A yau duniya, sadarwa ne mai matuqar muhimmanci, akwai cikakken babu shakka game da wannan. Satellite tv yana daya daga cikin harkokin fasahar na 20th karni. Da ta samu saboda m tauraron dan adam fleets tura by daban-daban kamfanoni da da daban-daban dalilai, tauraron dan adam tv ya a hanyar kawo sadarwa.
A sadarwa tauraron dan adam daban-daban kamfanonin isar on an ƙara bambancin kewayon TV shirye-shirye. Kuma a lõkacin da ya zo da zažužžukan kana da for your tauraron dan adam tv tana karɓar, wannan zai ƙwarai dogara a kan sosai a yanayi na tauraron dan adam tv sabis da ka so don duba. Akwai tauraron dan adam tv shirye-shirye waxanda suke da (FTA). FTA sigar raguwa daga "free to iska". Duk da haka, akwai wasu tauraron dan adam tv ayyuka wanda aka rufaffen, kuma su ne kawai samuwa ga biyan kuɗi na daban-daban tauraron dan adam tv kamfanoni.
Wani muhimmin bambanci dole ne kuma a yi tsakanin tauraron dan adam tv ayyuka waxanda suke da analog da waɗanda waxanda suke da dijital. A analog ayyuka su ne bisa electromagnetic taguwar ruwa da sauye a cikin mita. Ni tabbata ka na ji na Kalmomin FM, wanda shine takaice don mita daidaitowa. Har ila yau, analogue watsa iya bambanta a tsanani. A cikin karshen al'amarin, kan aiwatar ake kira amplitude daidaitowa, ko PM.
Amma digital sakonni ne daban-daban labarin gaba ɗaya. Kuma a, da muka shiga a cikin digital age, inda duk abin da yake yi daga mutane da yawa 0s and 1s. Wannan ne kuma ya ya a digital siginar da aka watsa shirye-shirye, a cikin jerin binary lambobi da ake kira ragowa. 1 nufin on, 0 yana nufin a kashe, kuma wannan shi ne yadda bayani ne a zahiri ka ruwaito zuwa kwamfuta circuitry.
A lokacin da yake magana game da halin kaka wani analog tauraron dan adam tv tana karɓar, shi ya dogara da yawan siffofin miƙa (as kowane sauran lantarki samfur). Akwai wasu low cost masu karba da daidaita babban saka farashi abubuwa a quality. Duk da haka, akwai downside. Kuma downside shi ne gaskiya cewa dole ne ma'aikaci tuna da dukan gyara cewa bukatar da za a yi da kuma kashe su, tare da kowane tauraron dan adam tv watsa shirye-shirye.
Duk da haka, tun da mu a cikin digital zamanin, akwai dama na dijital tauraron dan adam tv ayyuka wanda aka kunno kai a duk faɗin wurin. Da lambar za su ne kawai kara a cikin wadannan shekaru, akwai cikakken babu shakka game da wannan. Tambayar na MPEG compliancy ne mai matukar son, batun da yake.
Kuma wani bambanci daga analogue ayyuka ne da cewa digital ayyuka yawanci wani ɓangare na babban kunshin, wadda ta ƙunshi a cikin wani m array na channel zažužžukan. Wannan shi ne domin digital matsawa da ke sa hada more tashoshi a cikin wani aure digital rafi yiwu. Wannan shi ne yadda za "bouquets" an halitta, kuma waɗannan kunshe-kunshe da babban roko ga mutãne waɗanda suke ko da yaushe so "duk a daya". Samun mahara tashoshi a cikin wani aure kunshin sosai dace, kamar yadda kuma da iri tv tashoshin fito fili a duk faɗin duniya. Wadannan tashoshin suna na musamman. Idan kana son ka so wasanni, nisha, ko duk abin da kuma kuma daga faɗin duniya, a can ba ya da wani alhẽri lokacin da cewa da taimakon digital tauraron dan adam tv.
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