Sharp vs Flat
suab paj nruag sab hnub poob yog txhua yam hais txog kev sau suab paj nruag. Ib daim ntawv qhia txog lub sijhawm ntawm lub suab thiab nws lub suab. Nws yog lub suab ntawm lub suab uas qhia peb tias qhov siab lossis qis npaum li cas. Ntxiv nrog rau suab, nws yog lub sijhawm ntawm daim ntawv uas tseem ceeb heev. Cov ntawv sau ib txwm ua si rau lub sijhawm tshwj xeeb, los tsim cov nyhuv xav tau. Muaj nyob rau hauv tag nrho xya daim ntawv txawm hais tias muaj sub divisions hu ua tiaj thiab ntse sau ntawv nyob rau hauv cov ntawv no. Ntau tus neeg tseem tsis meej pem ntawm cov ntawv ntse thiab tiaj tus thaum lawv tsis nkag siab lawv qhov sib txawv. Kab lus no sim nrhiav qhov sib txawv ntawm Sharp thiab Flat.
Cov neeg ntaus suab paj nruag feem ntau tsis tham txog cov zaus thiab lub voj voog, thiab lawv hais lus tsuas yog sau ntawv xwb. Xya lub ntuj sau ntawv yog A, B, C, D, E, F, thiab G. Cov ntawv no poob rau hauv ib qho octave. Txawm li cas los xij, ib tus kws ntaus suab paj nruag ua tsis meej pem thaum nws pom 12 sau ntawv hauv octave es tsis yog cov 7. Qhov no yog vim qhov sib ntxiv ntawm 5 sau ntawv hu ua ntse thiab flats. Thaum ib daim ntawv qis dua ib nrab kauj ruam tshaj li daim ntawv ntuj, nws yog sawv cev los ntawm lub tiaj tus kos npe. Feem ntau ntawm cov ntawv sau ntuj yog sib nrug los ntawm tag nrho cov kauj ruam txawm tias tseem muaj cov ntawv sau uas tsuas yog ib nrab kauj ruam sib nrug. Nws yog thaum qhov chaw nruab nrab ntawm ob daim ntawv yog tag nrho cov kauj ruam uas muaj peev xwm ua tau ib daim ntawv ntxiv ntawm lawv uas yog sawv cev raws li ib tug ntse los yog ib daim ntawv tiaj tus.
Thaum koj pom daim paib ntse, koj tam sim ntawd paub tias daim ntawv yog 'ib nrab kauj ruam' siab dua thaum koj pom daim paib tiaj tus, koj paub tias daim ntawv yog ib nrab kauj ruam qis dua li daim ntawv ntuj. Nws yuav tsum nco ntsoov tias qhov kev ncua deb ntawm ob daim ntawv ntuj yog tag nrho cov kauj ruam thaum lub sij hawm ntawm daim ntawv ntse los yog tiaj tus thiab tag nrho cov ntawv tsuas yog ib nrab kauj ruam. Yog li, C ntse yog ib nrab kauj ruam siab dua li cov ntawv sau ntuj C thaum C tiaj tus yog ib qho 'ib nrab kauj ruam' qis dua daim ntawv ntuj.
Qhov txawv ntawm Sharp thiab Flat Notes yog dab tsi?
• Ntxiv ib lub tiaj los yog ib qho ntse rau ib daim ntawv muaj txiaj ntsig ntawm kev txo qis lossis nce ib nrab kauj ruam.
• Ntxiv ib lub tiaj rau D daim ntawv thiab nws dhau los ua D-flat thaum ntxiv qhov ntse rau E yog zoo li ua kom nws D-ntse.
• A, B, C, D, thiab lwm yam yog naturals yam tsis muaj sharps los yog flats ntxiv rau lawv.