Dolby Digital, originally synonymous with Dolby AC-3 (see below), is the name for a family of audio compression technologies developed by Dolby Laboratories...

Dolby Digital Plus, also known as Enhanced AC-3 (and commonly abbreviated as DDP, DD+, E-AC-3 or EC-3), is a digital audio compression scheme developed...

Dolby Laboratories, Inc. (often shortened to Dolby Labs and known simply as Dolby) is a British-American technology corporation specializing in audio...

Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround....

Dolby Atmos is a surround sound technology developed by Dolby Laboratories. It expands on existing surround sound systems by adding height channels, interpreted...

competitors in multichannel theatrical audio are Dolby Digital and SDDS, although only Dolby Digital and DTS are used on DVDs and implemented in home...

A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog audio tape...

compatible hardware. Dolby TrueHD, along with Dolby Digital Plus (E-AC-3) and Dolby AC-4, is one of the intended successors to the Dolby Digital (AC-3) lossy...

Other titles support 1080p (HD) streaming with 5.1 Dolby Digital or Dolby Digital Plus audio, with Dolby Atmos coming soon to certain titles. For titles...

use Dolby Stereo sound. Dolby then developed a digital surround sound compression scheme for the cinema. Dolby Stereo Digital (now simply called Dolby Digital)...