Sekuyisikhathi eside esidlule sesivele sidlule, lapho zonke iziteshi zethelevishini zingabalwa ngeminwe yesandla esisodwa. Namuhla, lapho umthethosivivinywa weziteshi ezitholakala ukubuka kuya kumakhulu, ngaphambi kokuba umamateur adlule kusihlwa esikrinini esibuhlaza kunenkinga yokuxhuma kahle isamukeli se-satellite ku-TV. Ukuqonda ezinye zobungcweti bale nqubo kuzosiza izeluleko zethu.
Indlela yokuxhuma umamukeli ku-TV "nge-tulip"?
Isixhumi esihlanganisiwe, isixhumi se-RCA, saziwa kangcono kubantu bethu njenge "tulip" - enye yezindlela ezindala kakhulu zokuxhuma noma iyiphi imishini yokulalelwayo nevidiyo. Kulo xhumano, isignali idluliselwa ngamakhodi amathathu ahlukene: isignali yevidiyo futhi ngokwehlukile iziteshi zomsindo ezilalelwayo. Isixhumanisi ngasinye sinombala wekhodi, ngakho-ke uma uxhuma umamukeli ku-TV "nge-tulip" akukho lutho oluyinkimbinkimbi - vele uxhumane nezixhumi zombala ofanayo ku- TV nakumamukeli. Izinkinga zale ndlela yokuxhumana zihlanganisa ukulahlekelwa okuphawulekayo (uma kungenjalo okukhulu) kwekhwalithi yesignali, ngenxa yalokho isithombe esifika ku-TV enokuphazamiseka okukhulu. Yingakho, ukuxhuma umamukeli ku-TV ngokusebenzisa "i-tulip", ungabi nesithombe esiphezulu kakhulu. Le ndlela ingasetshenziswa njengenye yezindlela zokuxhuma umamukeli ku-TV endala - ene-diagonal encane noma ephathekayo.
Ezinye izindlela zokuxhuma umamukeli ku-TV
Ake sicabangele ezinye izindlela zokuxhuma umamukeli ku-TV:
- Isixhumi se-S - Ividiyo ikuvumela ukuthi uthole isithombe sekhwalithi ephakeme, kepha udinga ukusebenzisa ikhebula elihlukile lokudlulisa umsindo;
- Isixhumi se-SCART - indlela ejwayelekile kunazo zonke yokuxhuma, okuvumela ukuthi ungatholi isithombe esiphezulu kuphela, kodwa futhi nesimiso se-stereo;
- Isixhumi se-HDMI yindlela yokuxhuma kakhulu yanamuhla, inikeza isithombe esiphezulu sokuxazulula futhi sivumela ukudluliswa kwedatha yedijithali.
Ngingaxhuma ama-TV amabili kumamukeli?
Isidingo sokuxhuma abamukeli abaningana kumamukeli owodwa ngesikhathi esisodwa kwenzeka njalo phakathi kwabasebenzisi. Ukuze uxazulule le nkinga, umamukeli uxhumeke nge-RF isixhumi, esibizwa nangokuthi "okokufaka kwe-antenna". Kulesi simo, i-receiver ngokwayo kufanele ifakwe nge-modulator ye-RF ephezulu. Kuyiqiniso, ikhwalithi yesithombe nayo izoshiya okuhle kakhulu, ngakho abanikazi be-TV ezinkulu zanamuhla abasondela kule ndlela.