Thaum siv cov khoom sib txawv, cov qauv tsim nyog thiab cov khoom yuav raug xaiv raws li tus qauv ntawm cov khoom. Tib yam muaj tseeb rau cov khoom siv digital TV modulator. Rau cov TVs digital nrog ntau qhov chaw, cov khoom sib txawv modulator kuj yuav tsum tau xaiv.
Digital TV PBI modulator yog qhov chaw txuag qhov chaw ruaj khov channel modulator, uas muaj 4 qhov txuas txuas ruaj khov, thiab PBI modulator tuaj yeem ntsia tau yooj yim ntawm tus qauv 19-inch txee. Digital TV modulators tam sim no siv ntau zaus. Peb paub zoo txog cable TV, kaw-circuit TV hauv thaj chaw nyob, tsev so, tsev so, tsev kho mob, tsev kawm ntawv, factories, kev saib xyuas kev nyab xeeb, kev qhia audio-visual, VOD video ntawm kev thov, tshaj tawm cov ntaub ntawv tshaj tawm thiab chaw da dej. Nws tuaj yeem pom hauv ntau qhov chaw lom zem.
