High-definition video
| Also known as |
- Add other possible names for this topic
High-definition (HD) video generally refers to any video system of higher resolution than standard-definition (SD) video, most commonly at display resolutions of 1280×720 (720p) or 1920×1080 (1080i or 1080p). This article discusses the general concepts of high-definition video, as opposed to its specific applications in television broadcast (HDTV), video recording formats (HDCAM, HDCAM-SR, DVCPRO HD, D5 HD, XDCAM HD, HDV and AVCHD), the optical disc delivery system Blu-ray Disc and the video tape format D-VHS.
Original HD specifications date back to the early 1980s, when Japan developed an 1125-line TV standard operating at 30 frames per second (fps). Japan presented their standard at an international meeting of television engineers in Algiers in 1981 and Japan's NHK presented its analog HDTV system at Swiss conference in 1983. The NHK system was standardized in the United States as SMPTE (Society of Motion Picture and Television Engineers) standard #240M in the early 1990s.
The...
full article at wikipedia
With the exception of Wikipedia summaries and some images the
content on this page is typically distributed under
the Creative Commons
Attribution license or Public Domain.
The original description for this topic was automatically generated from the Wikipedia article "High-definition video" licensed under the GNU Free Documentation License.
| Gallery | add an image |
There are no images for this topic yet.
Recent Discussions about High-definition video
no recent discussions
