Playback
Dolby playback technologies enable crystal-clear, efficiently packaged digital surround sound ideal for film, broadcast, and online entertainment.
Dolby Digital
Dolby® Digital is a powerful audio format that provides up to 5.1 channels of crystal-clear digital surround sound. Its ability to efficiently package audio for film, broadcast, and DVDs is based upon decades of research. A worldwide standard for broadcast television and DVDs, Dolby Digital delivers unrivaled audio in home theater systems for an exciting, enveloping surround sound experience.
Dolby Digital Features
- Delivers a powerful 5.1-channel surround sound experience at home
- Compatible with millions of home theater systems worldwide
- Brings entertainment to life—from movies and video games to TVs and beyond
Learn more about Dolby Digital.
Dolby Digital Plus
Dolby Digital Plus brings higher quality audio, dramatic 7.1-channel surround sound, and a variety of interactive features to the Blu-ray Disc™ format. It complements the video performance of the new high-definition video discs, with dramatic surround sound offering warmth, richness of tone, and clarity superior to DVD-Video. Dolby Digital Plus ensures a richer, more involving entertainment experience without compromising video performance or disc space for content extras. Dolby Digital Plus is compatible with millions of existing home theater systems and is ready for future home entertainment developments, with the capability to deliver up to 14 channels of surround sound.
Dolby Digital Plus Features
- Delivers up to 7.1 channels of dramatic surround sound
- Compatible with millions of existing A/V receivers
- Offers better-than-DVD sound quality from Blu-ray Discs
- Provides capability for many advanced interactive mixing and streaming features
Learn more about Dolby Digital Plus.
Dolby TrueHD
Dolby TrueHD is the ultimate high-definition audio experience for next-generation entertainment, delivering warm, realistic, and enveloping sound from the Blu-ray Disc format. Dolby TrueHD delivers spacious, highly realistic sound effects, and dynamic range that allows viewers at home to experience every detail of the original recording for a deeply involving listening experience. Dolby TrueHD can support up to 14 channels of surround sound; as currently implemented in high-definition discs, it supports up to eight channels of pristine audio playback. Dolby TrueHD bitstreams are supported by HDMI™ 1.3, a single-cable digital connection to high-definition home theater systems and HDTV displays.
Dolby TrueHD Features
- Unleashes the ultimate high-definition audio experience on next-generation players and entertainment media
- Provides 100 percent lossless audio, reproducing every detail of the original recording during playback
- Delivers up to 7.1 channels of surround sound in today’s formats and is expandable for the future
Learn more about Dolby TrueHD.