Optical audio disc

The present page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved to this title. Related titles should be described in Optical audio disc, while unrelated titles should be moved to Optical audio disc (disambiguation).

An audio optical disc is an optical disc that stores sound information such as music or speech. It may specifically refer to:

• Compact disc (CD), an optical disc used to store digital data (700 MB storage)
  • Compact Disc Digital Audio (CD-DA), a CD that contains PCM encoded digital audio in the original "Red Book" CD-DA format
  • 5.1 Music Disc, an extension to the Red Book standard that uses DTS Coherent Acoustics 5.1 surround sound
  • Compressed audio optical disc, an optical disc storing MP3s and other compressed audio files as data, rather than in the Red Book format

• DVD, 4 GB single layer, 8 GB double layer storage
  • DVD-Audio, a DVD that plays audio
  • Super Audio CD (SACD), a format which competes with DVD-Audio

• Blu-ray, 25 GB single layer, 50 GB double layer
  • BD-Audio, a Blu-ray disc that is capable of audio-only playback

• Compatible Discrete 4 (CD-4), a variety of quadrophonic audio for vinyl records

This disambiguation page lists articles associated with the title Optical audio disc.
If an internal link led you here, you may wish to change the link to point directly to the intended article.