What is High-definition video?
'''High-definition video''' ('''HDTV Video''' or '''HD video''') is [[video]] of higher [[display resolution|resolution]] and quality than [[Standard-definition television|standard-definition]]. While there is no standardized meaning for ''high-definition'', generally any video image with considerably more than 480 vertical [[Scan line|scan lines]] (North America) or 576 vertical lines (Europe) is considered high-definition.<ref>{{cite book |last1=Lee |first1=Jack |title=Scalable Continuous Media Streaming Systems: Architecture, Design, Analysis and Implementation |date=2005 |publisher=[[John Wiley & Sons]] |isbn=9780470857649 |page=25 |url=https://books.google.com/books?id=7fuvu52cyNEC&pg=PA25}}</ref> 480 scan lines is generally the minimum even though the majority of systems greatly pass that. ==References== {{reflist}} {{stub}} [[Category:Television technology]] [[Category:Video]]