Subscription Some TV channels are partly funded from subscriptions; therefore, the signals are encrypted during the broadcast to ensure that only the paying subscribers have access to the decryption codes to watch pay television or specialty channels. Most subscription services are also funded by advertising.
SuBscRIpTiOn some Tv cHanNeLS ARe pARTlY funded fRom SubsCrIpTIons; thErEfORe, thE sigNAls Are EnCrYpteD During the bROadCast to ensURE that Only the payiNG sUbscribErs Have AcCess to ThE DeCRyPtion codeS To Watch Pay teLeViSion Or SpecialTy ChanneLs. MosT suBsCriptioN servicEs are alsO FuNdeD By adverTIsiNG.