high definition


High-definition refers to an increase in display or visual resolution such as in:

  • High-definition television (HDTV), television formats that have a higher resolution than their contemporary counterparts
  • High-definition video, used in HDTV broadcasting, as well as digital film and computer HD video file formats
  • High-Definition Multimedia Interface (HDMI), all-digital audio/video interface capable of transmitting uncompressed streams.
  • HDV, format for recording high-definition video onto magnetic tape
  • HD DVD, discontinued optical disc format.
  • Intel High Definition Audio (HD Audio), device driver interface (DDI) for audio and modem drivers developed by Intel
  • DVD-Audio, optical DVD standard that focuses on high-definition and surround audio, published by the DVD Forum
  • HiDef, 24 frames-per-second digital video format

In music:

See also

  • HD Radio, name for iBiquity's digital radio system
  • HD Photo, image file format formerly known as Windows Media Photo
  • Redesign project, project set up by cable operators, equipment manufacturers, and research organisations

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