Lub quarter |

los ntawm lat. quarta - plaub

1) Ib ntu ntawm plaub kauj ruam; denoted los ntawm tus naj npawb 4. Lawv txawv: ib tug huv quart (ib ntu 4) muaj 2 ^1/2 suab nrov; nce quart (sw. 4) - 3 tones (tseem hu ua tritone); txo plaub (d. 4) - 2 tones; Tsis tas li ntawd, ib qho ntxiv ob npaug tuaj yeem tsim tau (ob zaug nce 4) - 3^1/2 tones thiab ob zaug txo plaub (ob lub siab. 4) – 1^1/2 laus.

Qhov thib plaub belongs rau tus naj npawb ntawm cov sij hawm yooj yim tsis tshaj ib octave; ntshiab thiab nce plaub yog diatonic lub sij hawm, vim hais tias lawv yog tsim los ntawm cov kauj ruam ntawm diatonic. scale thiab tig mus rau hauv ntshiab thiab diminished thib tsib, feem; tus so ntawm plaub yog chromatic.

2) Qib plaub ntawm diatonic nplai. Saib Interval, Diatonic scale.

VA Vakhromeev