High-definition television

High-definition television (HD or HDTV) describes a television system providing a substantially higher image resolution than the previous generation of technologies. The term has been used since 1936;[1] in more recent times, it refers to the generation following standard-definition television (SDTV), often abbreviated to HDTV or HD-TV. It is the current de facto standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite television and Blu-ray Discs.


Share this article:

This article uses material from the Wikipedia article High-definition television, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.