Thib ob |

los ntawm lat. thib ob - thib ob

1) Lub caij nyoog tsim los ntawm cov kauj ruam uas nyob ib sab ntawm lub suab paj nruag nplai; txhais los ntawm tus lej 2. Lawv txawv: qhov loj thib ob (b. 2), muaj 1 lub suab, ib lub thib ob me me (m. 2) – ^1/2 tones, incremental thib ob (amp. 2) – 1^1/2 tones, diminished thib ob (d. 2) – 0 tones (enharmonic sib npaug rau ntshiab prime). Qhov thib ob belongs rau cov naj npawb ntawm cov sijhawm yooj yim: me me thiab cov vib nas this loj yog diatonic ntu uas tsim los ntawm cov kauj ruam ntawm diatonic nplai (hom), thiab tig mus rau hauv qhov loj thiab me thib xya, feem; txo qis thiab augmented vib nas this yog chromatic intervals.

2) Harmonic ob lub suab, tsim los ntawm cov suab ntawm cov kauj ruam nyob sib ze ntawm lub suab paj nruag nplai.

3) Qhov thib ob theem ntawm diatonic nplai.

VA Vakhromeev