Technologies Overview

Digital Audio for Playback

Dolby Technology Found In
Dolby TrueHD

Dolby TrueHD

Dolby® TrueHD is the ultimate high-definition audio experience for next-generation entertainment, delivering warm and enveloping sound from Blu-ray Disc and HD DVD. Dolby TrueHD delivers spacious, highly realistic sound effects and dynamic range that allows viewers to experience every detail of the original recording for a deeply involving listening experience. Learn more about Dolby TrueHD.

Home Entertainment, PC, Automotive
Dolby Digital Plus

Dolby Digital Plus

Dolby Digital Plus is the next-generation audio format that delivers "better-than-DVD" sound in high-definition packaged media because it requires less compression and provides more channels (up to 7.1). Dolby Digital Plus also provides new coding efficiencies for future broadcasting and streaming of multichannel audio. Learn more about Dolby Digital Plus.

Home Entertainment
Dolby Digital EX

Dolby Digital EX

Dolby Digital EX introduces a center rear channel to 5.1-channel playback, expanding the surround sound experience to 6.1 channels. It intelligently identifies audio information in the left and right surround channels. One or two speakers placed behind the listener provide increased realism for front-to-back sounds and those originating from directly behind the listener. Learn more about Dolby Digital EX.

Home Entertainment
Dolby Digital

Dolby Digital

Dolby Digital is a powerful audio format that provides up to 5.1 separate channels of crystal-clear digital surround sound that brings entertainment to life. A worldwide standard in film, broadcast, and DVDs, Dolby Digital delivers unrivalled audio in home theater systems for an exciting, enveloping surround sound experience. Learn more about Dolby Digital.

Home Entertainment, PC, Games, Automotive, Motion Pictures
Dolby Digital Surround EX

Dolby Digital Surround EX 

Dolby Digital Surround EX is the surround sound format that introduces a center rear channel to the 5.1 playback format of Dolby Digital. This additional channel clarifies audio effects that pan from front to back and improves the realism of audio that originates from directly behind the listener. Learn more about Dolby Digital Surround EX.

Motion Pictures
Dolby Digital Live

Dolby Digital Live 

Dolby Digital Live converts any audio signal in real time from PCs or game consoles into Dolby Digital for easy connection to home theater systems through a single digital cable. Users can enjoy PC or game audio entertainment with exciting realism through home theater receivers or other devices equipped with Dolby Digital decoding technology. Learn more about Dolby Digital Live.

PC, Games
Dolby Surround

Dolby Surround 

Dolby Surround technology encodes four channels of audio (Left/Center/Right/Mono Surround) onto just two audio tracks for media such as TV broadcasts and feature films on VHS. On systems containing Dolby Pro Logic® technology, the audio is reconstructed to its original four-channel surround sound. Learn more about Dolby Surround.

Home Entertainment, Motion Pictures
Dolby Analog

Dolby Analog (Dolby Stereo and Dolby Spectral Recording) 

The original Dolby analog multichannel film sound format revolutionized the moviegoing experience, and is still included today on nearly all 35 mm film prints. Learn more about Dolby Analog.

Motion Pictures
AAC (Advanced Audio Coding)

AAC (Advanced Audio Coding) 

AAC (Advanced Audio Coding) is a perceptual coding method used to compress digital audio files for efficient storage and transmission. Upon playback, the expanded files can provide sound quality nearly indistinguishable from the original sources. Learn more about AAC.

Home Entertainment, PC
MLP Lossless

MLP Lossless

MLP Lossless™ is the core technology of DVD-Audio, providing up to 5.1 full-bandwidth channels of pure, lossless audio playback that is bit-for-bit identical to studio masters. Learn more about MLP Lossless.

Home Entertainment, Automotive, PC

Audio Environment Control

Dolby Technology Found In
Dolby Volume

Dolby Volume 

Dolby Volume is a new audio processing technology that solves the problem of volume variations across both program content and program sources while simultaneously providing the same vibrant audio performance at all playback levels, loud or soft. Learn more about Dolby Volume.

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Entertainment

Digital Audio for Creation

Dolby Technology Found In
Dolby Digital Recording

Dolby Digital Recording

Dolby Digital Recording enables recording of high-quality Dolby Digital stereo soundtracks. Featured in DVD-Video players and PVRs, Dolby Digital Recording ensures audio fidelity while maximizing disc space for longer recording time. Learn more about Dolby Digital Recording.

Home
Entertainment,
PC
Dolby Digital Stereo Creator

Dolby Digital Stereo Creator 

Dolby Digital Stereo Creator allows consumers to record or author DVDs with high-quality Dolby Digital stereo soundtracks. It's featured in PC software, DVD camcorders, DVD-Video recorders, and PVRs equipped with advanced editing capabilities. Learn more about Dolby Digital Stereo Creator.

Home
Entertainment,
PC
Dolby Digital 5.1 Creator

Dolby Digital 5.1 Creator 

Dolby Digital 5.1 Creator technology allows users to record home movies with Dolby Digital surround sound. Anyone can record soundtracks with camcorders, capture 5.1-channel productions with DVD recorders, or author PC soundtracks. Dolby Digital 5.1 Creator maintains audio fidelity while preserving valuable disc space, enabling sharper picture quality or longer recording time. Learn more about Dolby Digital 5.1 Creator.

PC

Surround Sound Expansion

Dolby Pro Logic II

Dolby Pro Logic II 

Dolby Pro Logic II creates a captivating surround sound experience from any stereo (two-channel) movie, music, TV, or game audio source. Listeners will hear all the detail and subtleties of the original stereo content, with the added luxury of full, compelling surround sound that makes the entertainment experience feel as if it's happening all around the listener. Learn more about Dolby Pro Logic II.

Home Entertainment, Automotive, Games, PC
Dolby Pro Logic IIx

Dolby Pro Logic IIx 

Dolby Pro Logic IIx creates a vivid 7.1-channel surround sound experience from any stereo (two-channel), 5.1, or 6.1 movie, music, TV, or game audio source. Dolby Pro Logic IIx examines the signal and uses that information to expand audio into up to 7.1 channels of highly realistic, natural surround sound. Learn more about Dolby Pro Logic IIx.

Home Entertainment, Games, PC

Virtual Surround Sound

Dolby Technology Found In
Dolby Headphone

Dolby Headphone

Dolby Headphone creates a personal surround sound experience using any set of headphones. The playback of music, movies, and games results in sound that is more spacious, open, and dramatic, improving listening comfort and making listeners feel as if the action is happening all around them. Learn more about Dolby Headphone.

Home Entertainment, Automotive,
Games, PC
Dolby Virtual Speaker

Dolby Virtual Speaker

Dolby Virtual Speaker delivers a vibrant surround sound experience from any pair of stereo speakers, making it ideal for environments such as small living rooms, home offices, or bedrooms where multiple speakers are not practical. Learn more about Dolby Virtual Speaker.

Home Entertainment, Games, PC

PC Entertainment Experience

Dolby Technology Found In
Dolby Home Theater

Dolby Home Theater 

Dolby Home Theater® places listeners in the middle of the onscreen action for a cinema-style experience at home or on the go. Featuring powerful and advanced audio technologies, Dolby Home Theater allows listeners to enjoy music, movies, and games in vivid surround sound using two to eight speakers or any set of headphones. Learn more about Dolby Home Theater.

PC
Dolby Sound Room

Dolby Sound Room

Dolby Sound Room® brings together a suite of technologies designed to provide stunning personal surround sound from any pair of speakers or any set of headphones. Ideal for environments where using surround sound speakers is not practical, Dolby Sound Room lets you enjoy movies, music, and games with an enveloping listening experience. Learn more about Dolby Sound Room.

PC

Video

Dolby Technology Found In
Dolby Contrast

Dolby Contrast

Dolby Contrast technology dramatically improves the picture quality of LCD televisions. It employs LED backlighting together with proprietary technologies that locally dim backlight areas to match the brightness of the image. Dolby Contrast enables LCD televisions to display true blacks and more-lifelike dynamic contrast while using less power. Learn more about Dolby HDR Video.

Home Entertainment
Dolby Vision

Dolby Vision 

Dolby Vision technology takes Dolby Contrast a step further by reproducing the same instantaneous dynamic range of brightness that the eye can perceive—nearly five orders of magnitude. LCD TVs with Dolby Vision present uncompromised brightness and depth, revealing the fine details that the eye can see but normal TVs cannot reproduce. Learn more about Dolby HDR Video.

Home Entertainment
Dolby Digital Cinema

Dolby Digital Cinema 

Dolby Digital Cinema replaces traditional film prints with a digital bitstream, so that movies are reproduced more accurately than ever before. Dolby Digital Cinema offers premiere-like quality, show after show. Audiences experience vibrant colors, stunning detail, a sharp and rock-solid picture, and amazing surround sound. Learn more about Dolby Digital Cinema.

Motion Pictures
Dolby 3D Digital Cinema

Dolby 3D Digital Cinema 

Dolby 3D Digital Cinema is an extension of the established, proven Dolby Digital Cinema technology. Dolby 3D Digital Cinema delivers an impressive 3D experience that provides realistic color and a sharper, clearer image. In addition, the technology behind Dolby 3D offers audiences a great 3D experience from every seat in the house. Learn more about Dolby 3D Digital Cinema.

Motion Pictures