Septima |

los ntawm lat. Septima - xya

1) Ib ntus hauv ntim ntawm xya kauj ruam ntawm suab paj nruag. nplai; qhia los ntawm tus lej 7. Lawv txawv: me xya (m. 7), muaj 5 tones, loj xya (b. 7) – 5^1/2 tone, txo xya (min. 7) – 4^1/2 tones, nce xya (sw. 7) – 6 tones. Septima belongs rau tus naj npawb ntawm cov sij hawm yooj yim tsis tshaj ib qho octave; me thiab loj xya yog diatonic lub sij hawm, vim hais tias lawv yog tsim los ntawm cov kauj ruam ntawm diatonic. ntxhov siab thiab tig mus rau qhov loj thiab me vib nas this; diminished thiab augmented xya yog chromatic intervals.

2) Harmonic ob lub suab, tsim los ntawm cov suab nyob ntawm qhov deb ntawm xya kauj ruam.

3) Lub xya kauj ruam ntawm diatonic nplai.

4) Sab saum toj (sab sauv suab) ntawm xya chord. Saib Interval, Diatonic scale.

VA Vakhromeev