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Ce Inseamna Rezolutie Sd, Hd, Full Hd, Quad Hd Si 4K?


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Acest topic are rolul de a raspunde intrebarilor precum: Ce inseamna rezolutie SD, HD, Full HD, Quad HD si 4k? sau Ce rezolutie are SD? Dar HD?, si asa mai departe, pana la 4k.

Pentru inceput, rezolutia imaginii, reprezinta nivelul de detaliu, pe care il detine o imagine si este expusa sub numarul de pixeli care ii are imaginea pe latime (width) si pe inaltime (height).

Acum, le voi lua pe rand si voi spune pentru fiecare in parte ce inseamna prescurtarea si ce rezolutie are in spate:

  • SD = Standard Definition: 720 x 480 pixeli
  • HD = High Definition: 1280 x 720 pixeli
  • Full HD = Full High Definition: 1920 x 1080 pixeli
  • QFHD = Quad Full High Definition: 3840 x 2160 pixeli
  • 2k = 2000 de pixeli pe orizontala: 2048 x 1080 pixeli
  • 4k = 4000 de pixeli pe orizontala: 4096 x 2160 pixeli



In continuare, mi s-a parut foarte interesanta demonstratia de mai jos care arata diferentele dintre SD si HD:




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