub sijhawm nruab nrab ntawm ob daim ntawv zoo tib yam hu ua ib octave . Txhawm rau txiav txim siab ib qho ntawm lawv, nws txaus los nrhiav daim ntawv "ua" ntawm cov keyboard thiab, txav mus los lossis nqis ntawm cov yuam sij dawb, suav yim daim, mus txog cov ntawv tom ntej ntawm tib lub npe.

Los ntawm Latin, lo lus " octave ”yog txhais li “yim”. Cov yim kauj ruam no cais cov ntawv ntawm ob lub octaves ntawm ib leeg, txiav txim siab lawv zaus - qhov ceev ntawm oscillation. Piv txwv li, lub zaus ntawm daim ntawv "la" ib octave yog 440 Hz , Thiab cov zaus ntawm cov ntawv zoo sib xws ib qho octave saum toj no yog 880 Hz . Qhov ntau zaus ntawm cov ntawv yog 2: 1 - qhov piv no yog qhov zoo siab tshaj plaws rau hnov. Ib tug qauv piano muaj 9 octaves, muab hais tias ib tug subcontroctave muaj peb sau ntawv thiab ib tug thib tsib muaj ib tug.

Octaves ntawm lub piano

Lub sijhawm nruab nrab ntawm tib cov ntawv ntawm ntau zaus yog octaves ntawm piano. Lawv tau teem rau hauv lub tib tus lej thiab nyob rau hauv tib txoj kev raws li nyob rau hauv lub piano. Nov yog pes tsawg octaves ntawm piano:

1. Subcontroctave - muaj peb daim ntawv.
2. Daim ntawv cog lus.
3. Loj.
4. Me me.
5. Ua Ntej.
6. Tue qw.
7. Peb.
8. Plaub.
9. Thib tsib - muaj ib daim ntawv.

Cov ntawv sau ntawm subcontroctave muaj lub suab qis tshaj plaws, qhov thib tsib muaj ib daim ntawv uas suab siab dua li lwm tus. Hauv kev xyaum, cov kws ntaus nkauj yuav tsum tau ntaus cov ntawv no tsawg heev. Cov ntawv siv feem ntau yog los ntawm qhov loj mus rau qhov thib peb octave.

Yog tias muaj ntau lub sijhawm ntawm lub piano raws li muaj octaves ntawm lub piano, ces cov octaves ntawm lub hluavtaws txawv tus lej ntawm cov cuab yeej qhia. Qhov no yog vim lub fact tias cov hluavtaws muaj tsawg tus yuam sij. Ua ntej yuav khoom siv suab paj nruag, nws tsim nyog xav txog qhov tshwj xeeb.

Me me thiab thawj octaves

Qee qhov feem ntau siv octaves yog cov me thiab thawj octaves ntawm piano lossis pianoforte. Thawj octave ntawm lub piano yog nyob rau hauv qhov chaw, txawm hais tias nws yog lub thib tsib nyob rau hauv ib tug kab, thiab thawj yog ib tug subcontroctave. Nws muaj cov ntawv sau nruab nrab qhov siab ntawm 261.63 txog 523.25 Hz , denoted los ntawm cov cim C4-B4. Cov lus ceeb toom nyob hauv qab lub suab me me octave qis qis nrog qhov zaus ntawm 130.81 txog 261.63 Hz .

Sau ntawv ntawm thawj octave

Cov ntawv sau ntawm thawj octave sau thawj peb kab ntawm staves ntawm treble clef. Cov cim ntawm thawj octave yog sau li no:

1. TO – ntawm thawj kab ntxiv.
2. PE - nyob rau hauv thawj kab.
3. MI - sau thawj kab.
4. FA – yog sau ntawm thawj thiab thib ob kab.
5. SALT - nyob rau hauv thib ob kav.
6. LA - nruab nrab ntawm peb thiab thib ob kab.
7. SI - ntawm kab thib peb.

Ntses thiab flats

Kev npaj ntawm octaves ntawm lub piano thiab piano suav nrog tsis yog cov yuam sij dawb xwb tab sis kuj yog cov yuam sij dub. Yog tias cov keyboard dawb qhia lub suab tseem ceeb - tones, ces cov xim dub - lawv qhov txawv txav los yog qis dua - semitones. Ntxiv rau qhov dawb, thawj octave muaj cov yuam sij dub: C-sharp, RE-sharp, FA-sharp, G-sharp, A-sharp. Nyob rau hauv cov suab paj nruas sau, lawv yog hu ua kev huam yuaj. Txhawm rau ua si sharps, koj yuav tsum nias tus yuam sij dub. Qhov kev zam tsuas yog MI-ntse thiab SI-sharp: lawv tau ua si ntawm cov yuam sij dawb FA thiab DO ntawm octave tom ntej.

Txhawm rau ua si tiaj tus, koj yuav tsum nias cov yuam sij nyob rau sab laug - lawv muab lub suab qis dua. Piv txwv li, lub tiaj D yog ua si ntawm tus yuam sij rau sab laug ntawm D dawb.

Yuav ua li cas ua si octaves kom raug

Tom qab tus kws ntaus suab paj nruag tau paub lub npe ntawm octaves ntawm lub piano, nws tsim nyog ua si teev - ib ntu ntawm cov ntawv sau ntawm ib qho octave. Rau kev kawm, C loj yog qhov zoo tshaj plaws. Nws yog tsim nyog pib nrog ib txhais tes, tsis tu ncua thiab maj mam, nrog rau qhov tseeb qhov chaw ntawm cov ntiv tes ntawm cov keyboard. Kom kawm paub ua li no, koj tuaj yeem rub tawm zaj lus qhia. Thaum ua si lub nplai nrog ib txhais tes yog kev ntseeg siab thiab meej, nws tsim nyog ua ib yam nrog rau thib ob tes.

Muaj ntau qhov ntsuas raws li tag nrho octaves - 7. Lawv raug ntaus sib cais nrog ib txhais tes lossis ob leeg. Raws li kev txawj loj hlob, nws tsim nyog nce kev pace kom cov dab teg tau siv rau kev ncab. Nws yog ib qho tseem ceeb uas yuav tsum kawm kom hloov qhov hnyav ntawm koj txhais tes mus rau cov yuam sij, ua kom koj lub xub pwg nyom dawb. Cov ntiv tes thiab dab teg ua kom ruaj khov, tau siv rau lub sijhawm.

Yog tias koj ua si teev tsis tu ncua, lub tswv yim ntawm \u200b\ u200boctaves raug ncua hauv lub siab, thiab txhais tes yuav txav nrawm dua lawv txhua lub sijhawm.

Rookie Yuam Kev

Pib musicians ua yuam kev hauv qab no:

1. Lawv tsis muaj lub tswv yim dav dav txog lub cuab yeej, nws cov cuab yeej.
2. Lawv tsis paub tias muaj pes tsawg octaves nyob ntawm lub piano, lawv hu li cas.
3. Lawv tsuas yog khi rau thawj octave lossis lawv pib qhov ntsuas tsuas yog los ntawm daim ntawv DO, yam tsis hloov mus rau lwm qhov octave thiab sau ntawv.

FAQ

Dab tsi yog qhov zoo dua los ua si lub octave: nrog tag nrho tes los yog nrog ib tug stroke ntawm txhuam?

Lub teeb octaves yuav tsum tau ua si nrog kev siv tes, tso tes qis, thaum lub octaves complex yuav tsum tau ua si nrog tes tsa siab.

Yuav ua li cas ua si octaves sai sai?

Tes thiab caj npab yuav tsum nruj me ntsis. Thaum nkees nkees, txoj hauj lwm yuav tsum tau hloov ntawm qhov qis mus rau siab thiab vice versa.

Summing txog

Tag nrho cov octaves ntawm lub piano, piano lossis grand piano yog 9, ntawm 7 octaves tag nrho, muaj yim sau ntawv. Ntawm ib tug synthesizer , tus naj npawb ntawm octaves nyob ntawm tus naj npawb ntawm cov ntawv thiab tej zaum yuav txawv ntawm cov twj paj nruag classic. Feem ntau, me me, thawj thiab thib ob octaves siv, tsis tshua muaj heev - subcontroctave thiab thib tsib octave . Yuav kom txawj octaves, ib tug yuav tsum ua si teev, pib ntawm qeeb lub sij hawm , nrog ib txhais tes thiab nrog qhov tseeb qhov chaw ntawm cov ntiv tes.