Analog television

Analog television, television innebär i dagligt tal att utsändningen av en TV-kanal sker i analog form, dvs att videosignalen direkt modulerar en bärvåg som motsvarar den önskade sändningsfrekvensen. Digital television innebär att videosignalen digitaliseras och komprimeras innan den modulerar bärvågen, (jämför digital television.)

All television var analog från början och digital television är införd för att få störningsfri överföring och utrymme för fler TV-kanaler.

Analoga televisionens olika färgsystem är

Markbundna analoga TV-nätet släcks ner

Många länder har övergått till digitala sändningar och har då också släckt ner de analoga sändningarna. Nedan följer några datum när det släckts ner i olika länder.

Noter

  1. ^ [a b c d e f g h i j k l] Jonason, Tobias; Fischer, Georg, Stenérus, Ann-Sofie (2008). Digitaliseringen an tv-mediet. Styrelsen för psykologiskt försvar 
  2. ^ "Bye-bye bunny ears / Israel switches from analog to digital TV" Arkiverad 3 april 2011 hämtat från the Wayback Machine. -Haaretz 31 mars 2011

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