A fagen watsa shirye-shiryen dijital, na'urori masu sarrafa kai suna taka muhimmiyar rawa wajen ingantaccen watsa siginar talabijin da rediyo.Wannan labarin yana nufin fayyace menene headend na dijital da mahimmancin na'urar sarrafa kai a cikin wannan tsarin.
Menene headend na dijital?:
Kan dijital yana nufin tsakiyar cibiyar sadarwar watsa shirye-shiryen da ke karba, sarrafawa da rarraba tauraron dan adam, kebul ko talabijin na ƙasa da siginar rediyo.Ita ce zuciyar tsarin, tattara sigina daga maɓuɓɓuka da yawa da kuma canza su zuwa tsarin da ya dace don rarraba akan hanyar sadarwa.Ƙarshen gaba na dijital yana tabbatar da isar da abun ciki zuwa ga masu sauraro na ƙarshe a cikin inganci da daidaito.
Matsayin na'ura mai sarrafa kansa:
Theheadend processor wani muhimmin sashi ne na kan dijital kuma yana da alhakin sarrafawa da sarrafa sigina masu shigowa.Babban aikinsa shi ne aiwatarwa da yanke nau'ikan siginar sauti da bidiyo iri-iri zuwa nau'ikan da suka dace don rarrabawa a kan dandamali da na'urori da yawa.Yana aiki azaman ƙofa tsakanin abun ciki na mai watsa shirye-shirye da hanyar rarrabawa.
Mai sarrafa kai-karshen yana karɓar sigina daga tushe daban-daban kamar ciyarwar tauraron dan adam, tashoshi na gida da hanyoyin Intanet.Ana haɗe waɗannan sigina, an canza su kuma ana jujjuya su zuwa daidaitaccen tsari ta amfani da ƙwararrun ɓoyayyiyar bayanai da dabaru.Mai sarrafa na'ura yana haifar da nau'i-nau'i masu yawa, wanda shine tarin tashoshi ko ayyuka waɗanda za'a iya yada tare ta hanyar mita ɗaya.
Har ila yau, na'ura mai sarrafa kai yana sarrafa tsarin samun damar yanayi don tabbatar da amintaccen rarraba abun ciki.Yana rufaffen ɓoyewa da ɓoye sigina don hana shiga mara izini da satar fasaha.Bugu da ƙari, yana yin gwaje-gwaje masu inganci iri-iri da ayyukan sa ido don kiyaye amincin abubuwan watsa shirye-shirye.
Amfani da Ci gaba:
Yayin da fasahar ke ci gaba, masu sarrafa kai suna ci gaba da haɓakawa don tallafawa buƙatun watsa shirye-shiryen zamani.Yanzu sun haɗa da fasali kamar ingantaccen rikodin bidiyo, damar yawo, manyan codecs na sauti, da dacewa tare da matakan sufuri daban-daban.Waɗannan haɓakawa suna ba masu aiki damar sadar da babban abun ciki, sabis na mu'amala da ingantaccen amfani da bandwidth.
Mai sarrafa kai-karshen yana aiki azaman naúrar sarrafawa ta tsakiya, yana ba da sassauci da daidaitawa ga masu gudanar da cibiyar sadarwa.Yana ba su damar ƙarawa ko cire tashoshi cikin sauƙi, keɓance fakitin abun ciki, da daidaitawa ga canza abubuwan da masu sauraro suka zaɓa.Ta hanyar ɗimbin ƙididdiga, na'ura mai sarrafa kai-ƙarshen yana rarraba albarkatu bisa ga buƙata don haɓaka amfani da bandwidth, ta haka ne ke adana farashi ga masu aiki.
Kammalawa :
A takaice,masu sarrafa kaisune kashin bayan tsarin kai na dijital kuma suna da alhakin sarrafawa, sarrafawa, da rarraba siginar sauti da bidiyo a kan dandamali daban-daban.Yana taka muhimmiyar rawa wajen tabbatar da cewa masu kallo sun sami gogewar gani mai inganci mara kyau.Yayin da ci gaba ya ci gaba, masu sarrafa kai suna ci gaba da haɓakawa da daidaitawa zuwa yanayin watsa shirye-shiryen da ke canzawa koyaushe.
Lokacin aikawa: Nuwamba-09-2023