With the universal coverage of network and digital technology, more and more high-definition smart electronic products, such as high-definition karaoke karaoke machines, high-definition digital TV, and high-definition digital DV, have appeared in life.
Ngokusabalala komhlaba wonke kwenethiwekhi nobuchwepheshe bedijithali, imikhiqizo eyanda kakhulu yokuchazwa ephezulu kwe-elekthronikhi, efana nemishini ye-karaoke karaoke enencazelo ephezulu, i-TV yedijithali enencazelo ephezulu, kanye ne-digital digital definition yencazelo ephezulu, ivele empilweni.