We are a globally recognized innovator of sound, image, and voice technologies for cinemas, home theaters, PCs, mobile devices, and games.
The Magic Inside Dolby
The Dolby Institute
The Dolby Theatre
Working at Dolby
Learn how we support up-and-coming filmmakers during the creative process.
Get an inside look at how our team of scientists and engineers creates the magic behind your entertainment experiences.
Dolby in the Cinema
Be captivated by your favorite movies in Dolby sound.
Dolby Surround 7.1
Dolby Atmos Cinema Sound
Dolby Atmos propels you into the story with powerful, all-around sound.
Find a Movie Theatre
See your favorite movies in Dolby Atmos, Dolby Surround 7.1, or Dolby 3D.
Dolby at Home
Transform your living room into a sophisticated home theater with amazing sound and true-to-life video quality.
The Evolution of Surround Sound
Dolby led the evolution of stereo sound into surround and beyond.
Dolby Vision captures the story with incredibly bright colors, ultra-dark blacks, and vivid hues.
Dolby on the Go
Stellar sound quality. All of your favorite content. Wherever life takes you.
Amazon and Dolby Are Changing Mobile
Learn how Dolby and Amazon are changing the way you enjoy mobile entertainment.
Rediscover the Magic of Life of Pi
Hear the difference Dolby audio makes when you watch Life of Pi on your mobile device.
Dolby at Work
Improve productivity by transforming the conference call into an in-person meeting experience with Dolby Voice and the Dolby Voice Conference Phone.
Dolby Voice Conference Phone
Feel like you're right there in the room with the stunning clarity of Dolby Voice.
We've reinvented the conference phone to deliver lifelike clarity and conversational ease.
Partners and Professionals
Find Dolby solutions, services, and support that can help you create more engaging products, content, and entertainment experiences.
PC and Mobile
Apply for a license to include Dolby technologies in your products.
Log in to the Dolby Customer portal to find partner tools, documents, and policies.
Find warranty and policy information for Dolby hardware and software.
Enjoy the best sound possible for movies, music, and TV shows with Dolby TrueHD lossless audio built into your home theater, music, movies, and other content. With Dolby TrueHD, you hear exactly what the artist intended—every detail with absolute accuracy.
Unlike most audio formats, Dolby® TrueHD is 100 percent lossless. This means that what you hear is bit-for-bit identical to the master recording.
With support for up to 7.1 channels of high-definition audio, Dolby TrueHD provides the most authentic surround sound experience available for your home theater.
Dolby TrueHD fully exploits the potential of Blu-ray™ by enabling the maximum audio fidelity possible on these discs and bringing you one step closer to the source.
Capable of delivering 16 channels of top-quality audio, Dolby TrueHD has room to expand as formats add new channels in the future.
Experience the full potential of Blu-ray audio in your living room.
A filmmaker can spend years working to make every detail of a movie perfect, and this includes the audio. Dolby TrueHD ensures that what you hear at home is completely accurate to the artist's vision—not an approximation or a recreation, but the full audio experience. Every detail of the original recording is preserved because Dolby TrueHD reproduces audio bit-for-bit identical to the studio master.
Dolby TrueHD accomplishes this using a suite of highly sophisticated compression technologies. These enable 100 percent lossless audio in files half the size of uncompressed pulse-code modulation (PCM). What this means for you is the best possible sound from Blu-ray Discs™ and streamed or downloaded sources.
Most movie and TV soundtracks are recorded at 48k. Unfortunately, the 48k recording process can introduce an unnatural harshness or edginess to the sound during the conversion from analog to digital. Dolby TrueHD corrects this problem by applying higher sample rates and increased playback quality through an advanced apodizing filter.
On Blu-ray, Dolby TrueHD supports up to eight full-range channels of 96 kHz/24-bit audio and six full-range channels of 192 kHz/24-bit audio. It also features advanced 96k upsampling to produce the highest-quality Blu-ray audio from material originally recorded at 48k.
The result: you experience entertainment as it was meant to be heard.
Dolby TrueHD makes it easier than ever for content creators and equipment manufacturers to deliver 100 percent lossless audio to the home theater.
Ensure that audiences experience every detail of your work, exactly the way you wanted, with Dolby TrueHD.
Enable the best audio quality possible from Blu-ray Disc and streamed or downloaded sources by including Dolby TrueHD in your products.
44.1 kHz to 192 kHz
Variable bit rate; CBR rendering for transport over HDMI®
Up to 24 bits
Up to eight channels of 24-bit/96 kHz audio; designed to be expandable should the Blu-ray Disc standard adopt additional channels
Up to 24-bit/192 kHz
Up to 18 Mbps on Blu-ray Disc
Log in to the Dolby Customer portal for help with your customer or partner account.
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Who We Are