MIDI cov lus yog qhov tseem ceeb ntawm MIDI kev sib txuas lus. Cov lus no yog cov lus uas koj lub suab paj nruag tau muab txhais ua kev nqis tes ua los ntawm MIDI-muaj peev xwm. Cia peb delve rau hauv ob peb yam piv txwv:
- Lus Ceeb Toom thiab Lus Ceeb Toom: Cov lus no qhia rau MIDI li thaum lub suab paj nruag yuav tsum pib (Note-On) thiab nres (Note-Off). Thaum koj nias tus yuam sij ntawm MIDI keyboard, nws tsim cov lus "Note-On". Cov lus no suav nrog cov ntaub ntawv hais txog qhov twg yuav tsum ua si thiab nrog lub zog (ceev). Cov khoom siv tau txais, xws li cov khoom siv hluav taws xob, teb los ntawm kev tsim cov suab paj nruag tshwj xeeb ntawm lub suab thiab qhov nrawm. Qhov no yog li cas MIDI tso cai rau koj los ua si suab paj nruag thiab chords.
- Tswj Hloov Cov Lus: Tswj kev hloov cov lus muab ib txoj hauv kev los kho qhov tsis xws li ntim, hloov kho, thiab lim txiav tawm. Cov kws ntaus nkauj siv cov lus no los tsim lub suab ntawm lawv cov cuab yeej.
- Program Hloov Cov Lus: MIDI tso cai rau koj hloov ntawm lub suab sib txawv (lub npe hu ua "patches" lossis "presets") seamlessly. Cov lus "Kev Hloov Kho" qhia cov cuab yeej tau txais hloov mus rau ib qho cuab yeej tshwj xeeb lossis lub suab preset, ua rau nws muaj peev xwm tshawb nrhiav ntau yam ntawm sonic possibilities hauv ib qho cuab yeej.
- Pitch Khoov Messages: Pitch khoov cov lus tswj lub suab sib txawv ntawm daim ntawv, ua cov txheej txheem zoo li vibrato ntawm cov twj paj nruag xws li synthesizers thiab keyboards.
- Tom qab ntawv Messages: Aftertouch cov lus qhia lub siab siv rau qhov tseem ceeb tom qab nws pib nias, ua kom muaj kev tswj xyuas ntau yam ntawm lub suab, zoo li vibrato lossis lim modulation.
Tam sim no peb tau tshawb nrhiav cov lus tseem ceeb ntawm MIDI, cia peb delve rau hauv cov cuab yeej siv tau siv los xa cov lus txib no.