High-definition

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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, which is used in HDTV broadcasting, as well as digital film and computer HD video file formats
  • High-Definition Multimedia Interface (HDMI), is an all-digital audio/video interface capable of transmitting uncompressed streams.
  • HDV, a format for recording high-definition video onto magnetic tape
  • HD DVD, a high-density optical disc format designed for the storage of data and high-definition video.
  • Blu-ray, a high-definition competitor to the HD DVD standard.
  • High Definition Audio (HD Audio), is a device driver interface (DDI) for audio and modem drivers developed by Intel
  • HiDef, is a 24 frames-per-second digital video format.

  • HD Radio, a name for iBiquity's digital radio system, often incorrectly expanded to "high-definition radio".
  • HD Photo, image file format formerly known as Windows Media Photo, no connection to high-definition multimedia
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