
block pishak

chila tharatthilulla digital television traansmissionukalil, prathyekichu imej compression upayogikkunnavayil, oru block error oru saadhaarana tharam eraraanu. oru television chithratthil athinte saannidhyam oru soochanayaanu, 1) analog transmissionil itharathilulla pishak sambhavikkaan kazhiyaathathinal signal digitalaayi prakshepanam cheiyunnu, 2) digital television oru nischitha alavilulla edapedal sahikkaan roopakalppana cheythirikkunnathinaal ganyamaaya alavil shabdamundu. block pishakukal saadhaaranayaayi kandethunnu, pakshe sariyaakkunnilla, sweekarikkunna upakaranam vazhi avaa saadhaaranayaayi television chithratthil shoonyamaaya black boxukalaayi pradarshippikkunnu.
television chithrangal saadhaaranayaayi engane compress cheiyunnuvennathinaal, orotta frameile oru block pishak palappozhum thudarnnulla niravadhi frameukalil black boxukalkku kaaranamaakunnu. ettavum mosham saahacharyathil, oro frameilum kurachu block pishakukal oru television prakshepanatthil ninnulla veediyo kaanaan kazhiyaathathaakkum.
digital saattalait televisionil block pishakukal ettavum saadhaaranamaanu, avide mosham kaalaavasthayo saattalait dishinte chalanamo broadcasterude niyanthranathinu purathulla edapedalukalkku kaaranamakum.
oru analog transmission avyakthavum ennaal ippozhum kaanaan kazhiyunnathumaaya edapedalinte thalangalil block pishakukal sambhavikkam. athinaal, enchineeyaringile trade oofukalude anantharafalangalude mikacha udaaharanamaanu block pishakukal. anuyojyamaaya saahacharyangalil, digital transmission prakadanatthil analog transmissione marikadakkunnundenkilum, signal-tuu-noys anupaathatthinte oru nischitha paridikk thaazhe, digital transmission amgeekarikkaanaavilla.

