High definition

High definition or HD may refer to:

Visual technologies

  • HD DVD, discontinued optical disc format
  • HD Photo, former name for the JPEG XR image file format
  • HDV, format for recording high-definition video onto magnetic tape
  • HiDef, 24 frames-per-second digital video format
  • High-Definition Multimedia Interface (HDMI), all-digital audio/video interface capable of transmitting uncompressed streams
  • High-definition television (HDTV), television signals and apparatus with higher resolution than their contemporary counterparts
  • High-definition video, used in HDTV broadcasting, digital film, computer HD video file formats, and video games

Audio technologies

Music

Other

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