Lub ntsiab tseem ceeb ntawm cov ntxaij lim dej
Raws li cov txheej txheem ua tiav, nws muab faib ua analog lim thiab digital lim.
Raws li kev ntsuas zaus ntawm lub teeb liab dhau mus, nws muab faib ua tsib hom: qis dhau, siab dhau, band hla, band nres thiab tag nrho cov pass lim.
Kev lim dej tsawg tsawg: nws tso cai rau kev tso cai ntawm tsawg zaus lossis DC cov khoom siv hauv lub teeb liab, txwv tsis pub cov khoom siab lossis cuam tshuam loj thiab suab nrov;
High-pass lim: nws tso cai rau cov khoom siv hluav taws xob ntau hauv cov teeb liab kom dhau mus, kev txwv tsis pub tsawg lossis DC cov khoom siv;
Bandpass lim: Nws tso cai rau cov kab cim hauv qee cov kab sib txuas kom dhau, kev cuam tshuam cov cim taw qhia, cuam tshuam thiab suab nrov hauv qab lossis siab dua cov qhab;
Qhab-nres lim: Nws suppresses cov paib hauv qee qhov tsis sib luag thiab tso cai rau cov cim sab nraud ntawm pab pawg kom dhau, tseem hu ua notch cov ntxaij lim dej.
All-pass lim: Ib qhov dhau tag nrho cov lim txhais tau hais tias qhov dav ntawm lub teeb liab tsis hloov dhau ntawm qhov uas muaj ntau zaus, uas yog, qhov nce ntxiv hauv cov qhab tuaj yeej ib txwm sib npaug. Ib qho txhuas thoob plaws lim tau siv rau kev hloov mus rau theem, uas yog, txhawm rau hloov theem ntawm lub teeb liab tawm tswv yim. Qhov tsim nyog, qhov kev hloov theem mus raug yog ib feem ntawm qhov zaus, uas yog sib npaug nrog lub sijhawm qeeb ntawm lub cev.