Taw qhia rau qis dhau filtering
Qhov ntsuas qis qis yog txoj kev lim dej. Txoj cai yog lub teeb liab tsawg kawg tuaj yeem hla dhau ib txwm, thiab lub teeb liab loj tshaj qhov tau teev tseg tau teeb tsa thiab tsis muaj zog. Txawm li cas los xij, qhov ntau ntawm cov block thiab attenuation yuav sib txawv raws li qhov zaus thiab cov txheej txheem lim dej sib txawv (cov hom phiaj). Nws qee zaum hu ua high-cut lim lossis treble-txiav lim. Qhov uas hla qis lim yog siab hla lim.