High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV (including GoogleTV Roku boxes and AppleTV or built into "Smart Televisions"), Blu-ray video disc (BD), and internet downloads.
ఇంటర్నెట్ డౌన్లోడ్లు, బ్లూ-రే వీడియోలు, ఆపిల్ టీవీ దేనికి ఉదాహరణలు?
High-definition image sources